CN112859282A - Optical system double-optical-wedge device and zero position adjusting method thereof - Google Patents

Optical system double-optical-wedge device and zero position adjusting method thereof Download PDF

Info

Publication number
CN112859282A
CN112859282A CN202110220771.1A CN202110220771A CN112859282A CN 112859282 A CN112859282 A CN 112859282A CN 202110220771 A CN202110220771 A CN 202110220771A CN 112859282 A CN112859282 A CN 112859282A
Authority
CN
China
Prior art keywords
lens
optical
wedge
optical wedge
base
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202110220771.1A
Other languages
Chinese (zh)
Other versions
CN112859282B (en
Inventor
吴昊
印剑飞
仇荣生
张巍巍
周华伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Aerospace Control Technology Institute
Original Assignee
Shanghai Aerospace Control Technology Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Aerospace Control Technology Institute filed Critical Shanghai Aerospace Control Technology Institute
Priority to CN202110220771.1A priority Critical patent/CN112859282B/en
Publication of CN112859282A publication Critical patent/CN112859282A/en
Application granted granted Critical
Publication of CN112859282B publication Critical patent/CN112859282B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/18Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
    • G02B7/1805Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for prisms
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/0875Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more refracting elements
    • G02B26/0883Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more refracting elements the refracting element being a prism
    • G02B26/0891Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more refracting elements the refracting element being a prism forming an optical wedge
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10Scanning systems
    • G02B26/108Scanning systems having one or more prisms as scanning elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Mounting And Adjusting Of Optical Elements (AREA)

Abstract

The invention relates to a double-optical-wedge device of an optical system and a zero position adjusting method thereof, wherein the device comprises a first optical-wedge component and a second optical-wedge component, which comprise 4 optical-wedge lenses, after the 4 optical-wedge lenses are installed, two close mirror surfaces of the first optical-wedge lens and the second optical-wedge lens form a certain included angle with an optical axis, and two far mirror surfaces are vertical to the optical axis; two close mirror surfaces of the third optical wedge lens and the fourth optical wedge lens form a certain included angle with the optical axis, and two far mirror surfaces are vertical to the optical axis; two mirror surfaces of the second optical wedge lens and the third optical wedge lens which are close to each other are vertical to the optical axis, and a certain gap is kept between the two mirror surfaces; the main sections of the first optical wedge lens, the second optical wedge lens, the third optical wedge lens and the fourth optical wedge lens are overlapped. After the zero adjustment of the double-optical-wedge device of the optical system, larger field coverage under the determined optical caliber can be realized.

