CN108037558A - Curved surface prism, curved surface prism component and its processing method - Google Patents
Curved surface prism, curved surface prism component and its processing method Download PDFInfo
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- CN108037558A CN108037558A CN201711467129.3A CN201711467129A CN108037558A CN 108037558 A CN108037558 A CN 108037558A CN 201711467129 A CN201711467129 A CN 201711467129A CN 108037558 A CN108037558 A CN 108037558A
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- prism
- curved surface
- optical axis
- surface prism
- frame
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/1805—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for prisms
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The problem of the present invention relates to a kind of curved surface prism, curved surface prism component and its processing method, solves curved surface prism fixation not easy to install, and the phase adjustment of prism is difficult.A kind of curved surface prism component, including curved surface prism, frame, threaded ring and locating piece；Curved surface prism component includes concave surface, convex surface, the phase positioning planar end surface for being arranged on prism lateral surface and step chamfering, frame endoporus and is provided with the locating slot parallel with the optical axis of concave surface；Locating piece cuts off body for cylinder and matches with cylinder where major diameter side；9 outside cambered surface of locating piece is provided with and the matched fin of locating slot；Threaded ring can screw in the endoporus of frame and be pressed on the step surface of step chamfering.The clamping structure of curved surface prism of the present invention is simple, and exploitativeness is good, and without being adjusted to prism phase in installation process, reliability is high.
Description
Technical field
The invention belongs to optical element processing and Ultraprecision Machining field, it is related to a kind of two-sided special edge for sphere
Mirror and its processing method.
Background technology
F é ry.C.H are in a kind of curved surface prism proposed based on Rowland circle principle in 1911, two working surfaces of the prism
It is sphere, and two spheres have larger face inclination angle, it is had light splitting and imaging capability at the same time, when applying in spectral series
When beam splitter is used as in system, the structure of system can be greatly simplified, mitigates the quality of system.But curved surface prism is non-rotating right
Claim part, be not easy clamping and processing.
Curved surface prism is fixed using bonding way more at present, such as document AnnalenaAltbauer, Markus Glier,
Andreas Mezger,etc.high precision assembling process and optomechanical
characterization of the optical subassemblies for the enmap hyper spectral
Shown in imager instrument.But being fixed using bonding way needs to select suitable glue for use environment, to injecting glue
Technological level requires also very high, while also needs to be implemented by substantial amounts of analysis, experiment, be otherwise very easy to because
Glue curing, which is shunk, produces stress, causes prism anamorphic and can not meet the requirement of optical system.
103116211 A of patent CN describe a kind of trim ring fixed form based on bevel washer, its feature request curved surface rib
The convex surface of mirror and cylindrical coaxial, concave surface milling goes out inclined planar end surface and is used to install, using driving lever to curved surface prism phase after installation
The adjustment of position.For this method since curved surface prism needs to process installation planar end surface, material needs the volume outside retention, bevel washer
It is not easy to be processed, it is additionally mounted enter frame after also need to be adjusted phase.
The content of the invention
In order to solve curved surface prism fixation not easy to install, the problem of phase adjustment of prism is difficult, the present invention proposes one
Kind curved surface prism, curved surface prism component and its processing method.
The present invention technical solution be：
A kind of curved surface prism, including concave surface 4 and convex surface 3, it is characterized in that, the lateral surface of the curved surface prism is provided with
Lateral surface is divided into major diameter side and path side by step chamfering 2, the step chamfering 2；The major diameter side is cut for cylinder
The lateral surface of body is cut, the face of cutting off that the cylinder cuts off body positions planar end surface 1 for phase；Phase positioning planar end surface 1 with
The optical axis 5 of concave surface is parallel.
Further, above-mentioned phase positioning planar end surface 1 and optical axis master determined by the optical axis 5 of concave surface and the optical axis 6 on convex surface
Section is vertical.
Further, the step surface of above-mentioned step chamfering 2 and the optical axis 5 of concave surface are vertical.
