WO2005078500A1 - 光学部品保持ユニット - Google Patents
光学部品保持ユニット Download PDFInfo
- Publication number
- WO2005078500A1 WO2005078500A1 PCT/JP2005/002435 JP2005002435W WO2005078500A1 WO 2005078500 A1 WO2005078500 A1 WO 2005078500A1 JP 2005002435 W JP2005002435 W JP 2005002435W WO 2005078500 A1 WO2005078500 A1 WO 2005078500A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- optical component
- component holding
- holding unit
- fitting
- opening
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 148
- 230000037431 insertion Effects 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 description 10
- 230000013011 mating Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/003—Alignment of optical elements
Definitions
- the present invention relates to an optical component holding unit
- a conventional optical system is configured by arranging optical components such as a prism, a lens, a mirror, an LD, and a CCD at predetermined positions.
- optical components such as a prism, a lens, a mirror, an LD, and a CCD
- the accuracy of the relative position and the relative angle between the optical components is required to match these optical axes, and positioning is performed using a dedicated jig, a position adjusting mechanism, or the like.
- a dedicated jig a position adjusting mechanism, or the like.
- there is known an optical system in which prisms provided with fitting pins are connected to each other for positioning for example, see Patent Document 1).
- Patent Document 1 Japanese Patent No. 3134850
- the present invention has been made to solve such a problem, and an optical device in which positioning cost is improved while cost reduction and reproducibility during assembly are ensured. It is intended to provide a component holding unit.
- An optical component holding unit is an optical component holding unit that can accommodate and hold an optical component, and includes an opening that allows light to pass therethrough and an optical unit that is adjacent in the direction of light. And a fitting shape that allows the product holding units to be detachably connected to each other, wherein the fitting shape forms or surrounds an opening and positions the optical component holding units. And a fitting shape for stopping the rotation of the component holding units.
- the adjacent optical component holding units are guided to a predetermined position and are detachably connected to each other by the fitting shape to be positioned.
- Adjacent optical component holding units are constrained in the rotational direction by the fitting shape that is positioned in the original direction and that prevents rotation, and are positioned in the rotational direction.
- the fitting shape for positioning and the fitting shape for preventing rotation are non-circular holes or non-circular holes having a non-circular cross section that form or surround the opening.
- the fitting shape for preventing rotation are non-circular holes or non-circular holes having a non-circular cross section that form or surround the opening.
- the fitting shape to be positioned has a circular hole or a circular convex portion having a circular cross section that forms or surrounds the opening portion.
- the fitting shape to be used includes a configuration having at least one of a fitting pin and a fitting hole.
- a circular hole or a circular convex portion having a circular cross section for forming or surrounding an opening is further provided. Direction is more reliably positioned.
- the optical component holding unit itself is a block body, the optical component holding unit itself may
- the optical component holding units are accurately arranged.
- an optical component is provided with an insertion slot for inserting the optical component and a lid for opening and closing the insertion slot, the optical component is easily inserted and accommodated through the insertion slot, and the optical component is closed by closing the lid. Parts are protected.
- the optical component holding unit is an optical component holding unit that is arranged in the connected optical component holding unit row, and includes an opening that allows incident light of the optical component to pass therethrough; And an opening that allows the emitted light to pass therethrough.
- the optical component holding unit is an optical component holding unit arranged at the start end of a row of optical component holding units to be connected, and has a configuration including an opening through which light emitted from the optical component can pass. No.
- the optical component holding unit is an optical component holding unit arranged at the end of the row of optical component holding units to be connected, and is provided with an opening through which the incident light of the optical component can pass. No.
- the circular holes and non-circular holes mentioned here include through holes, grooves, and concave portions.
- the positioning in the three-dimensional direction and the rotation direction is facilitated, the cost can be reduced at the time of assembling, and the optical component holding units are connected to each other.
- the removable connection allows the positioning accuracy in the three-dimensional and rotational directions to be improved while ensuring the reproducibility of the position.
- FIG. 1 is a schematic plan view showing a Mach-Zehnder interferometer provided with an optical component holding unit according to a first embodiment of the present invention.
- FIG. 2 is a perspective view showing the optical component holding unit in FIG. 1.
- FIG. 3 is a perspective view showing an optical component holding unit connected to the optical component holding unit shown in FIG. 2.
- FIG. 4 is a perspective view showing an optical component holding unit according to a second embodiment of the present invention.
- FIG. 5 is a perspective view showing an optical component holding unit connected to the optical component holding unit shown in FIG. 4.