Description

Optical system double-optical-wedge device and zero position adjusting method thereof
Technical Field
The invention relates to an optical system double-optical-wedge device and a zero-position adjusting method thereof, belonging to the technical field of optical machine adjusting.
Background
The optical wedge is an optical component used for changing the direction of emergent rays in an infrared imaging optical system, and the position of an optical axis is changed by rotating the double optical wedges and controlling the relative angle of the two optical wedges, so that the object space view field can be rapidly scanned in a large range.
The existing optical wedge optics generally only have two optical wedge lenses. Under the condition that the optical clear aperture of an optical system consisting of two optical wedge lenses has requirements, the angle range of optical field scanning is limited by the aperture, and the requirement of large field scanning cannot be met.
Disclosure of Invention
The technical problem solved by the invention is as follows: the defects of the prior art are overcome, and the optical system double-optical-wedge device and the zero position adjusting method thereof are provided.
The technical scheme for solving the technical problem is as follows: an optical system dual wedge device comprising a first wedge assembly and a second wedge assembly;
the first optical wedge component comprises a first optical wedge lens, a second optical wedge lens, a first lens base and a second lens base; the first optical wedge lens is fixedly arranged on the first lens base, the second wedge lens is fixedly arranged on the second lens base, and the first lens base and the second lens base are combined and arranged together; after the optical wedge device is installed, two mirror surfaces close to the first optical wedge lens and the second optical wedge lens form a certain included angle with an optical axis, and two mirror surfaces far away from the first optical wedge lens and the second optical wedge lens are perpendicular to the optical axis;
the second optical wedge component comprises a third optical wedge lens, a fourth optical wedge lens, a third lens base and a fourth lens base; the third optical wedge lens is fixedly arranged on the third lens base, and the fourth wedge lens is fixedly arranged on the fourth lens base; the third lens base and the fourth lens base are assembled together; after the optical wedge device is installed, two mirror surfaces close to the third optical wedge lens and the fourth optical wedge lens form a certain included angle with an optical axis, and two mirror surfaces far away from the third optical wedge lens and the fourth optical wedge lens are perpendicular to the optical axis;
the third lens base and the second lens base are assembled together; after installation, two mirror surfaces of the second optical wedge lens and the third optical wedge lens which are close to each other are vertical to the optical axis, and a certain gap is kept between the two mirror surfaces; the main sections of the first optical wedge lens, the second optical wedge lens, the third optical wedge lens and the fourth optical wedge lens are overlapped.
The first optical wedge lens is fixed on the first lens base in a glue pouring mode; the second optical wedge lens is fixed on the second lens base in a glue pouring mode.
The third optical wedge lens is fixed on the third lens base in a glue pouring mode; and the fourth optical wedge lens is fixed on the fourth lens base in a glue pouring mode.
The coaxial precision of the first optical wedge lens, the second optical wedge lens, the third optical wedge lens and the fourth optical wedge lens is superior to 0.015 mm.
The invention provides another technical solution that: the zero position adjusting method of the optical system double-optical-wedge device comprises the following steps:
s1, the first optical wedge lens is fixed on the first lens base in an encapsulating way, and the second optical wedge lens is fixed on the second lens base in an encapsulating way; combining the first lens base and the second lens base to enable two lens surfaces, close to each other, of the first optical wedge lens and the second optical wedge lens to form a certain included angle with an optical axis, and enabling two lens surfaces, far away from each other, of the first optical wedge lens and the second optical wedge lens to be perpendicular to the optical axis;
s2, rotating the relative angle of the first lens base and the second lens base by using a double-optical-wedge centering adjustment method, adjusting the relative zero positions of the first optical wedge lens and the second optical wedge lens to enable the main sections of the first optical wedge lens and the second optical wedge lens to be overlapped, and pouring glue to fix the first lens base and the second lens base to complete zero position adjustment of the first optical wedge assembly;