A kind of curved surface prism component, including curved surface prism, the curved surface prism component include concave surface 4 and convex surface 3, its is special
Part is to further include frame 7, threaded ring 8 and locating piece 9；The curved surface prism further includes the phase for being arranged on prism lateral surface
Position positioning planar end surface 1 and step chamfering 2, prism lateral surface is divided into major diameter side and path side by the step chamfering 2, described
Phase positioning planar end surface 1 is parallel and on path side；The endoporus of the frame 7 for it is circular and with the major diameter side of curved surface prism
Face coordinates, and the endoporus of the frame 7 is provided with the locating slot 71 parallel with the optical axis of concave surface 5；The curved surface prism is embedded in frame 7
It is interior；The locating piece 9 cuts off body for cylinder and matches with cylinder where major diameter side；The 9 outside cambered surface of locating piece
It is provided with fin 91 matched with locating slot 71；The threaded ring 8 can screw in the endoporus of frame 7 and be pressed in step chamfering 2
On step surface.
Further, above-mentioned phase positioning planar end surface 1 and optical axis master determined by the optical axis 5 of concave surface and the optical axis 6 on convex surface
Section is vertical.
Further, the step surface of above-mentioned step chamfering 2 and the optical axis 5 of concave surface are vertical.
The processing method of above-mentioned curved surface prism component, comprises the following steps：
1) processing curve prism 10：
Process convex surface 3, concave surface 4 and cylindrical, it is desirable to cylindrical concentric with concave surface；The processing step chamfering 2 on cylindrical, it is desirable to platform
The step surface of rank chamfering is vertical with the optical axis of concave surface；Phase positioning planar end surface 1 is processed on cylindrical major diameter periphery, it is desirable to phase
Position positioning planar end surface 1 is perpendicular to optical axis main cross section determined by the optical axis 5 of concave surface and the optical axis 6 on convex surface；
2) curved surface prism is installed：
Curved surface prism 10 is installed in frame 7, it is spacing using carry out of the locating piece 9 to curved surface prism 10, pass through screw thread
Curved surface prism 10 and locating piece 9 is fixed in the mode that trim ring 8 is torqued-up to step surface, forms curved surface prism component.
Further, the use of the spacing specific method of progress of the locating piece 9 to curved surface prism 10 is to use in above-mentioned steps 2
What the mode that the fin 91 on locating piece 9 coordinates with the locating slot 71 on the endoporus of frame 7 was realized.
Beneficial effects of the present invention：
1st, the clamping structure of curved surface prism of the present invention is simple, and exploitativeness is good.
2nd, without being adjusted to prism phase in prism installation process, reliability is high.
Brief description of the drawings
Fig. 1 is the machining sketch chart of curved surface prism of the present invention；
Fig. 2 is the right view of Fig. 1；
Fig. 3 is the structure diagram of curved surface prism component of the present invention；
Fig. 4 is the dimensional structure diagram of curved surface prism component of the present invention；
Fig. 5 is the explosive view of curved surface prism component of the present invention；
Wherein：1- phases positioning planar end surface, 2- step chamferings, 3- convex surfaces, 4- concave surfaces, the optical axis of 5- concave surfaces, 6- convex surfaces
Optical axis, 7- frames, 71- locating slots, 8- threaded rings, 9 be locating piece, 91- fins, 10- curved surface prisms.
Embodiment
A kind of curved surface prism, including concave surface 4 and convex surface 3, the lateral surface of curved surface prism are provided with step chamfering 2, and step falls
Lateral surface is divided into major diameter side and path side by angle 2；Major diameter side cuts off the lateral surface of body for cylinder, and cylinder cuts off body
Cut off face for phase position planar end surface 1；Phase positioning planar end surface 1 is parallel with the optical axis 5 of concave surface.Phase position planar end surface 1 with
The optical axis 5 of concave surface is vertical with optical axis main cross section determined by the optical axis 6 on convex surface.The step surface of step chamfering 2 and the optical axis 5 of concave surface
Vertically.