- FIG. 6 is a perspective view showing an optical component holding unit according to a third embodiment of the present invention.
- FIG. 7 is a perspective view showing an optical component holding unit connected to the optical component holding unit shown in FIG. 6.
- FIG. 8 is a perspective view showing a state before mounting a lid on an optical component holding unit according to a fourth embodiment of the present invention.
- FIG. 9 is a perspective view showing a state before the lid is attached to the optical component holding unit connected to the optical component holding unit shown in FIG. 8.
- FIG. 10 is a perspective view for explaining holes of the optical component holding unit according to the first to fourth embodiments of the present invention.
- FIG. 1 is a schematic plan view showing a Mach-Zehnder interferometer provided with an optical component holding unit according to a first embodiment of the present invention
- FIGS. 2 and 3 show an optical component holding unit in FIG. FIG.
- the same or corresponding elements have the same reference characters allotted, and overlapping description will be omitted.
- a Matsuhender interferometer 1 is used, for example, for measuring the amount of distortion of a transparent body, and includes a mount base 3 and various optical component holding units (to be described in detail later) 5. , Is provided.
- the mount base 3 is formed into a plate shape with a metallic force such as aluminum, for example, to form a substrate.
- the various optical component holding units 5 are mounted on the mount base 3.
- these optical component holding units 5 include a light emitting unit 5P containing a light emitting element, blank units 5B1 and 5B2 containing no optical components, a lens unit 5Q containing a collimating lens, and a beam splitter.
- the beam splitter units 5S1 and 5S2 accommodated, the object unit 5D accommodating the object 7, the mirror units 5M1 and 5M2 accommodating the mirror, and the light receiving unit 5R accommodating the light receiving element are collectively referred to as optical units.
- the optical component holding unit 5 is adhered to the mount base 3 via, for example, an adhesive.
- the light emitting unit 5P, the blank unit 5B1, the lens unit 5Q, the beam splitter unit 5S1, the subject unit 5D, and the mirror unit 5M1 are coaxially connected in a line and installed, and the mirror unit 5M2, the blank unit 5B2,
- the beam splitter unit 5S2 and the light receiving unit 5R are coaxially connected in a row and installed.
- the optical component holding unit rows are arranged side by side, and the mirrors of the beam splitter unit 5S1 and the mirror unit 5M2 are mirrored together.
- the unit rows are connected so that the mirror surfaces of the 5M1 and the beam splitter unit 5S2 face each other, the light emitted from the light emitting unit 5P is collimated by the lens unit 5Q, and the mirror unit 5M1 is collimated by the lens unit 5Q.
- Direction to the straight light and the mirror unit 5M2 The straight light from the beam splitter 5S1 passes through the subject 7 and is reflected at a right angle by the mirror unit 5M1, while the reflected light from the beam splitter 5S1 is reflected at a right angle by the mirror unit 5M2, and the mirror unit 5M 1
- the light from the mirror unit 5M2 reaches the beam splitter 5S2, and is received by the light receiving unit 5R via the beam splitter 5S2. Then, in the light receiving unit 5R, the interference fringe is detected, and the distortion amount and the like of the subject 7 are measured.
- the optical component holding unit 5 is made of, for example, brass or the like, and forms a cube (block body) as shown in FIGS. 2 and 3, and the light emitting element, the collimating lens, the beam splitter, the mirror, the light receiving element, and the like.
- the optical parts holding units 5 adjacent to each other in the light direction can be detachably connected to the openings 2a and 2b, which are capable of accommodating and holding the respective optical parts, and permitting the passage of light on the peripheral surface.
- Fitting shapes fitting shapes for positioning and fitting shapes for preventing rotation
- the optical component holding unit 5 described here has at least two openings, and is a lens unit 5Q, mirror units 5M1 and 5M2, a subject unit 5D and a blank unit 5B1 and 5B2.
- the optical component holding units 5Q, 5D, 5B1, and 5B2 have openings 2a and 2b on opposing peripheral surfaces, respectively, and the optical component holding units 5M1 and 5M2 have openings 2a and 2b on orthogonal peripheral surfaces. ing.
- the fitting shape 4a includes a rectangular convex portion 8a surrounding the rectangular opening 2a and projecting outward as a non-circular convex portion.
- the fitting shape 4b is as shown in FIG. Furthermore, a rectangular hole 8b forming the opening 2b is provided as a non-circular hole.
- the optical component holding unit 5 is provided with an insertion opening (not shown) for inserting an optical component, and a lid 6 for opening and closing the entrance as shown in FIGS. 2 and 3. .