s3: the third optical wedge lens is fixed on the third lens base in an encapsulating way, and the fourth optical wedge lens is fixed on the fourth lens base in an encapsulating way; combining a third lens base and a fourth lens base to enable two lens surfaces, close to each other, of the third optical wedge lens and the fourth optical wedge lens to form a certain included angle with an optical axis, and enabling two lens surfaces, far away from each other, of the third optical wedge lens and the fourth optical wedge lens to be perpendicular to the optical axis;
s4: rotating the relative angle of the third lens base and the fourth lens base by using a double-optical-wedge centering adjustment method, adjusting the relative zero positions of the third optical-wedge lens and the fourth optical-wedge lens to enable the main sections of the third optical-wedge lens and the fourth optical-wedge lens to be superposed, and pouring glue to fix the third lens base and the fourth lens base to complete zero position adjustment of the second optical-wedge assembly;
s5, assembling the second lens base and the third lens base together; after installation, two mirror surfaces of the second optical wedge lens and the third optical wedge lens which are close to each other are vertical to the optical axis, and a certain gap is kept between the two mirror surfaces;
s5: and rotating the relative angle of the first optical wedge component and the second optical wedge component by using a double-optical-wedge centering adjustment method, and adjusting the relative zero positions of the first optical wedge component and the second optical wedge component to ensure that the main sections of the first optical wedge lens, the second optical wedge lens, the third optical wedge lens and the fourth optical wedge lens are superposed to finish zero position adjustment of the double-optical-wedge optical system.
Compared with the prior art, the invention has the beneficial effects that:
(1) compared with an optical system method consisting of two optical wedge lenses in the prior art, the optical system method realizes a larger optical field scanning angle range on the premise of the same optical caliber because four optical wedge lenses are adopted.
(2) The optical system double-optical-wedge device has simple structure, and the zero position adjusting method is convenient and easy to realize.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a diagram of the components of a dual optical wedge imaging system according to an embodiment of the present invention;
fig. 2 is a structural diagram of a zero calibration device of a dual-optical-wedge optical system according to an embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the invention is intended to be illustrative, and not to be construed as limiting the invention.
The optical wedge is an optical component used for changing the direction of emergent rays in an infrared imaging optical system, and the position of an optical axis is changed by rotating the double optical wedges and controlling the relative angle of two optical wedge lenses, so that the object space view field is rapidly scanned in a large range.
An air space is arranged between the two optical wedge lenses, so that the adjacent working surfaces are parallel and can rotate relatively around the common normal line of the working surfaces, theoretically, when the main sections of the two optical wedges are superposed, the two wedge angles face to one side, the maximum total deflection angle (the sum of the deflection angles generated by the two optical wedges) is generated, when the relative rotation angle of the two optical wedges is 180 degrees, the two main sections are still superposed, but the wedge angle directions are opposite, obviously, the combined double optical wedge is equivalent to a parallel flat plate, and the deflection angle is zero. If the angle range of optical field scanning is to be increased, only the number of wedge lenses can be increased.
As shown in fig. 1, the present invention provides an optical system dual wedge device. The apparatus includes a first optical wedge assembly and a second optical wedge assembly;
the first optical wedge component comprises a first optical wedge lens, a second optical wedge lens, a first lens base and a second lens base; the first optical wedge lens is fixedly arranged on the first lens base, the second wedge lens is fixedly arranged on the second lens base, and the first lens base and the second lens base are combined and arranged together; after the optical wedge device is installed, two mirror surfaces close to the first optical wedge lens and the second optical wedge lens form a certain included angle with an optical axis, and two mirror surfaces far away from the first optical wedge lens and the second optical wedge lens are perpendicular to the optical axis;
the second optical wedge component comprises a third optical wedge lens, a fourth optical wedge lens, a third lens base and a fourth lens base; the third optical wedge lens is fixedly arranged on the third lens base, and the fourth wedge lens is fixedly arranged on the fourth lens base; the third lens base and the fourth lens base are assembled together; after the optical wedge device is installed, two mirror surfaces close to the third optical wedge lens and the fourth optical wedge lens form a certain included angle with an optical axis, and two mirror surfaces far away from the third optical wedge lens and the fourth optical wedge lens are perpendicular to the optical axis;