A kind of curved surface prism component, including curved surface prism, frame 7, threaded ring 8 and locating piece 9；The endoporus of frame 7 is
Circular and with curved surface prism major diameter side coordinates, and the endoporus of frame 7 is provided with the locating slot 71 parallel with the optical axis of concave surface 5；It is bent
In the prism insertion frame 7 of face；Locating piece 9 cuts off body for cylinder and matches with cylinder where major diameter side；Outside locating piece 9
Side cambered surface is provided with fin 91 matched with locating slot 71；Threaded ring 8 can screw in the endoporus of frame 7 and be pressed in step chamfering 2
Step surface on.
The processing method of the curved surface prism component, comprises the following steps：
1) processing curve prism 10：Process convex surface 3, concave surface 4 and cylindrical, it is desirable to cylindrical concentric with concave surface；Add on cylindrical
Work step chamfering 2, it is desirable to which the step surface of step chamfering is vertical with the optical axis of concave surface, and threaded ring easy to use is fixed；
Phase positioning planar end surface 1 is processed on cylindrical major diameter periphery, it is desirable to which phase positions optical axis 5 He of the planar end surface 1 perpendicular to concave surface
Optical axis main cross section determined by the optical axis 6 on convex surface, for carrying out the phase of positioning prism, prevents installation rear prism from rotating.
2) curved surface prism is installed：Curved surface prism 10 is installed in frame 7, using locating piece 9 to curved surface prism 10 into
Row is spacing, for limiting the relative rotation of prism and frame, and realizes the positioning of phase；Platform is torqued-up to by threaded ring 8
Curved surface prism 10 and locating piece 9 is fixed in the mode of terrace, forms curved surface prism component.Wherein, using locating piece 9 to song
The specific method that the progress of face prism 10 is spacing is using the fin 91 on locating piece 9 and the locating slot 71 on the endoporus of frame 7
What the mode of cooperation was realized.
Claims (8)
1. a kind of curved surface prism, including concave surface (4) and convex surface (3), it is characterised in that：The lateral surface of the curved surface prism is provided with
Lateral surface is divided into major diameter side and path side by step chamfering (2), the step chamfering (2)；The major diameter side is cylinder
Shape cuts off the lateral surface of body, and the face of cutting off that the cylinder cuts off body positions planar end surface (1) for phase；The phase positions flush end
Face (1) is parallel with the optical axis (5) of concave surface.
2. curved surface prism according to claim 1, it is characterised in that：The phase positioning planar end surface (1) and the light of concave surface
Optical axis main cross section determined by axis (5) and the optical axis (6) on convex surface is vertical.
3. curved surface prism according to claim 1 or 2, it is characterised in that：The step surface of the step chamfering (2) and concave surface
Optical axis (5) it is vertical.
4. a kind of curved surface prism component, including curved surface prism, the curved surface prism includes concave surface (4) and convex surface (3), its feature exist
In：Further include frame (7), threaded ring (8) and locating piece (9)；The curved surface prism further includes the phase for being arranged on lateral surface
Planar end surface (1) and step chamfering (2) are positioned, lateral surface is divided into major diameter side and path side by the step chamfering (2), described
Phase positioning planar end surface (1) is parallel and on path side；The endoporus of the frame (7) is circular and big with curved surface prism
Footpath side coordinates, and the endoporus of the frame (7) is provided with the locating slot (71) parallel with the optical axis of concave surface (5)；The curved surface prism
In embedded frame (7)；The locating piece (9) cuts off body for cylinder and matches with cylinder where major diameter side；It is described fixed
Cambered surface is provided with and locating slot (71) matched fin (91) on the outside of position block (9)；The threaded ring (8) can screw in frame (7)
Endoporus and be pressed on the step surface of step chamfering (2).