- the lid 6 is fixed to the optical component holding unit 5 by, for example, a screw, or the like, and the screw does not protrude from the lid 6.
- the beam splitter units 5S1 and 5S2 may have at least three openings.
- the optical component holding unit 5 itself is a cube, the optical component holding unit 5 is brought into close contact with the mount base 3 and a reference surface such as a peripheral surface of the adjacent optical component holding unit 5. As a result, the optical component holding units can be arranged accurately.
- the optical component is provided with the insertion opening for inserting the optical component and the lid 6 for opening and closing the insertion opening, the optical component is easily inserted and accommodated through the insertion opening, and the optical component is closed by closing the lid 6. Are protected.
- FIGS. 4 and 5 are perspective views showing an optical component holding unit according to the second embodiment of the present invention.
- the optical component holding unit 15 of the second embodiment is different from the optical component holding unit 5 of the first embodiment in that positioning is performed instead of the fitting shapes 4a and 4b having the rectangular projections 8a and the rectangular holes 8b.
- This is a point that fitting shapes 14a and 14b each having a circular convex portion lla and a circular hole lib as a fitting shape, and a spring pin 13a and a fitting hole 13b as a fitting shape for preventing rotation are used.
- the circular convex portion 11a surrounds the circular opening 12a and protrudes outward.
- the circular hole lib forms an opening 12b as shown in FIG.
- the spring pins 13a are made of, for example, stainless steel and have a circumferentially extending split groove on the peripheral surface. As shown in FIG. 4, a pair of spring pins 13a are arranged at diagonal positions across the opening 12a. It is attached to the support hole 16a. 4 and 5, the fitting hole 13b is provided at a position facing the support hole 16a.
- the optical component holding units 15 are guided to a predetermined position and are detachably connected to each other by the fitting of the circular convex portion 11a and the circular hole lib.
- the spring pin 13a and the fitting hole 13b are fitted to each other, whereby the spring pin 13a is restrained in the rotation direction and positioned in the rotation direction.
- the spring pin 13a has an outer diameter of 1.6 mm, a length of 5 mm, the support hole 16a has an inner diameter of 1.54 mm, a depth of 2 mm, and the fitting hole 13b has an inner diameter of 1.66 mm and a depth of 3. It is 5mm.
- the spring pin 13a remains attached to the support hole 16a without remaining in the mating hole 13b on the mating side, and the optical component holding unit 15 is again placed. High-precision positioning in the rotational direction at the time of connection is enabled, and reproducibility is ensured.
- FIGS. 6 and 7 are perspective views showing an optical component holding unit according to the third embodiment of the present invention.
- the optical component holding unit 25 of the third embodiment is different from the optical component holding unit 5 of the first embodiment in that the fitting shapes 24a and 24b of the optical component holding unit 25 are circular convex as the fitting shape for positioning.
- Part 11a further comprises a circular hole l ib. That is, as shown in FIG. 6, the fitting shape 24a includes a circular convex portion 11a surrounding a circular opening 22a inside the rectangular convex portion 8a (axial side). As shown in FIG. 7, a circular hole lib forming an opening 22b is provided inside the rectangular hole 8b (axial side).
- the optical component holding units 25 can be fixed to each other by fitting the circular convex portion 11a and the circular hole l ib in addition to the fitting of the rectangular convex portion 8a and the rectangular hole 8b. And more reliably positioned in the three-dimensional direction. As a result, the positioning accuracy in the three-dimensional direction can be improved as compared with the first embodiment.
- the fitting shape is such that the circular convex portion 11a is provided inside the rectangular convex portion 8a.
- the fitting shape 24a has a circular hole l ib inside the rectangular hole 8b, but the fitting shape has a rectangular convex portion inside the circular convex portion, and a rectangular hole inside the circular hole.
- the fitting shape may be provided.
- FIGS. 8 and 9 are perspective views showing a state before the lid is mounted on the optical component holding unit according to the fourth embodiment of the present invention.
- the optical component holding unit 35 of the fourth embodiment is different from the optical component holding unit 25 of the third embodiment in that the fitting shapes 34a and 34b of the optical component holding unit 35 This is further provided with a pin 13a (see FIG. 8) and a fitting hole 13b (see FIG. 9).
- the opening 22a is a coaxial circular convex portion lla, a rectangular convex portion 8a, a circular hole llb, and a rectangular hole 8b.
- Escape portion 22c is provided on the peripheral surface to allow advance and retreat through 22b. Note that the escape portion 22c is applicable to other embodiments.
