A precise dispersion grating spectrometer structure and quantum light sparse positioning device and method thereof

Abstract

The present application relates to quantum light sparse positioning technical field, specifically speaking, it is a kind of precision dispersion grating spectrometer structure and quantum light sparse positioning device and method thereof, including installation platform, the support mechanism is equipped on the installation platform, the normalization mechanism is equipped on the installation platform, the slit mechanism is equipped on the installation platform, the adjusting mechanism is equipped on the slit mechanism, the reflection mechanism and the detection mechanism are equipped on the installation platform;Slit mechanism is arranged on installation platform, adjusting mechanism is arranged on slit mechanism, through slit mechanism and adjusting mechanism, thereby the spacing between slit assembly, longitudinal intensity modulation optical element and reflecting element is adjusted conveniently and quickly, combined with light sparse peak value technology and nonlinear optical technology, the accuracy of the instrument is ensured and stability is realized, the accuracy is high and better than traditional dispersion type spectrometer two orders of magnitude, simultaneously, the adjustment precision of slit spacing can also be improved according to actual situation, so that operation is more convenient;The reflection mechanism is arranged on the installation platform, the reflection angle of reflecting assembly can be adjusted at any time according to actual situation through reflection mechanism, so that use is more convenient.

Description

TECHNICAL FIELD

[0001] The present application relates to quantum light sparse positioning technology field, specifically a kind of precision dispersion grating spectrometer structure and quantum light sparse positioning device and method thereof. BACKGROUND

[0002] Grating spectrometer structure refers to the capture of light information by spectrometer, development of photographic film, or computerized automatic display numerical instrument display and analysis, so as to measure what elements are contained in the article.Grating spectrometer structure is widely used in color measurement, concentration measurement of chemical composition or radiometric analysis, film thickness measurement, gas composition analysis and other fields.

[0003] However, the slit assembly in the traditional grating spectrometer structure is fixedly installed, and there is no normalizing optical element;Traditional spectrometer adopts pixel wavelength domain calibration auxiliary centroid positioning technology, so there is about ± (0.5-1) nm error in the wavelength calibration of traditional dispersion spectrometer according to polynomial fitting, and plane ruling reflective grating is used, which leads to poor accuracy of spectrometer transverse wavelength coordinate. SUMMARY

[0004] In view of the problems and shortcomings in the existing spectrum measurement technology, the present application provides a precision dispersion grating spectrometer structure and quantum light sparse positioning device and method thereof.

[0005] The technical scheme adopted by the present application to solve its technical problems is: a precision dispersion grating spectrometer structure and quantum light sparse positioning device, comprising a mounting table, a supporting mechanism is arranged on the mounting table, a normalizing mechanism is arranged on the mounting table, a slit mechanism is arranged on the mounting table, an adjusting mechanism is arranged on the slit mechanism, a reflecting mechanism and a detecting mechanism are arranged on the mounting table.

[0006] The slit mechanism comprises a slit main body, the slit main body is arranged on the mounting table, two sliding blocks are fixedly connected to the slit main body, the sliding blocks are slidingly connected to the inside of the mounting table, a pawl is fixedly connected to the sliding block, a rack is fixedly connected to the inside of the mounting table, the pawl is engaged with the rack, a second spring is wound on the sliding block, and the second spring is fixedly connected to the sliding block.

[0007] The adjusting mechanism comprises a shutter, the shutter is slidably connected inside the slit body, a knob is arranged on the slit body, a lead screw is fixedly connected to the knob, the lead screw is threadedly connected inside the shutter, a first gear is fixedly connected to the lead screw, a hand wheel is arranged on the slit body, the hand wheel extends into the slit body and is connected with a second gear, the second gear is slidably connected inside the slit body, a third spring is wound around the hand wheel, the third spring is fixedly connected to the hand wheel, the rack is provided with four, each tooth engages with two racks, and the diameter of the first gear is greater than that of the second gear.

[0008] Specifically, the supporting mechanism comprises a support rod, a plurality of support rods are fixedly connected to the installation table, and a base is fixedly connected to the support rod.

