122results about How to "Improve the efficiency of assembly and adjustment" patented technology

The invention proposes an installation and adjustment system and method for a multi-layer nested X-ray grazing incidence optical lens, and the system comprises a suspension subsystem, a measurement subsystem, a displacement subsystem, a pre-installation supporting device, an optical supporting platform, and a focal plane receiving screen. The method comprises seven steps: preparation, suspension, pre-installation, alignment, measurement, binding, and supporting structure installation. The system and method can greatly improve the installation and adjustment precision, speed and yield of the multi-layer nested X-ray grazing incidence optical lens, achieve no-stress installation and adjustment, improve the optical performance, are easy to implement, is high in universality, is high in installation and adjustment precision, and is high in installation and adjustment efficiency.

The invention belongs to the technical field of aerospace optical remote sensors, and relates to a focal plane adjustment method for an off-axis three-lens camera. The off-axis three-lens camera has strict requirements on focal adjustment, the infinite coplanar performance of each visual field of the focal plane of the camera needs to be guaranteed, the two ends of a CCD device in an focal plane assembly of the camera need to be guaranteed to be on the same horizontal plane, and the center of the CCD device of the camera and a satellite reference need to be guaranteed to be within the error range. Especially for an off-axis three-lens system, a certain inclination angle exists between the position of the imaging CCD device and the mounting plane of the focal plane, when adjustment is performed on the above assembling requirement, and results of the other two indexes also change correspondingly, so that the above requirement is more difficult to meet. The invention provides a method for directing focal plane adjustment through simulation estimation, and elaborates crucial techniques in the method, and the method is verified on the off-axis three-lens camera, so that the high-precision assembling requirement of the focal plane of the camera is met.

The invention discloses a method for adjusting reflectors through a decentration measuring instrument. An adjusting mechanism comprises reflector position adjusting blocks (1), the reflectors (2), reflector bases (3), optical flats (4), optical flat fixing seats (5), inner hexagon screws (6), the decentration measuring instrument (7) and an air flotation turntable (7a). The method comprises the main steps that the reflectors (2) are fixed in the reflector position adjusting blocks (1) in an adhesive dispensing mode; the relative position of the reflector position adjusting blocks (1) and the reflector bases (3) is adjusted and fixed through the inner hexagon screws (6); the optical flats (4) are arranged on the reflector bases (3); the reflector bases (3) are fixed on the decentration measuring instrument (7). The method mainly achieves the aim that in the process of adjusting high-precision folding type optical lenses, mounting of the reflectors and the actual optical centre positions of the lenses can be monitored and adjusted in real time, the adjusting efficiency of the high-precision folding type optical lenses is improved, adjusting cost is lowered, and the imaging quality of the lenses is guaranteed.

A secondary mirror supporting mechanism capable of quick adjusting belongs to the field of secondary mirror supporting mechanisms of electro-optic theodolites, and comprises a secondary mirror barrel, a plurality of first bolts, a secondary mirror seat, a plurality of second bolts, a plurality of secondary mirror pressing blocks, a plurality of third bolts, a plurality of sliding wedge blocks, a plurality of adjusting bolt seats, a plurality of fourth bolts, a plurality of adjusting bolts, a plurality of fixed wedge blocks, and a connecting cylinder, wherein the secondary mirror seat comprises a secondary mirror seat body, a secondary mirror seat boss, and a secondary mirror seat counter bore; the secondary mirror barrel comprises a secondary mirror barrel body, a secondary mirror barrel three-flanged flange, a three-flanged flange center hole, a secondary mirror barrel ring-shaped boss, and a secondary mirror barrel flange; each sliding wedge block comprises a sliding wedge block body, a sliding wedge block round hole, and a sliding wedge block slotted hole; each fixed wedge block comprises a fixed wedge block body and a fixed wedge block round hole; the connecting cylinder comprises a connecting cylinder body, a connecting cylinder flange, and a clamping groove. According to the invention, the optical precision adjusting process can be finished without detaching the secondary mirror repeatedly or repairing a secondary mirror adjusting cushion; the adjusting process of the secondary mirror is simple and accurate, and the adjusting efficiency can be adjusted greatly.