- the optical component holding units 35 are rotated by the fitting of the spring pins 13a and the fitting holes 13b in addition to the fitting of the rectangular projections 8a and the rectangular holes 8b. In the direction of rotation to more reliably position in the rotational direction. As a result, the positioning accuracy in the rotation direction can be improved as compared with the third embodiment.
- the optical component holding units 5, 15, 25, and 35 are applied to the Mach-Zehnder interferometer 1, but may be applied to, for example, a Fourier transform spectrometer, a flatness measuring device, and the like.
- the light receiving element, the collimating lens, the beam splitter, the mirror, and the light receiving element are illustrated as the optical components.
- the present invention is not limited to these.
- the optical component holding unit does not necessarily need to accommodate optical components, and may be used as, for example, a blank unit not accommodating optical components or a subject unit for accommodating a subject.
- the non-circular protrusions and the non-circular holes are the rectangular protrusions 8a and the rectangular holes 8b having a rectangular cross section.
- a polygonal convex part or a polygonal hole may be used.
- the non-circular holes 8b and the circular holes 11b as the fitting shapes to be positioned form the openings 2b, 12b, 22b, and 22b.
- an annular groove 48b surrounding the opening 42b may be used.
- a concave portion which is provided continuously to the outer periphery of the opening and surrounds the opening and does not reach the inside (inside the block) or the like. It may be.
- the optical component holding units 5, 15, 25, and 35 may be cubes, for example, a rectangular parallelepiped or another polyhedron.
- a configuration may be employed in which the axis of the fitting shape and the center of the peripheral surface provided with the fitting shape are eccentric.
- a force in which the fitting shape for connecting the optical component holding units to each other and the lid 6 are different from each other may be provided in the lid 6.
- a pair of spring pins 13a is provided on the peripheral surface provided with the circular convex portion 11a, and a pair of fitting holes 13b is provided on the peripheral surface provided with the circular hole lib.
- the spring pin 13a and the fitting hole 13b may be provided on the same peripheral surface, and another elastic pin may be used instead of the spring pin 13a.
- the positioning in the three-dimensional direction and the rotation direction is facilitated, the cost can be reduced at the time of assembling, and the optical component holding units are connected to each other.
- the removable connection allows the positioning accuracy in the three-dimensional and rotational directions to be improved while ensuring the reproducibility of the position.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/589,606 US7428110B2 (en) | 2004-02-17 | 2005-02-17 | Optical part holding unit |
EP05719237A EP1717621A4 (en) | 2004-02-17 | 2005-02-17 | UNIT FOR MAINTAINING AN OPTICAL LIGHT |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004040396A JP2005234050A (ja) | 2004-02-17 | 2004-02-17 | 光学部品保持ユニット |
JP2004-040396 | 2004-02-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005078500A1 true WO2005078500A1 (ja) | 2005-08-25 |
Family
ID=34857884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/002435 WO2005078500A1 (ja) | 2004-02-17 | 2005-02-17 | 光学部品保持ユニット |
Country Status (5)
Country | Link |
---|---|
US (1) | US7428110B2 (ja) |
EP (1) | EP1717621A4 (ja) |
JP (1) | JP2005234050A (ja) |
CN (1) | CN100458486C (ja) |
WO (1) | WO2005078500A1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010050981A1 (en) * | 2008-10-31 | 2010-05-06 | Hewlett-Packard Development Company, L.P. | Device for optically coupling photonic elements |