[0009] Specifically, the normalization mechanism comprises a mounting block, the mounting block is fixedly connected to the installation table, the adjustable light insertion module is clamped on the mounting block, the first spring is fixedly connected inside the adjustable light insertion module, the clamping block is fixedly connected to the first spring, the clamping block is clamped inside the mounting block, the first spring is provided with two, and the cross section of the clamping block is semicircular.

[0010] Specifically, the light reflecting mechanism comprises an adjusting seat, the adjusting seat is slidably connected to the installation table, the concave mirror body is fixedly connected to the adjusting seat, the rotating wheel is fixedly connected to the concave mirror body, the third gear is fixedly connected to the adjusting seat, the third gear is slidably connected inside the installation table, the fourth spring is wound around the adjusting seat, the fourth spring is fixedly connected to the adjusting seat, the limiting seat is fixedly connected to the installation table, the scale bar is arranged on the limiting seat, the pointer is fixedly connected to the adjusting seat, and the fourth spring abuts against the inside of the limiting seat.

[0011] Specifically, the detection mechanism comprises a binary optical reflection grating, the binary optical reflection grating is rotatably connected to the installation table, the filter plate is fixedly connected to the installation table, the cmos / ccd / photodiode detector body is arranged on the installation table, two mounting plates are fixedly connected to the cmos / ccd / photodiode detector body, the bolts are arranged on the mounting plates, a plurality of screw holes are arranged on the installation table, and the bolts are threadedly connected to the installation table through the screw holes.

[0012] A precise dispersion grating spectrometer structure and a positioning method of a quantum light sparse positioning device, comprising the following steps:

[0013] S1: first, the installation table is fixedly arranged at a desired position through the supporting mechanism;

[0014] S2: then through the slit mechanism, realize to the slit component same homogeneity mechanism and the interval between the reflection mechanism is adjusted, drive adjusting mechanism, complete to the slit mechanism in the slit interval adjustment;

[0015] S3: then through the reflection mechanism, adjust the reflection angle of the reflection component according to the actual situation;

[0016] S4: finally, the light passes through the normalization mechanism and the reflection mechanism, and finally enters the detection mechanism to analyze and detect the light.

[0017] The beneficial effects of the present application are:

[0018] (1) The precision dispersion grating spectrometer structure and quantum light sparse positioning device and method, when used, the slit mechanism is arranged on the mounting table, the slit mechanism is used to adjust the interval between the slit component, the intensity modulation optical element and the reflection element, so that the use is more convenient. That is, during operation, the user can manually hold the slit main body and press it down according to the actual situation, so that the slit main body generates a center-invariant opening and closing movement under pressure, thereby driving the sliding block to move, the sliding block drives the pawl to move, and the second spring is compressed at the same time. Until the pawl is disengaged from the engagement of the rack, then the slit main body can be pushed. After the slit main body is moved to the appropriate position, the pressing is released, so that the interval between the slit main body, the light intensity modulation optical element and the reflection element can be adjusted quickly and conveniently, and the light spectrum in the horizontal and vertical directions is effectively modulated in terms of accuracy.

[0019] (2) The precision dispersion grating spectrometer structure and quantum light sparse positioning device and method, when used, the adjusting mechanism is arranged on the slit mechanism, and the adjusting mechanism is used to improve the adjustment accuracy of the slit interval according to the actual situation, so that the operation is more convenient. That is, during operation, the user can rotate the knob according to the actual situation, the knob drives the screw to rotate, and the shutter moves in the slit main body with the rotation of the screw, so that the slit interval is adjusted. Further, when the adjustment accuracy of the slit interval is high, the user can hold the hand wheel and press it, the hand wheel drives the second gear to move, and the third spring is compressed at the same time. Until the second gear is engaged with the first gear, at this time, the hand wheel can be rotated, the hand wheel drives the second gear to rotate, the second gear drives the first gear, and then drives the screw to rotate, so that the shutter is adjusted. Since the diameter of the second gear is smaller than the diameter of the first gear, the angular velocity of the first gear when rotating is smaller than that of the second gear, so that the adjustment accuracy of the slit interval can be improved according to the actual situation, and the operation is more convenient.

[0020] (3) The precision dispersion grating spectrometer structure and quantum light sparse positioning device and method thereof, when in use, the light reflecting mechanism is arranged on the placement table, and the reflection angle of the reflection assembly can be adjusted at any time according to the actual situation through the light reflecting mechanism, so that the use is more convenient. That is, when operating, the user can hold and press the rotating wheel according to actual needs, so that the rotating wheel moves to drive the concave mirror body to move, and then drives the adjusting seat and the third gear to move together, and the fourth spring is compressed at the same time, until the third gear is completely separated from the restraint of the corresponding tooth groove in the placement table. At this time, the rotating wheel can be rotated, and the rotating wheel rotates to drive the concave mirror body to rotate. According to the pointer on the adjusting seat, the scale bar on the limiting seat is matched, so that the rotation angle of the concave mirror body is conveniently adjusted, so that the reflection angle of the concave mirror body can be adjusted at any time according to the actual situation, and the use is more convenient.

[0021] (4) The precision dispersion grating spectrometer structure and quantum light sparse positioning device and method thereof, when in use, the light reflecting mechanism is arranged on the placement table, and the reflection angle of the reflection assembly can be adjusted at any time according to the actual situation through the light reflecting mechanism, so that the use is more convenient. That is, when operating, the user can hold and press the rotating wheel according to actual needs, so that the rotating wheel moves to drive the concave mirror body to move, and then drives the adjusting seat and the third gear to move together, and the fourth spring is compressed at the same time, until the third gear is completely separated from the restraint of the corresponding tooth groove in the placement table. At this time, the rotating wheel can be rotated, and the rotating wheel rotates to drive the concave mirror body to rotate. According to the pointer on the adjusting seat, the scale bar on the limiting seat is matched, so that the rotation angle of the concave mirror body is conveniently adjusted, so that the reflection angle of the concave mirror body can be adjusted at any time according to the actual situation, and the use is more convenient.

[0022] (5) The precision dispersion grating spectrometer structure and quantum light sparse positioning device and method thereof, for the first time, the characteristic peak technology is introduced into the spectrum position calibration, and then the hardware layout technology is matched, the light sparse technology and the nonlinear optical technology are combined, the wavelength accuracy is promoted to the picometer level, the precision and quantity of the dispersion spectrometer are greatly improved, the intensity quantitative structure is inserted into the extreme, on the basis of ensuring the precision and accuracy of the instrument, the dispersion spectrometer can work in special modes such as irradiance and ordinary modes, and mode switching is easily realized. The structure is combined with the self-owned technology, the picometer level spectral precision of the dispersion spectrometer can be realized, meanwhile, the number of pixels of the detector required by the technology is not high, the existing linear array surface array detector is suitable, and the wavelength accuracy is not affected. BRIEF DESCRIPTION OF DRAWINGS

[0023] The present invention will be further described below with reference to the accompanying drawings and examples.

[0024] Figure 1 A schematic diagram of the overall structure of a preferred embodiment of a precision dispersion grating spectrometer structure and a quantum light sparse positioning device provided by the present invention;

[0025] Figure 2 It is a structural schematic diagram of the normalization mechanism of the present invention;

[0026] Figure 3 It is a schematic diagram of the connection structure of the placement platform, the slit mechanism and the adjustment mechanism of the present invention;

[0027] Figure 4 Schematic diagram of the connection structure between the placement platform and the reflective mechanism of the present invention;

[0028] Figure 5 for Figure 1 An enlarged schematic diagram of the structure of section A is shown;

[0029] Figure 6 for Figure 1 An enlarged schematic diagram of the structure of part B is shown;

[0030] Figure 7 for Figure 3 The enlarged schematic diagram of the C-section structure is shown;

[0031] Figure 8 for Figure 4 The enlarged schematic diagram of the D part structure is shown.