The invention belongs to the space optical technology field and especially relates to an adjustable reflecting-mirror Bipod flexible support structure, a support device and an assembling adjusting method. The adjustable reflecting-mirror Bipod flexible support structure comprises two flexible rods whose top portions are connected, and a bidirectional adjusting mechanism. The bidirectional adjusting mechanism comprises a fixing support and a bidirectional ball screw installed on the fixing support. Two ends of the bidirectional ball screw are provided with screw joints respectively. The bidirectional ball screw possesses two segments of screw threads whose screw pitches are the same and rotation directions are opposite. When the bidirectional ball screw is rotated, the two screw joints symmetrically move along the ball screw. Bottoms of the two flexible rods are hinged to the two screw joints respectively. The two flexible rods can rotate about a top portion connection point. The fixing support is provided with a servo motor used for driving the bidirectional ball screw to rotate and a potentiometer used for recording and feeding back a rotation direction and an angle of the bidirectional ball screw.

The invention relates to a system and a method for realizing high-precision orthogonality adjustment of an image surface of a star sensor. The problems of low efficiency and low adjustment precision of the adjustment mode of the star sensor in the prior art are solved. The system comprises an illumination light source, a target test target component, a large-view-field collimator, a star sensor and a control processing module. The target test target component comprises a one-dimensional translation platform and a target test target arranged on the one-dimensional translation platform; the target test target is at least provided with a central star point, an upper star point, a lower star point, a left star point and a right star point, wherein the central star point is arranged in the center of the target test target, and the upper star point, the lower star point, the left star point and the right star point are uniformly distributed on the circumference which takes the central star point as the center of a circle; the illumination light source, the target test target component, the large-view-field collimator and the star sensor are arranged in sequence; and the control processing module is respectively connected with the one-dimensional translation platform, an installation adjusting frame and the star sensor. Meanwhile, the invention also provides a method for realizing high-precision orthogonality adjustment of the image surface of the star sensor.

The method comprises: attaching the video signal cable of the video camera to the image collecting card that is installed in a computer; the video signals outputted from the video camera are inputted into the computer through the image collecting card; the computer reads the image data, and then calculates and displays the gray scale difference between two neighboring pixels and the distance between the optical crosshair and the center of the viewing field; according to the displayed data, adjusting the position of the video camera to let its target surface be on the image surface of the optical system and to let the optical crosshair overlap the center of the viewing field.

The invention discloses a light source device, a light source production method and a laser projection machine containing the light source device. The light source device comprises a first laser light source, an alignment component, a reflection component, a first light-gathering component, a dichroic component, a driving component, a wavelength conversion component, a third light-gathering component and a light reception component. According to the light source device, the light source production method and the laser projection machine containing the light source device, the problem that the light source is periodically changed in brightness can be effectively avoided, and the picture quality of the projection machine is greatly improved.

The invention discloses a device for assembling and regulating a lens of a projection objective of a lithography machine and relates to the technical field of manufacturing, assembly and regulation of the lens of the projection objective of a deep ultraviolet lithography machine. By the device, high-precision automatic assembly, detection and regulation of the lens of the lithography projection objective are realized. The device comprises a Z-axis stand column, an upper detection stand column, an upper detection head, a movable regulation platform, an air floatation rotary table, a horizontalmarble platform, a regulation mechanism, four vibration isolation supporting legs and a regulation platform connection bracket, wherein the Z-axis stand column, the upper detection stand column and the air floatation rotary table are vertically fixed on the horizontal marble platform respectively; the upper detection head is fixed on the upper detection stand column through an upper detection head frame; the regulation mechanism is fixed on the upper surface of the movable regulation platform; the movable regulation platform is fixed on the Z-axis stand column through the regulation platform connection bracket; and the horizontal marble platform is supported on a vibration isolation foundation through the four vibration isolation supporting legs. The device has high instantaneity and greatly improves the assembly and regulation efficiency of the lithography projection objective.