CN101672973B (zh) * | 2009-10-16 | 2011-04-27 | 清华大学 | 缩短镜头轴长的通用棱镜装置 |
DE102011051949B4 (de) * | 2011-07-19 | 2017-05-18 | Leica Microsystems Cms Gmbh | Wechselvorrichtung für ein Mikroskop |
DE102013101995B3 (de) * | 2013-02-28 | 2014-06-05 | Khs Gmbh | Inspektionsvorrichtung mit optischem Kanal aus Kanalelementen |
AU2015342770A1 (en) * | 2014-11-07 | 2017-06-29 | Uvlrx Therapeutics, Inc. | High efficiency optical combiner for multiple non-coherent light sources |
US10054762B2 (en) * | 2016-12-06 | 2018-08-21 | Applied Optoelectronics, Inc. | Optical component holder having alignment feature for forming press-fit and an optical subassembly using same |
CN107329230B (zh) * | 2017-08-31 | 2019-06-07 | 重庆博奥新景医学科技有限公司 | 一种用于光学收集镜头手动三维调节的结构 |
JP6845175B2 (ja) * | 2018-03-22 | 2021-03-17 | 株式会社東芝 | 光伝送モジュールおよび光伝送装置 |
KR102032318B1 (ko) * | 2018-05-31 | 2019-10-14 | 주식회사 큐리오시스 | 광학 블록 |
CN109186503A (zh) * | 2018-09-05 | 2019-01-11 | 天津大学 | 基于四面锥形直角等腰反射棱镜的直线度误差测量系统 |
JP7317229B2 (ja) * | 2020-05-22 | 2023-07-28 | 富士フイルム株式会社 | 反射構造体及び視認性制御方法 |
KR102327806B1 (ko) * | 2020-07-07 | 2021-11-18 | 주식회사 나노시스템 | 탈착이 가능한 필터 및 조명 모듈을 구비한 형광 이미징 장치 |
CN115113344A (zh) * | 2021-03-18 | 2022-09-27 | 富士康(昆山)电脑接插件有限公司 | 无接触式连接器及其组件 |
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JPH09274124A (ja) * | 1996-04-08 | 1997-10-21 | Alpine Electron Inc | 光学素子の保持構造 |
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EP0901023A2 (en) * | 1997-09-05 | 1999-03-10 | Nec Corporation | Optomechanical components for use as optical interconnects |
JP2002252401A (ja) * | 2001-02-22 | 2002-09-06 | Oyokoden Lab Co Ltd | レーザ装置 |
JP2003015070A (ja) * | 2001-06-29 | 2003-01-15 | Ricoh Co Ltd | 光走査装置 |
JP2004012844A (ja) * | 2002-06-07 | 2004-01-15 | Hitachi Cable Ltd | 送受信一体型光モジュール |
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US4251134A (en) * | 1978-10-02 | 1981-02-17 | Canon Kabushiki Kaisha | Bayonet safety mechanism for camera lens mount |
JPS6343453Y2 (ja) * | 1979-01-19 | 1988-11-14 | ||
JPS565529A (en) * | 1979-06-27 | 1981-01-21 | Canon Inc | Intermediate tube |
US4408830A (en) * | 1981-03-02 | 1983-10-11 | The United States Of America As Represented By The Secretary Of The Navy | Multidirectional translator mechanism |
DE3711164A1 (de) * | 1987-04-02 | 1988-10-20 | Zeiss Carl Fa | Steckelementeinrichtung zur halterung von bauteilen in stapeln |
JPH0724969Y2 (ja) * | 1989-12-15 | 1995-06-07 | 株式会社久保田農機製作所 | 苗巻取機の制御装置 |
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JP3529369B2 (ja) * | 2001-04-06 | 2004-05-24 | Necビューテクノロジー株式会社 | 投写レンズシフト機構 |
-
2004
- 2004-02-17 JP JP2004040396A patent/JP2005234050A/ja active Pending
-
2005
- 2005-02-17 CN CNB2005800051676A patent/CN100458486C/zh not_active Expired - Fee Related
- 2005-02-17 EP EP05719237A patent/EP1717621A4/en not_active Withdrawn
- 2005-02-17 WO PCT/JP2005/002435 patent/WO2005078500A1/ja active Application Filing
- 2005-02-17 US US10/589,606 patent/US7428110B2/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH09274124A (ja) * | 1996-04-08 | 1997-10-21 | Alpine Electron Inc | 光学素子の保持構造 |
JPH1164765A (ja) * | 1997-08-26 | 1999-03-05 | Canon Inc | レーザー光源装置及び該装置を備えた偏向走査装置 |
EP0901023A2 (en) * | 1997-09-05 | 1999-03-10 | Nec Corporation | Optomechanical components for use as optical interconnects |
JP2002252401A (ja) * | 2001-02-22 | 2002-09-06 | Oyokoden Lab Co Ltd | レーザ装置 |
JP2003015070A (ja) * | 2001-06-29 | 2003-01-15 | Ricoh Co Ltd | 光走査装置 |
JP2004012844A (ja) * | 2002-06-07 | 2004-01-15 | Hitachi Cable Ltd | 送受信一体型光モジュール |
Also Published As
Publication number | Publication date |
---|---|
CN1922526A (zh) | 2007-02-28 |
US7428110B2 (en) | 2008-09-23 |
JP2005234050A (ja) | 2005-09-02 |
EP1717621A1 (en) | 2006-11-02 |
CN100458486C (zh) | 2009-02-04 |
US20070286557A1 (en) | 2007-12-13 |
EP1717621A4 (en) | 2010-03-10 |
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