[0032] In the figure: 1. mounting platform; 2. supporting mechanism; 201. support rod; 202. base; 3. unifying mechanism; 301. dimmable plug-in module; 302. mounting block; 303. first spring; 304. clamping block; 4. slit mechanism; 401. slit body; 402. slider; 403. clamping teeth; 404. second spring; 405. rack; 5. adjusting mechanism; 501. mask; 502. knob; 503. screw rod; 504. first gear; 505. handwheel; 506. 6. Second gear; 507. Third spring; 6. Reflective mechanism; 601. Concave reflector body; 602. Rotating wheel; 603. Adjustment seat; 604. Fourth spring; 605. Third gear; 606. Limit seat; 607. Scale bar; 608. Pointer; 7. Detection mechanism; 701. Binary optical reflective grating; 702. Filter; 703. CMOS / CCD / photodiode detector body; 704. Mounting plate; 705. Screw hole; 706. Bolt. DETAILED DESCRIPTION

[0033] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the present application is further described below in conjunction with specific embodiments.

[0034] As shown in Figures 1-8 The structure of the precision dispersion grating spectrometer and the quantum light sparse positioning device comprises a placement table 1, a supporting mechanism 2 is arranged on the placement table 1, a normalization mechanism 3 is arranged on the placement table 1, a slit mechanism 4 is arranged on the placement table 1, an adjusting mechanism 5 is arranged on the slit mechanism 4, a reflecting mechanism 6 and a detecting mechanism 7 are arranged on the placement table 1;

[0035] The slit mechanism 4 comprises a slit main body 401, the slit main body 401 is arranged on the placement table 1, two sliding blocks 402 are fixedly connected to the slit main body 401, the sliding blocks 402 are slidingly connected to the inside of the placement table 1, clamping teeth 403 are fixedly connected to the sliding blocks 402, a rack 405 is fixedly connected to the inside of the placement table 1, the clamping teeth 403 are engaged with the rack 405, and a second spring 404 is wound around the sliding blocks 402 and fixedly connected to the sliding blocks 402;

[0036] The adjusting mechanism 5 comprises a shutter 501, the shutter 501 is slidably connected inside the slit body 401, the slit body 401 is provided with a knob 502, the knob 502 is fixedly connected with a lead screw 503, the lead screw 503 is threadedly connected inside the shutter 501, the lead screw 503 is fixedly connected with a first gear 504, the slit body 401 is provided with a hand wheel 505, the hand wheel 505 extends to the inside of the slit body 401 and is connected with a second gear 506, the second gear 506 is slidably connected inside the slit body 401, the hand wheel 505 is wound with a third spring 507, the third spring 507 is fixedly connected to the hand wheel 505, the rack 405 is provided with four, each of the pawls 403 is engaged with two racks 405, the diameter of the first gear 504 is greater than the diameter of the second gear 506; When in use, the slit mechanism 4 is arranged on the mounting table 1, and the adjusting mechanism 5 is arranged on the slit mechanism 4, and the slit mechanism 4 and the adjusting mechanism 5 are used to conveniently and quickly adjust the distance between the slit assembly and the optical element and the reflecting element, and the adjustment accuracy of the slit distance can be improved according to the actual situation, so that the operation is more convenient; That is, when operating, the user can manually hold the slit body 401 and press it down according to the actual situation, so that the slit body 401 is pressed to move, thereby driving the slider 402 to move, the slider 402 moves to drive the pawl 403 to move, and the second spring 404 is compressed at the same time, until the pawl 403 is disengaged from the engagement of the rack 405, then the slit body 401 can be pushed, and after the slit body 401 is moved to the appropriate position, the pressing is released, so that the distance between the slit body 401 and the optical element and the reflecting element can be conveniently and quickly adjusted; In addition, the user can rotate the knob 502, the knob 502 rotates to drive the lead screw 503 to rotate, and the lead screw 503 rotates to drive the shutter 501 to move inside the slit body 401, so as to adjust the slit distance, and when the adjustment accuracy of the slit distance is high, the user can hold the hand wheel 505 and press it, the hand wheel 505 moves to drive the second gear 506 to move, the third spring 507 is compressed at the same time, until the second gear 506 is engaged with the first gear 504, at this time, the hand wheel 505 can be rotated, the hand wheel 505 rotates to drive the second gear 506 to rotate, the second gear 506 rotates to drive the first gear 504, thereby driving the lead screw 503 to rotate, and the shutter 501 is adjusted, since the diameter of the second gear 506 is smaller than the diameter of the first gear 504, the angular velocity of the first gear 504 when rotating is smaller than that of the second gear 506, so that the adjustment accuracy of the slit distance can be improved according to the actual situation, and the operation is more convenient.

[0037] Specifically, the support mechanism 2 comprises a support rod 201, a plurality of support rods 201 are fixedly connected on the placement table 1, and a base 202 is fixedly connected on the support rod 201; in use, the support rod 201 and the base 202 facilitate the fixed placement of the entire placement table 1.

[0038] Specifically, the normalization mechanism 3 comprises a mounting block 302, the mounting block 302 is fixedly connected on the placement table 1, the adjustable light insertion module 301 is clamped on the mounting block 302, the first spring 303 is fixedly connected in the adjustable light insertion module 301, the clamping block 304 is fixedly connected on the first spring 303, the clamping block 304 is clamped in the mounting block 302, the first spring 303 is provided with two, and the section of the clamping block 304 is semicircular; in use, the user can hold the adjustable light insertion module 301 and insert it into the mounting block 302 on the placement table 1, when the adjustable light insertion module 301 enters the mounting block 302, the clamping block 304 is retracted into the adjustable light insertion module 301 under the action of the first spring 303, until it moves to the corresponding position in the mounting block 302, under the action of the first spring 303, the clamping block 304 will be automatically clamped into the corresponding clamping groove, completing the installation of the adjustable light insertion module 301, so that the adjustable light insertion module is used for longitudinal differential module, assisting the spectrometer to realize longitudinal calibration of different wavelength intensity.

[0039] Specific, the light reflecting mechanism 6 includes adjusting seat 603, the installation platform 1 is slidably connected with adjusting seat 603, the concave mirror main body 601 is fixedly connected on adjusting seat 603, the rotating wheel 602 is fixedly connected on the concave mirror main body 601, the third gear 605 is fixedly connected on adjusting seat 603, the third gear 605 is slidably connected in the installation platform 1, the fourth spring 604 is wound on adjusting seat 603, the fourth spring 604 is fixedly connected on adjusting seat 603, the limiting seat 606 is fixedly connected on the installation platform 1, the scale bar 607 is equipped on the limiting seat 606, the pointer 608 is fixedly connected on adjusting seat 603, the fourth spring 604 is abutted in the limiting seat 606; When using, the light reflecting mechanism 6 is arranged on the installation platform 1, the light reflecting mechanism 6 is used, so that the reflection angle of the reflection assembly can be adjusted at any time according to actual conditions, and use is more convenient;That is: when operating, according to actual needs, the user can hold the rotating wheel 602 and press, the rotating wheel 602 moves to drive the concave mirror main body 601 to move, and then drives the adjusting seat 603 and the third gear 605 to move together, the fourth spring 604 is compressed at the same time, until the third gear 605 is completely separated from the restraint of the corresponding tooth groove in the installation platform 1, at this time, the rotating wheel 602 can be rotated, the rotating wheel 602 rotates to drive the concave mirror main body 601 to rotate, and according to the pointer 608 on the adjusting seat 603, the scale bar 607 on the limiting seat 606 is matched, so that the rotation angle of the concave mirror main body 601 is conveniently regulated, so that the reflection angle of the concave mirror main body 601 can be adjusted at any time according to actual conditions, and use is more convenient.

[0040] Specifically, the detection mechanism 7 includes a binary optical reflection grating 701, the binary optical reflection grating 701 is rotatably connected to the installation table 1, a filter 702 is fixedly connected to the installation table 1, a cmos / ccd / photodiode detector body 703 is arranged on the installation table 1, two mounting plates 704 are fixedly connected to the cmos / ccd / photodiode detector body 703, bolts 706 are arranged on the mounting plates 704, a plurality of screw holes 705 are arranged on the installation table 1, and the bolts 706 are threadedly connected to the installation table 1 through the screw holes 705; in use, the binary optical reflection grating 701 is adjusted in rotation in advance, and the cmos / ccd / photodiode detector body 703 and the mounting plates 704 thereon are mounted on the required appropriate positions of the installation table 1 through cooperation of the bolts 706 and the corresponding screw holes 705; after the concave mirror body 601 reflects light, the light enters the binary optical reflection grating 701, then passes through the filter 702, and then enters the cmos / ccd / photodiode detector body 703, the light is analyzed and detected through the cmos / ccd / photodiode detector body 703, so that a total reflection grating is used for spectral dispersion, grating characteristics and dispersion element characteristics are used for in-depth analysis, and two points are abstracted for protection and utilization; meanwhile, aspherical optical elements are used to adjust geometric light to compensate for the wavelength of light entering the detector, so as to eliminate errors caused by spatial distribution non-linear parts, and make the spatial distribution of different wavelengths linearly distributed.

[0041] A precise dispersion grating spectrometer structure and a positioning method of a quantum light sparse positioning device, comprising the following steps:

[0042] S1: first, the installation table 1 is fixed and arranged at a required appropriate position through the support mechanism 2;

[0043] S2: then, the distance between the slit assembly and the light reflection mechanism 6 is adjusted through the slit mechanism 4, and the slit mechanism 4 is adjusted through the driving adjustment mechanism 5;

[0044] S3: then, the reflection angle of the reflection assembly is adjusted through the light reflection mechanism 6 in combination with the actual situation;

[0045] S4: finally, the light is finally detected into the detection mechanism 7 after passing through the normalization mechanism 3 and the light reflection mechanism 4, and the light is analyzed and detected.

[0046] The application is used, first, the device introduces the dispersion module based on the principle of grating diffraction to assist in realizing wavelength dispersion and dynamic logic difference element to realize the precision of the transverse wavelength coordinate of the spectrometer, which is more than two orders of magnitude higher than the traditional precision; through the support rod 201 and the base 202, the whole installation table 1 is fixed and installed; when operating, the user can hold the adjustable light insertion module 301 and insert it into the mounting block 302 on the installation table 1, when the adjustable light insertion module 301 enters the inside of the mounting block 302, the clamping block 304 is retracted into the inside of the adjustable light insertion module 301 under the action of the first spring 303, until it moves to the corresponding part in the inside of the mounting block 302, under the action of the first spring 303, the clamping block 304 will be automatically clamped into the corresponding clamping groove, completing the installation of the adjustable light insertion module 301, that is, using the adjustable light insertion module to realize the longitudinal calibration of different wavelength intensity of the longitudinal difference module assisted spectrometer; according to the actual situation, the user can manually hold the slit main body 401 and press it down, so that the slit main body 401 is moved under pressure, and the sliding block 402 is also moved, the second spring 404 is compressed at the same time, until the clamping tooth 403 is separated from the clamping constraint of the rack 405, then the slit main body 401 can be pushed, after the slit main body 401 is moved to the appropriate position, the pressing is released, so that the distance between the slit main body 401 and the same optical element and the reflecting element is adjusted conveniently and quickly; in addition, the user can rotate the knob 502, which drives the lead screw 503 to rotate, and the lead screw 503 is driven to move in the slit main body 401, and the slit spacing is adjusted, further, when the adjustment precision of the slit spacing is high, the user can hold the hand wheel 505 and press it, which drives the second gear 506 to move, and the third spring 507 is compressed at the same time, until the second gear 506 is engaged with the first gear 504, at this time, the hand wheel 505 can be rotated, which drives the second gear 506 to rotate, and the second gear 506 drives the first gear 504, and then drives the lead screw 503 to rotate, and adjusts the diaphragm 501, since the diameter of the second gear 506 is smaller than that of the first gear 504, the angular velocity of the first gear 504 is smaller than that of the second gear 506, so that the adjustment precision of the slit spacing can be improved according to the actual situation, and the operation is more convenient; further, the binary optical reflection grating 701 can be adjusted in advance, and the cmos / ccd / photodiode detector main body 703 and the mounting plate 704 thereon are installed on the required appropriate part of the installation table 1 through the cooperation of the bolts 706 and the corresponding screw holes 705;After the concave mirror body 601 reflects the light, the light enters the binary optical reflection grating 701, then passes through the filter 702, and then enters the cmos / ccd / photodiode detector body 703. The cmos / ccd / photodiode detector body 703 analyzes and detects the light, uses the total reflection grating for spectral dispersion, uses the grating characteristics and dispersion element characteristics for in-depth analysis, and abstracts two points for protection and use. At the same time, the aspheric optical element is used to adjust the geometric light to compensate for the wavelength of the light entering the detector, so as to eliminate the error caused by the spatial distribution of the nonlinear part, so that the spatial distribution of different wavelengths is linearly distributed. In addition, according to actual needs, the user can hold the rotating wheel 602 and press it, so that the rotating wheel 602 moves to drive the concave mirror body 601 to move, and then drives the adjusting seat 603 and the third gear 605 to move together. The fourth spring 604 is compressed at the same time, until the third gear 605 is completely separated from the restraint of the corresponding tooth groove in the installation table 1. At this time, the rotating wheel 602 can be rotated, and the rotating wheel 602 is rotated to drive the concave mirror body 601 to rotate. According to the pointer 608 on the adjusting seat 603, cooperate with the scale bar 607 on the limiting seat 606, so as to conveniently adjust the rotating angle of the concave mirror body 601, so as to conveniently adjust the reflecting angle of the concave mirror body 601 according to the actual situation. The above, the device uses binary optical design structure supplemented by nonlinear optical elements combined with nonlinear optical quantum sparse positioning algorithm to realize the wavelength positioning accuracy of picometer level or even higher. The incident wavelength and the physical space position are precisely transformed, so that the error range is improved by at least two orders of magnitude.

[0047] It will be obvious to a person skilled in the art that, without departing from the spirit or essential characteristics of the application, the present application can be implemented in other specific forms. The present application is therefore not limited to the examples described herein, which are given by way of non-restrictive example only, and all changes coming within the meaning and equivalences of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

[0048] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A precision dispersion grating spectrometer structure and quantum light sparse positioning device, characterized in that: The device comprises a placement platform (1), wherein the placement platform (1) is provided with a support mechanism (2), the placement platform (1) is provided with a normalization mechanism (3), the placement platform (1) is provided with a slit mechanism (4), the slit mechanism (4) is provided with an adjustment mechanism (5), and the placement platform (1) is provided with a reflective mechanism (6) and a detection mechanism (7); The slit mechanism (4) comprises a slit body (401), the slit body (401) is provided on the placement platform (1), two sliders (402) are fixedly connected to the slit body (401), the sliders (402) are slidably connected to the interior of the placement platform (1), the sliders (402) are fixedly connected with latch teeth (403), the interior of the placement platform (1) is fixedly connected with a rack (405), the latch teeth (403) are engaged with the rack (405), a second spring (404) is wound around the slider (402), and the second spring (404) is fixedly connected to the slider (402); The adjustment mechanism (5) comprises a shielding piece (501), the shielding piece (501) is slidably connected to the interior of the slit body (401), a knob (502) is provided on the slit body (401), a screw rod (503) is fixedly connected to the knob (502), the screw rod (503) is threadedly connected to the interior of the shielding piece (501), a first gear (504) is fixedly connected to the screw rod (503), a hand wheel (505) is provided on the slit body (401), the hand wheel (505) extends to the interior of the slit body (401) and is connected to a second gear (506), the second gear (506) is slidably connected to the interior of the slit body (401), a third spring (507) is wound around the hand wheel (505), and the third spring (507) is fixedly connected to the hand wheel (505).