An adjustment method for primary and secondary reflectors of a Cassegrain optical system is disclosed. The invention belongs to the optical adjustment technology and particularly relates to the adjustment method for primary and secondary reflectors of the Cassegrain optical system. The method comprises the steps of adjusting the primary reflector, adjusting the secondary reflector, and adjusting the distance between the primary and secondary reflectors. According to the technology provided by the invention, on one hand, a process spherical surface is designed for the secondary reflector, and the centering adjustment of the secondary reflector is converted into the centering adjustment of a lens, so that the limitation of the working principle of a center deviation measuring instrument is avoided, and the technology is suitable for the high-precision adjustment of an aspheric reflector. On the other hand, the distance between the primary reflector and the secondary reflector is accurately measured by using the non-contact measurement function of the center deviation measurement instrument. The method is universally suitable for optical systems of visible light, infrared light and other wave bands, and the adjustment efficiency is high.

The invention discloses a device of measuring laser optical fiber transmission. The device comprises a diaphragm, a laser emitting unit provided with an optical fiber connector and a beam receiving screen used for receiving laser; the diaphragm is detachably located at the front end of a laser outlet of the laser emitting unit and is used for measuring an optical fiber core diameter; the beam receiving screen is provided with a round mark with the center thereof collinear with the axis of the optical fiber connector; and the radius of the round mark is a spot radius of emitted laser when the laser enters via an optical fiber critical angle. In the device of measuring the laser optical fiber transmission, the optical fiber core diameter is measured by the diaphragm, then the corresponding round mark is further obtained, and the optical fiber is irradiated by the laser. By comparing the image of the optical fiber connector at the beam receiving screen with the round mark, a transmissionmode of the laser in the optical fiber can be obtained rapidly, time taken for adjusting optical fiber coupling is simplified, and the optical fiber coupling adjustment efficiency is increased.

The invention relates to a hyper spectral imaging device and method based on birefringence polarization interferometry. The hyper spectral imaging device comprises a polarization beam splitter, a half-wave plate, a Wollaston prism, a pyramid reflector, an imaging objective and a detector. Incident light from a target produces interference on the detector, by means of a built-in interferometric scanning mode, the detector obtains the interferometric image information of the target, and finally spectrum information of the target is obtained through Fourier transform spectrum reconstruction. According to the invention, one Wollaston prism and the pyramid reflector are combined to form a transverse shearing beam splitter for the first time, the complex rate and the manufacture cost of a hyper spectral imager are reduced, and the system stability and the spectrum reconstruction precision are improved. The hyper spectral imaging device and method provide an effective technological approach for a hyper spectral imager which is low in complex rate and high in stability, and is light, small and multifunctional.

The invention relates to a dual-channel focal plane registering adjusting device and method, specially relates to the multi-channel focal plane camera inter-channel high precision registering and adjusting, and belongs to the space optical remote sensor technical field. The method solves the sub-channel focal plane camera inter-channel spectral band registering problem, thus possibly realizing remote sensing camera multi-spectral band detection in a multi-channel mode, and providing important meanings for application and development of resource exploration remote sensing cameras.

The invention discloses a long-wave infrared continuous-zooming online fast compensation installing and adjusting device and method. The compensation device comprises a reflecting infrared collimator (101), a reflector (102), a black body (103), a calibration target (104), a long-wave infrared continuous-zooming lens (105), an adjusting device (106), a detector (107), a control circuit (108) and a display (109), and the long-wave infrared continuous-zooming lens (105), the adjusting device (106) and the uncooled infrared detector (107) form a relatively independent subsystem. The device solves the problem of defocusing caused by zooming process of the infrared continuous-zooming lens, installing and adjusting efficiency of the high-accuracy continuous-zooming lens is improved, installing and adjusting cost is reduced, and damage risks of the lens caused by repeatedly disassembling and assembling in the assembly and calibration process are avoided.

