43results about How to "Improve spectroscopic effect" patented technology

The invention relates to an optical organism culture device, which comprises one or more supports and a plurality of vectors, wherein the vectors are spaced, and can adsorb optical organism cells, nutrient liquid and optical organism culture liquid, and each vector is suspended from one support. The optical organism culture device has a good light splitting effect, specifically, optical organisms are cultivated on the vectors suspended on the supports, as a result, the defect that optical organisms at the lower part of a tank body receives deficient light when the optical organisms are cultivated in the tank body can be overcome, and the optical organisms located on the vectors receive sufficient light. In addition, the distance and angle of two or more vectors arranged at intervals are adjustable, mutual light shielding of the two or more vectors can be reduced, and further the optical organisms on the vectors receive sufficient light. In a word, the optical organism culture device provided by the invention has a better light splitting effect, and accordingly, the yield of the optical organisms can be improved. Moreover, the optical organism culture device is simple in structure and low in cost, and can be applied to large-scale cultivation, and as a result, the overall yield of the optical organisms is improved.

The invention relates to an online simultaneous monitoring sensor and an online simultaneous monitoring method for COD (Chemical Oxygen Demand) and nitrogen content of nitrate. The online simultaneous monitoring method is characterized by comprising the following steps: absorbing characteristics of ultraviolet light by using substances to be detected in water based on a Lambert-Beer principle and establishing a relation of absorbance and concentration of the substances to be detected; establishing a linear relation by using an absorbance value of a water sample at 254nm part and a chemical oxygen demand concentration value of the water sample; and establishing a linear relation between the absorbance value of the water sample at 210nm part and the nitrogen content of the nitrate. The monitoring method comprises two steps of calibrating the sensor and testing the water sample; and the measurement range on the chemical oxygen demand of the sensor provided by the invention is 0mg/L-50mg/L and the measurement range on the nitrogen of the nitrate is 0mg/L-7mg/L. The obvious superiority is displayed and the sensor can be directly put into water to measure so as to meet the detection requirements of a common water body.

The invention relates to a color-dividing prism set, which comprises a polarizing color-dividing prism and many prism areas. A pair of angle area of polarizing light-dividing prism has a polarizing light-dividing film, which is correspondent to first light-filter mirror and second light-filter mirror of specified color band on the adjacent boundary area. The first prism area and the second prism area are separately attached on first light-filter mirror and second light-filter mirror and then connect with polarizing light-dividing prism. The second prism area is a right angle prism with a third light-filter mirror on the bottom area; the third prism area is compounded with the second prism area through third light-filter mirror. The angle between the bevel of the right angle prism and the bottom area of the third light-filter mirror is no more than 30 deg.

The invention discloses a CMOS/MEMS compatible spectroscopic gas sensor which performs qualitative and quantitative analysis by using near-infrared transmission spectra of gases to be measured. The sensor consists of an infrared light source, a photon crystal dispersing prism, an infrared photoelectric detection array and the like, judges the type of gases by adopting the reference structure and analyzing the position of the characteristic line and determines concentration of gases by corresponding absorbance. The invention overcomes the deficiencies that the traditional MEMS gas sensor has complex processes and short service life, has the high sensitivity detectivity and can be manufactured compatible with CMOS processes. The CMOS/MEMS compatible spectroscopic gas sensor can be produced in large scale with reduced cost and analyze the gas concentration gradient through the integrated array.

An anastigmatic echelle grating spectrometer comprises a light collecting unit, a grating splitting unit, a signal processing unit and a display unit, wherein the grating splitting unit mainly comprises an incidence hole, a collimating mirror, an echelle reflection diffraction grating, a transmission diffraction grating and a tire surface reflector; the signal processing unit mainly comprises an area-array photoelectric detector, an A/D conversion circuit and a spectral signal processing subunit. The light collecting unit is arranged in front of the grating splitting unit, the incidence hole, the collimating mirror, the echelle reflection diffraction grating, the transmission diffraction grating, the tire surface reflector and the area-array photoelectric detector are sequentially arranged along an optical path behind the light collecting unit, the incidence hole is located in the optical path focal spot of the light collecting unit, an emergent optical axis of the light collecting unit, the incidence hole and the collimating mirror are coaxial, the reflecting surface of the collimating mirror faces the incidence hole and arranged aslant, the transmission diffraction grating is located behind the echelle reflection diffraction grating and in front of the tire surface reflector, and the signal processing unit is located behind.

The invention discloses a flow fluorescence collecting optical system. The flow fluorescence collecting optical system comprises a fluorescence collecting lens, a micro beam splitting lens, a plurality of achromatism collimating lenses, a plurality of multicolor lens light filter sets, a plurality of focusing lenses and a plurality of detectors, wherein the fluorescence collecting lens is used for amplifying fluorescence generated by exciting a sample by virtue of a plurality of different laser beams as a plurality of fluorescence image points with gaps which are formed between the fluorescence image points; the fluorescence image points formed by amplification of the fluorescence collecting lens irradiates the micro beam splitting lens; the micro beam splitting lens is used for splitting light and removing stray light of the plurality of fluorescence image points; all the beams of fluorescence image points split by the micro beam splitting lens are processed by achromatism by virtue of at least one achromatism collimating lens; all the beams of fluorescence image points processed by achromatism are filtered by the multicolor lens light filter sets; all the beams of fluorescence image points filtered by the multicolor lens light filter sets are focued to the detectors by virtue of the focusing lens. The flow fluorescence collecting optical system is relatively low in cost, compact in structure, easy to mount and debug and high in measurement accuracy.

The embodiments of the invention provide a spectroscopic device, a wavelength selective switch, and a spectroscopic method. The spectroscopic device comprises gratings and reflective element sets. Thefirst region of the grating is located on the path of the incident optical path, the second region of the grating is located on the path of the emergent optical path, and the reflective element setsare located on the path of the diffracted optical path. The diffracted optical path is an optical path where a plurality of diffracted spectral beams are located, which are formed by a composite beambeing diffracted by the grating after being incident through the incident optical path are located. Each of the reflective elements of the reflective element set maintains a predetermined angle with the grating such that the plurality of diffracted spectral beams are reflected by the reflective element set to the second region of the grating, and then emitted from the emergent optical path after being diffracted. The spectroscopic device re-reflects the diffracted spectral beams onto the grating through the reflective element set, thereby realizing the re-diffraction of the diffracted spectralbeams by the grating to increase the scattering angle between the spectral beams. The spectroscopic device can greatly improve the light splitting capability, and has a simple structure and manufacturing process and low cost.

The invention discloses a light splitting system for naked eye three-dimensional display. A high-frequency image source is adopted, a one-grade grating and a two-grade grating are sequentially arranged in front of a light path of the high-frequency image source, wherein the one-grade grating is a diffraction grating, the two-grade grating is a black-white grating, and finally a plurality of sub image sources distributed in a comb-shaped manner are formed in a space. The light splitting system provided by the invention has better light splitting effect, and is used for modulating emergent light of the high-frequency image source sequentially through the one-grade diffraction grating and the two-grate black and white grating, thus crosstalk in the optical error-based three-dimensional display can be greatly reduced.

The invention relates to the optical field and provides an LED light distribution lens. The LED light distribution lens comprises a transparent body, wherein the transparent body is provided with a first surface, a second surface, a light incoming surface and an inner reflection surface; the light incoming surface is ring-shaped or polygonal-ring-shaped and extends out of the outside of the light incoming surface along the backward direction to form the first surface; the light incoming surface is formed by angularly splicing a plurality of polygonal surfaces in the surrounding direction of the light incoming surface; the edge of the inner reflection surface is butted with the inner edge of the light incoming surface, is sunken inwardly and is formed by angularly splicing a plurality of polygonal surfaces; light incoming slots are formed in the light incoming surface. The lens is capable of reflecting the incoming light for a plurality of times and shooting the light at a plurality of angles, so that the light cannot be shot into the human eyes, the light source cannot be directly seen, and the light is natural; the light is repeatedly reflected to form various angles and is refracted out in various positions; the light splitting effect is excellent; the light is bright and colorful and is large in visual range.

A light guide plate consists of a light incoming surface, a light outgoing surface connected with light incoming surface and bottom surface being set in opposite to light outgoing surface. It is featured as arranging the first groove shaped microstructure the second groove shaped microstructure on light incoming surface and crossing two said microstructures with each other.

The invention belongs to the field of nano-photonics, in particular to a production method of a polymer nano optical waveguide coupling beam splitter, which comprises the following steps: 1) the tip end of a SiO2/metal rod (3) draws polymer nano optical waveguides (2) from polymer in the melting state or polymer solution (1) by using the drawing method; 2) the polymer nano optical waveguides (2) are parallelly arranged on a horizontal plane at equal intervals; and 3) an array of the parallel nano optical waveguides is rotated around a central horizontal shaft to form the polymer nano optical waveguide coupling beam splitter, the middle winding part thereof is a coupling region of optical signals, and a plurality of input and output branches are arranged on the both sides. The method of the invention has the advantages of simpleness, rapidness and low cost.

The invention provides a crystal lamp source which comprises a light guide post, a luminescence element and a linear condensation structure, wherein a ray emitted from the luminescence element enters the light guide post from the bottom surface of the light guide post; the linear condensation structure surrounds the side surface of the light guide post and reflects or refracts the ray emitted from the luminescence element to provide a fine line light source which surrounds the light guide post.

The embodiment of the invention discloses a display panel and a preparing method of optical film of the display panel. In the scheme, because a body of the optical film is provided with hole structures of through holes with identical tilting direction, and all the hole structures comprise at least two tilting directions, the direction of light of corresponding sub-pixels can be controlled by combining the tilting direction and the shape of the through holes and the refractive index of the body of the optical film, a good light split effect is achieved, and the problem that a big viewing angle is poor in impression is improved; meanwhile, if the display panel is subjected to dividing and display with regard with left and right eyes, a good naked eye 3D and double vision effect can be achieved; in addition, the optical film is simple in structure, and the corresponding technology is simple.

The invention discloses an optical splitter and a spectrograph using the optical splitter. The optical splitter comprises an optical filtering wheel and more than one optical filtering sheet arranged on the optical filtering wheel, wherein the optical filtering wheel realizes the optical splitting on incident light through more than one optical filtering sheet through rotation, so that the optical splitting on the single-channel or multi-channel optical splitter is realized; the optical splitting efficiency is high; the optical splitting performance of the spectrograph is effectively improved.

The optical prism film comprises a prism film body, the outer surface of the upper end of the prism film body is fixedly connected with a prism structure, first OCA glue is fixedly connected between the prism film body and the prism structure, the lower end of the prism film body is fixedly connected with a lower-layer protective film, and the lower-layer protective film is fixedly connected with the lower-layer protective film. A lower-layer protective film is fixedly connected between the prism film main body and the lower-layer protective film, an upper-layer protective film is fixedly connected to the upper end of the prism structure, a structure protective frame is arranged between the prism structure and the upper-layer protective film, and an adhesive mounting layer is fixedly connected to the lower end of the lower-layer protective film. According to the optical prism film for the small-size backlight module, the upper-layer protective film, the lower-layer protective film and the reinforcing base material are arranged, the film can be better protected conveniently, the use performance of the prism film is improved, the light transmittance and dispersity of the prism film can be improved, and the optical performance is more excellent.

The invention discloses a glue and a manufacturing method thereof, an optical element, a manufacturing method thereof and a display device. The method for making the glue includes: providing a prism forming material; providing an alignment material; mixing the prism forming material and the alignment material according to a preset mass ratio to form a preset glue; stirring the prism forming material and the alignment material in the preset glue evenly; Degas the pre-mixed pre-glue to form the glue. The technical solution provided by the present invention can form the alignment layer while forming the lenticular lens array with glue, without the need to coat the alignment film after the lenticular lens array is formed, thereby avoiding the accumulation of the alignment film material at the bottom of the three-dimensional structure of the lenticular lens array. The resulting uneven distribution of the alignment film in the three-dimensional structure of the lenticular lens array can improve the light-splitting effect of the view-separation element, thereby improving the display effect of the display device.

The invention discloses a straight-plugged LED decorative lamp structure (comprising a festival decorative lamp, a brightening decorative lamp, an indoor decorative lamp, a craftwork decorative lamp,an electrical appliance indication lamp and the like) and a manufacturing process thereof. The invention discloses a straight-plugged LED decorative lamp structure and a manufacturing process thereof.The manufacturing process of the straight-plugged LED decorative lamp structure comprises the following steps: step 1, material selection; step 2, housing preparation; step 3, conductive wire weldingassembly; and step 4, integral assembly. According to the straight-plugged LED decorative lamp structure and the manufacturing process thereof, a patch is arranged, a first pin and a second pin straight penetrate through a positive pole foot and a negative pole foot on the surface of the patch, the bottom end of the first pin is welded to a first connecting wire on the surface of a first connection wire, similarly, the bottom end of the second pin is welded to a second connecting wire on the surface of a second connection wire, then a lamp cap is connected to a light-emitting plate, then a housing prepared in the step 2 corresponds to the light-emitting plate, and then transparent silica gel is filled into the housing.