5. curved surface prism component according to claim 4, it is characterised in that：The phase positioning planar end surface (1) and concave surface
Optical axis (5) and convex surface optical axis (6) determined by optical axis main cross section it is vertical.
6. curved surface prism component according to claim 4 or 5, it is characterised in that：The step surface of the step chamfering (2) with
The optical axis (5) of concave surface is vertical.
A kind of 7. processing method of curved surface prism component, it is characterised in that：Comprise the following steps：
1) processing curve prism (10)：
Process convex surface (3), concave surface (4) and cylindrical, it is desirable to cylindrical concentric with concave surface；Processing step chamfering (2) on cylindrical, it is desirable to
The step surface of step chamfering is vertical with the optical axis of concave surface；Phase positioning planar end surface (1) is processed on cylindrical major diameter periphery,
Phase is asked to position planar end surface (1) perpendicular to optical axis main cross section determined by the optical axis (5) of concave surface and the optical axis (6) on convex surface；
2) curved surface prism is installed：
Curved surface prism (10) is installed in frame (7), it is spacing using carry out of the locating piece (9) to curved surface prism (10), pass through
Curved surface prism (10) and locating piece (9) is fixed in the mode that threaded ring (8) is torqued-up to step surface, forms curved surface prism group
Part.
8. the processing method of curved surface prism component according to claim 7, it is characterised in that：
It is to use locating piece that the spacing specific method of progress of the locating piece (9) to curved surface prism (10) is used in the step 2)
(9) what the mode that the fin (91) on coordinates with the locating slot (71) on the endoporus of frame (7) was realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711467129.3A CN108037558A (en) | 2017-12-28 | 2017-12-28 | Curved surface prism, curved surface prism component and its processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711467129.3A CN108037558A (en) | 2017-12-28 | 2017-12-28 | Curved surface prism, curved surface prism component and its processing method |
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| Publication Number | Publication Date |
|---|---|
| CN108037558A true CN108037558A (en) | 2018-05-15 |
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ID=62097903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711467129.3A Pending CN108037558A (en) | 2017-12-28 | 2017-12-28 | Curved surface prism, curved surface prism component and its processing method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110941037A (en) * | 2019-12-16 | 2020-03-31 | 中国科学院长春光学精密机械与物理研究所 | Processing tool and processing method for Fery prism |
| CN112083546A (en) * | 2020-09-08 | 2020-12-15 | 中国科学院西安光学精密机械研究所 | Flexible supporting device and method for installing and adjusting square curved surface prism by using same |
| CN113960744A (en) * | 2021-11-05 | 2022-01-21 | 中国工程物理研究院机械制造工艺研究所 | Clamp for clamping wedge-shaped mirror, wedge-shaped mirror and optical device |
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| CN106405778A (en) * | 2016-09-26 | 2017-02-15 | 中国科学院上海光学精密机械研究所 | Large-aperture focusing lens unstressed clamping mechanism |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110941037A (en) * | 2019-12-16 | 2020-03-31 | 中国科学院长春光学精密机械与物理研究所 | Processing tool and processing method for Fery prism |
| CN112083546A (en) * | 2020-09-08 | 2020-12-15 | 中国科学院西安光学精密机械研究所 | Flexible supporting device and method for installing and adjusting square curved surface prism by using same |
| CN112083546B (en) * | 2020-09-08 | 2023-09-08 | 中国科学院西安光学精密机械研究所 | Flexible supporting device and method for adjusting square curved prism by using same |
| CN113960744A (en) * | 2021-11-05 | 2022-01-21 | 中国工程物理研究院机械制造工艺研究所 | Clamp for clamping wedge-shaped mirror, wedge-shaped mirror and optical device |
| CN113960744B (en) * | 2021-11-05 | 2023-09-12 | 中国工程物理研究院机械制造工艺研究所 | Clamp for clamping wedge-shaped mirror, wedge-shaped mirror and optical device |
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