the third lens base and the second lens base are assembled together; after installation, two mirror surfaces of the second optical wedge lens and the third optical wedge lens which are close to each other are vertical to the optical axis, and a certain gap is kept between the two mirror surfaces; the main sections of the first optical wedge lens, the second optical wedge lens, the third optical wedge lens and the fourth optical wedge lens are overlapped.
The first optical wedge lens is fixed on the first lens base in a glue pouring mode; the second optical wedge lens is fixed on the second lens base in a glue pouring mode.
The third optical wedge lens is fixed on the third lens base in a glue pouring mode; and the fourth optical wedge lens is fixed on the fourth lens base in a glue pouring mode.
The distance processing precision between the first optical wedge lens and the second optical wedge lens, between the second optical wedge lens and the third optical wedge lens, and between the third optical wedge lens and the fourth optical wedge lens is 0.015-0.025 mm.
The coaxial precision of the first optical wedge lens, the second optical wedge lens, the third optical wedge lens and the fourth optical wedge lens is superior to 0.015 mm.
The optical wedge optical system designed by the invention adopts four optical wedge lenses in order to enlarge the angle range of optical field scanning. The other technical scheme provided by the invention is the zero position adjusting method of the optical system double-optical-wedge device, which provides an adjusting means for a double-optical-wedge lens of 4 optical-wedge lenses in the adjusting process, realizes the controllability and adjustability of the double-optical-wedge adjusting process, and ensures that the optical axis can be adjusted to the zero position after the double-optical-wedge adjusting is finished. The method comprises the following steps:
s1, the first optical wedge lens is fixed on the first lens base in an encapsulating way, and the second optical wedge lens is fixed on the second lens base in an encapsulating way; combining the first lens base and the second lens base to enable two lens surfaces, close to each other, of the first optical wedge lens and the second optical wedge lens to form a certain included angle with an optical axis, and enabling two lens surfaces, far away from each other, of the first optical wedge lens and the second optical wedge lens to be perpendicular to the optical axis;
s2, rotating the relative angle of the first lens base and the second lens base by using a double-optical-wedge centering adjustment method, adjusting the relative zero positions of the first optical wedge lens and the second optical wedge lens to enable the main sections of the first optical wedge lens and the second optical wedge lens to be overlapped, and pouring glue to fix the first lens base and the second lens base to complete zero position adjustment of the first optical wedge assembly;
s3: the third optical wedge lens is fixed on the third lens base in an encapsulating way, and the fourth optical wedge lens is fixed on the fourth lens base in an encapsulating way; combining a third lens base and a fourth lens base to enable two lens surfaces, close to each other, of the third optical wedge lens and the fourth optical wedge lens to form a certain included angle with an optical axis, and enabling two lens surfaces, far away from each other, of the third optical wedge lens and the fourth optical wedge lens to be perpendicular to the optical axis;
s4: rotating the relative angle of the third lens base and the fourth lens base by using a double-optical-wedge centering adjustment method, adjusting the relative zero positions of the third optical-wedge lens and the fourth optical-wedge lens to enable the main sections of the third optical-wedge lens and the fourth optical-wedge lens to be superposed, and pouring glue to fix the third lens base and the fourth lens base to complete zero position adjustment of the second optical-wedge assembly;
s5, assembling the second lens base and the third lens base together; after installation, two mirror surfaces of the second optical wedge lens and the third optical wedge lens which are close to each other are vertical to the optical axis, and a certain gap is kept between the two mirror surfaces;
s5: and rotating the relative angle of the first optical wedge component and the second optical wedge component by using a double-optical-wedge centering adjustment method, and adjusting the relative zero positions of the first optical wedge component and the second optical wedge component to ensure that the main sections of the first optical wedge lens, the second optical wedge lens, the third optical wedge lens and the fourth optical wedge lens are superposed to finish zero position adjustment of the double-optical-wedge optical system.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make variations and modifications of the present invention without departing from the spirit and scope of the present invention by using the methods and technical contents disclosed above.