2. The precision dispersion grating spectrometer structure and quantum light sparse positioning device according to claim 1, characterized in that: There are four racks (405), each of the latch teeth (403) is respectively engaged with two racks (405), and the diameter of the first gear (504) is greater than the diameter of the second gear (506).

3. The precision dispersion grating spectrometer structure and quantum light sparse positioning device according to claim 1, characterized in that: The support mechanism (2) comprises a support rod (201), a plurality of support rods (201) are fixedly connected to the placement platform (1), and a base (202) is fixedly connected to the support rod (201).

4. The precision dispersion grating spectrometer structure and quantum light sparse positioning device according to claim 1, characterized in that: The unification mechanism (3) comprises a mounting block (302), the mounting platform (1) is fixedly connected to the mounting block (302), the mounting block (302) is engaged with an adjustable light insertion module (301), the adjustable light insertion module (301) is internally fixedly connected to a first spring (303), the first spring (303) is fixedly connected to a clamping block (304), and the clamping block (304) is engaged with the interior of the mounting block (302).

5. The precision dispersion grating spectrometer structure and quantum light sparse positioning device according to claim 4, characterized in that: Two first springs (303) are provided, and the cross section of the clamping block (304) is semicircular.

6. The precision dispersion grating spectrometer structure and quantum light sparse positioning device according to claim 1, characterized in that: The reflective mechanism (6) comprises an adjustment seat (603), the adjustment seat (603) is slidably connected to the placement platform (1), a concave reflector body (601) is fixedly connected to the adjustment seat (603), a rotating wheel (602) is fixedly connected to the concave reflector body (601), a third gear (605) is fixedly connected to the adjustment seat (603), the third gear (605) is slidably connected to the interior of the placement platform (1), a fourth spring (604) is wound around the adjustment seat (603), and the fourth spring (604) is fixedly connected to the adjustment seat (603).

7. The precision dispersion grating spectrometer structure and quantum light sparse positioning device according to claim 6, characterized in that: A limit seat (606) is fixedly connected to the placement platform (1), a scale bar (607) is provided on the limit seat (606), a pointer (608) is fixedly connected to the adjustment seat (603), and the fourth spring (604) abuts against the inside of the limit seat (606).

8. The precision dispersion grating spectrometer structure and quantum light sparse positioning device according to claim 1, characterized in that: The detection mechanism (7) comprises a binary optical reflective grating (701), the binary optical reflective grating (701) is rotatably connected to the placement platform (1), and a filter (702) is fixedly connected to the placement platform (1).

9. The precision dispersion grating spectrometer structure and quantum light sparse positioning device according to claim 8, characterized in that: The placement platform (1) is provided with a CMOS / CCD / photodiode detector body (703), two mounting plates (704) are fixedly connected to the CMOS / CCD / photodiode detector body (703), the mounting plates (704) are provided with bolts (706), the placement platform (1) is provided with a plurality of screw holes (705), and the bolts (706) are threadedly connected to the placement platform (1) through the screw holes (705).

10. A precision dispersion grating spectrometer structure and a positioning method for a quantum light sparse positioning device, characterized in that: The method is realized by a precision dispersion grating spectrometer structure and a quantum light sparse positioning device according to any one of claims 1 to 9, specifically The following steps are involved: S1: First, the placement platform (1) is fixedly placed at a desired suitable position through the support mechanism (2); S2: Then, the distance between the slit assembly, the unifying mechanism (3) and the reflective mechanism (6) is adjusted through the slit mechanism (4), and the adjustment mechanism (5) is driven at the same time to complete the adjustment of the slit distance in the slit mechanism (4); S3: Then, the reflection angle of the reflection component is adjusted by the reflection mechanism (6) in combination with the actual situation; S4: Finally, a practical operation is performed, whereby the light passes through the intensity adjustment mechanism (3) and the reflective mechanism (4), and finally enters the detection mechanism (7) to analyze and detect the light.

Images