The invention discloses a light source device, a light source generation method and a laser projector with the light source device. The light source device comprises first laser light sources, collimation parts, a reflection part, a first condensation part, a dichroic part, a drive part, a second condensation part, a wavelength conversion part, a third condensation part, a light receiving part and a reflection steering mirror group. According to the light source device, the light source generation method and the laser projector with the light source device, the problem of periodical brightness variation generated by a light source can be effectively solved, and the quality of a projected image can be greatly improved.

The invention relates to a self-adaptive lens applied to a coaxial reflection type optical system. The self-adaptive lens comprises a primary mirror, a secondary mirror, a secondary mirror support rodand a primary mirror support structure which are made of SIC materials. A prism is arranged on the primary mirror support structure. The self-adaptive lens also includes a secondary mirror support seat connected with the primary mirror support structure through the split type secondary mirror support rod. The secondary mirror support seat adopts a carbon fiber composite material with a linear expansion coefficient matching that of the SIC material. The lens has better thermal stability; a problem of thermal sensitivity of a reflective lens is thoroughly solved; and the athermalization designof the lens is realized. No weak link exists, the overall mechanical stability is very high, and the unit density is only 3.5 g/mm < 3 >; a TC4 or 4J32 flexible transition link appearing in the traditional reflection lens is omitted, the benchmark of the whole system is unified, accumulated errors are reduced, the allowable error amount of a single piece is increased, the complexity of installation and adjustment is reduced, the installation and adjustment efficiency is improved, namely, the production time is shortened, and the production cost is reduced.

The invention, which relates to the field of high-precision large-aperture multichannel optical system adjustment, discloses a large-aperture off-axis catadioptric multichannel optical system adjustment method. With a reverse adjustment method, a problem of large-aperture off-axis paraboloid main mirror surface type adjustment is solved without a compensator. Therefore, the adjustment and detection efficiency of the large-aperture off-axis catadioptric multi-channel optical system are improved and the cost is lowered. Adjustment and detection from an optical element to an optical system can berealized by establishing a primary reference; a large-aperture off-axis reflector can be adjusted and follow-up light paths can be adjusted in sequence. Optical index detection of the imaging qualityand the field of view of the detector can be carried out after adjustment completion in the whole system. reference transmission and additional detection tool design are not needed in the adjustmentand detection process, so that the optical adjustment efficiency is greatly improved; and the time cost and the economic cost in the system building process are reduced while the adjustment precisionis ensured.

The invention discloses an efficient target correcting lens axis consistency calibration device and method. The device includes a two-dimensional adjusting table, and a cylinder which is the inner circle and the outer circle of the target mirror correcting tolerance fit and a parallel light pipe is placed in front of the to-be-calibrated target correcting lens, the correction target mirror built CCD connected with one cross reticle generator, and the superimposed image is displayed through the liquid crystal display. The device solves the problem that the existing correction target mirror axiscalibrating process, difficult assembly and adjustment, the adjusting efficiency is low, and the like, the device directly through mouse adjusting electronic cross reticle position calibrating targetcorrecting lens mechanical axis and the optical axis (visual axis) consistency, assembly and adjustment is simple and efficiency is high.

The invention provides a laser particle analyzer centering and adjusting mechanism which comprises a laser, a collimation and beam expanding system, a sample circulation system, a Fourier transform lens and a scattering detector, wherein the laser is used for emitting laser beams; the collimation and beam expanding system is used for collimating the laser beams; the sample circulation system is used for bearing test samples; a hollow through hole is formed in a position, which corresponds to the position of a focus point of the Fourier transform lens, on the scattering detector; a single-pointdetector is arranged on one side, which deviates from the Fourier transform lens, of the scattering detector; the laser beams emitted by the laser pass through the collimation and beam expanding system and become parallel beams, and the parallel beams pass through the sample circulation system and the Fourier transform lens to be focused on a plane on which the scattering detector is located; when the test sample does not exist, the position of the scattering detector is adjusted, so that the parallel beams are focused by the Fourier transform lens and then pass through the hollow through hole; and the position of the single-point detector is adjusted, so that an output signal is maximum. The light path is aligned by utilizing the hollow through hole on the scattering detector and the single-point detector, so that the whole mechanism is centered. The invention further provides a laser particle analyzer centering and adjusting method.