Claims (6)

1. An optical system dual-wedge device is characterized by comprising a first wedge assembly and a second wedge assembly;
the first optical wedge component comprises a first optical wedge lens, a second optical wedge lens, a first lens base and a second lens base; the first optical wedge lens is fixedly arranged on the first lens base, the second wedge lens is fixedly arranged on the second lens base, and the first lens base and the second lens base are combined and arranged together; after the optical wedge device is installed, two mirror surfaces close to the first optical wedge lens and the second optical wedge lens form a certain included angle with an optical axis, and two mirror surfaces far away from the first optical wedge lens and the second optical wedge lens are perpendicular to the optical axis;
the second optical wedge component comprises a third optical wedge lens, a fourth optical wedge lens, a third lens base and a fourth lens base; the third optical wedge lens is fixedly arranged on the third lens base, and the fourth wedge lens is fixedly arranged on the fourth lens base; the third lens base and the fourth lens base are assembled together; after the optical wedge device is installed, two mirror surfaces close to the third optical wedge lens and the fourth optical wedge lens form a certain included angle with an optical axis, and two mirror surfaces far away from the third optical wedge lens and the fourth optical wedge lens are perpendicular to the optical axis;
the third lens base and the second lens base are assembled together; after installation, two mirror surfaces of the second optical wedge lens and the third optical wedge lens which are close to each other are vertical to the optical axis, and a certain gap is kept between the two mirror surfaces; the main sections of the first optical wedge lens, the second optical wedge lens, the third optical wedge lens and the fourth optical wedge lens are overlapped.
2. The dual-wedge optical system device of claim 1, wherein said first wedge optic is secured to said first lens mount by glue injection; the second optical wedge lens is fixed on the second lens base in a glue pouring mode.
3. The dual-wedge optical system device of claim 1, wherein said third wedge optic is fixed to said third lens mount by glue-pouring; and the fourth optical wedge lens is fixed on the fourth lens base in a glue pouring mode.
4. The dual-wedge optical system device of claim 1, wherein the first, second, third and fourth wedge optics have a co-axial precision better than 0.015 mm.
5. A method for zero adjustment of a dual wedge device in an optical system as set forth in claim 1, comprising the steps of:
s1, the first optical wedge lens is fixed on the first lens base in an encapsulating way, and the second optical wedge lens is fixed on the second lens base in an encapsulating way; combining the first lens base and the second lens base to enable two lens surfaces, close to each other, of the first optical wedge lens and the second optical wedge lens to form a certain included angle with an optical axis, and enabling two lens surfaces, far away from each other, of the first optical wedge lens and the second optical wedge lens to be perpendicular to the optical axis;
s2, rotating the relative angle of the first lens base and the second lens base, adjusting the relative zero positions of the first optical wedge lens and the second optical wedge lens to enable the main sections of the first optical wedge lens and the second optical wedge lens to be overlapped, and pouring glue to fix the first lens base and the second lens base to complete zero position adjustment of the first optical wedge assembly;
s3: the third optical wedge lens is fixed on the third lens base in an encapsulating way, and the fourth optical wedge lens is fixed on the fourth lens base in an encapsulating way; combining a third lens base and a fourth lens base to enable two lens surfaces, close to each other, of the third optical wedge lens and the fourth optical wedge lens to form a certain included angle with an optical axis, and enabling two lens surfaces, far away from each other, of the third optical wedge lens and the fourth optical wedge lens to be perpendicular to the optical axis;
s4, rotating the relative angle of the third lens base and the fourth lens base, adjusting the relative zero positions of the third optical wedge lens and the fourth optical wedge lens to enable the main sections of the third optical wedge lens and the fourth optical wedge lens to be overlapped, and pouring glue to fix the third lens base and the fourth lens base to complete zero position adjustment of the second optical wedge assembly;
s5, assembling the second lens base and the third lens base together; after installation, two mirror surfaces of the second optical wedge lens and the third optical wedge lens which are close to each other are vertical to the optical axis, and a certain gap is kept between the two mirror surfaces;
s6, rotating the relative angle of the first optical wedge component and the second optical wedge component, and adjusting the relative zero position of the first optical wedge component and the second optical wedge component, so that the main sections of the first optical wedge lens, the second optical wedge lens, the third optical wedge lens and the fourth optical wedge lens are overlapped, and the zero position adjustment of the dual-optical-wedge optical system is completed.
6. The method for zero adjustment of dual-wedge device in optical system according to claim 5, wherein said steps (2), (4) and (5) are performed by using dual-wedge centering adjustment.
CN202110220771.1A 2021-02-26 2021-02-26 Optical system double-optical-wedge device and zero position adjusting method thereof Active CN112859282B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110220771.1A CN112859282B (en) 2021-02-26 2021-02-26 Optical system double-optical-wedge device and zero position adjusting method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110220771.1A CN112859282B (en) 2021-02-26 2021-02-26 Optical system double-optical-wedge device and zero position adjusting method thereof

Publications (2)

Publication Number Publication Date
CN112859282A true CN112859282A (en) 2021-05-28
CN112859282B CN112859282B (en) 2022-11-11

Family

ID=75990429

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110220771.1A Active CN112859282B (en) 2021-02-26 2021-02-26 Optical system double-optical-wedge device and zero position adjusting method thereof

Country Status (1)

Country Link
CN (1) CN112859282B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113933988A (en) * 2021-09-07 2022-01-14 上海航天控制技术研究所 Double-mirror differential scanning mechanism

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6208465B1 (en) * 1997-04-25 2001-03-27 Galore Scantec Ltd. Method and apparatus for imaging an object by diffractive autofocus
JP2004311818A (en) * 2003-04-09 2004-11-04 Koshin Kogaku Kogyo Kk Optical length variable device and laser device
CN1841172A (en) * 2005-03-10 2006-10-04 日立比亚机械股份有限公司 Apparatus and method for beam drift compensation
JP2009139692A (en) * 2007-12-07 2009-06-25 Mitsubishi Electric Corp Laser beam scanner and optical antenna device
US20100027089A1 (en) * 2007-04-25 2010-02-04 Saab Ab Optical scanner
JP2011167704A (en) * 2010-02-16 2011-09-01 Hrd Kk Beam rotator
CN103091836A (en) * 2012-12-26 2013-05-08 中科中涵激光设备(福建)股份有限公司 Optical scanning head drive control system based on hollow encoder and phase difference
CN106501914A (en) * 2016-12-13 2017-03-15 中国航空工业集团公司洛阳电光设备研究所 Double wedges centering Method of Adjustment
CN107703600A (en) * 2017-11-14 2018-02-16 长春理工大学 The coaxiality adjusting method and device of gyroaxis and optical axis based on double wedges
CN108008541A (en) * 2017-10-25 2018-05-08 中国航空工业集团公司洛阳电光设备研究所 A kind of method of the double wedges of adjustment
CN111123991A (en) * 2019-12-04 2020-05-08 上海航天控制技术研究所 Optical axis control method based on double-optical-wedge infrared imaging

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6208465B1 (en) * 1997-04-25 2001-03-27 Galore Scantec Ltd. Method and apparatus for imaging an object by diffractive autofocus
JP2004311818A (en) * 2003-04-09 2004-11-04 Koshin Kogaku Kogyo Kk Optical length variable device and laser device
CN1841172A (en) * 2005-03-10 2006-10-04 日立比亚机械股份有限公司 Apparatus and method for beam drift compensation
US20100027089A1 (en) * 2007-04-25 2010-02-04 Saab Ab Optical scanner
JP2009139692A (en) * 2007-12-07 2009-06-25 Mitsubishi Electric Corp Laser beam scanner and optical antenna device
JP2011167704A (en) * 2010-02-16 2011-09-01 Hrd Kk Beam rotator
CN103091836A (en) * 2012-12-26 2013-05-08 中科中涵激光设备(福建)股份有限公司 Optical scanning head drive control system based on hollow encoder and phase difference
CN106501914A (en) * 2016-12-13 2017-03-15 中国航空工业集团公司洛阳电光设备研究所 Double wedges centering Method of Adjustment
CN108008541A (en) * 2017-10-25 2018-05-08 中国航空工业集团公司洛阳电光设备研究所 A kind of method of the double wedges of adjustment
CN107703600A (en) * 2017-11-14 2018-02-16 长春理工大学 The coaxiality adjusting method and device of gyroaxis and optical axis based on double wedges
CN111123991A (en) * 2019-12-04 2020-05-08 上海航天控制技术研究所 Optical axis control method based on double-optical-wedge infrared imaging

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113933988A (en) * 2021-09-07 2022-01-14 上海航天控制技术研究所 Double-mirror differential scanning mechanism
CN113933988B (en) * 2021-09-07 2023-09-29 上海航天控制技术研究所 Double-mirror differential scanning mechanism

Also Published As

Publication number Publication date
CN112859282B (en) 2022-11-11

Similar Documents

Publication Publication Date Title
US10996422B2 (en) Camera module and method for assembling same
US20160187646A1 (en) High-speed optical scanning systems and methods
US20200192051A1 (en) Camera module and assembly method therefor
CN206002751U (en) Dual camera zoom module
JP4152826B2 (en) Image reading unit and image forming apparatus using the same
CN103399416B (en) High-precision combined adjusting and butting method and mechanism for infrared imaging system
CN1214455A (en) Observation apparatus and fusion splicer for optical fibers
CN103913808B (en) Four-dimensional optical regulator and using method thereof
CN112859282B (en) Optical system double-optical-wedge device and zero position adjusting method thereof
CN103064195A (en) Adjustment method of non-coaxial optical system
CN103521790A (en) Dead axle tool capable of improving optical centering precision and optical centering interpretation method
CN111007693B (en) Wide-angle image pickup device
CN103402114A (en) Combined adjusting and butting method and mechanism for high-precision visible light imaging system
US8358457B2 (en) Miniature rotating transmissive optical drum scanner
CN106707456A (en) Primary barrel of panoramic fish-eye lens, panoramic fish-eye lens and imaging method
CN108008541B (en) Method for installing and adjusting double optical wedges
JP5069850B2 (en) Imaging lens and imaging apparatus
CN212435806U (en) Optical axis alignment device based on semi-transparent mirror
US20240171720A1 (en) Non-blind-area multi-view panoramic stereo imaging device
CN102736259A (en) Centering method and device for lens assembly
CN109981986A (en) The reflective infrared micro scanning optical imaging system restored for image super-resolution
CN102818536B (en) The method at detection fiber shape and center
CN111953882A (en) Optical axis alignment device based on semi-transparent mirror
CN206411319U (en) A kind of fish-eye main cylinder of panorama, panorama fish eye lens
CN1287165C (en) Two-way color pyramid mirror and its mfg. method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant