CN114035299B - Shaft penetrating adjustment method for Buchner prism - Google Patents
Shaft penetrating adjustment method for Buchner prism Download PDFInfo
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- CN114035299B CN114035299B CN202111397298.0A CN202111397298A CN114035299B CN 114035299 B CN114035299 B CN 114035299B CN 202111397298 A CN202111397298 A CN 202111397298A CN 114035299 B CN114035299 B CN 114035299B
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- reticle
- light pipe
- prism
- dimensional adjustable
- focusing light
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000000149 penetrating effect Effects 0.000 title abstract description 7
- 239000011248 coating agent Substances 0.000 claims abstract description 74
- 238000000576 coating method Methods 0.000 claims abstract description 74
- 230000003287 optical effect Effects 0.000 claims abstract description 37
- 238000003384 imaging method Methods 0.000 claims description 27
- 230000001678 irradiating effect Effects 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 230000004069 differentiation Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 2
- 239000007888 film coating Substances 0.000 description 5
- 238000009501 film coating Methods 0.000 description 5
- 230000006340 racemization Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011378 penetrating method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
- G02B7/18—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)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
Abstract
The invention belongs to the technical field of optical design and adjustment test, and particularly relates to a shaft penetrating adjustment method for a Buddha prism. When the optical axis of the four-dimensional adjustable center coating reticle is consistent with the optical axis of the internal focusing light pipe, the collimation surface of the four-dimensional adjustable center coating reticle is the coating surface of the reticle, parallel light emitted by the internal focusing light pipe can irradiate onto the other Han prism through the reticle and image on the other internal focusing light pipe, the adjustment error caused by the parallel difference of the reticle can be effectively eliminated, the adjustment precision of the Han prism through-axis is effectively improved, and the method can be applied to all Han prism through-axis adjustment.
Description
Technical Field
The invention belongs to the technical field of optical design and adjustment test, and particularly relates to a shaft penetrating adjustment method for a Buddha prism.
Background
The Pehan prism is a compound prism, which consists of a half pentagonal prism and a Schmidt prism and is mainly used for optical system image-eliminating rotation. The rotation of the Pehan prism causes the rotation angle of the image to be equal to twice the rotation angle of the Pehan prism, and the rotation direction of the image is the same as the rotation direction of the prism. Usually, the Buchner prism is positioned in a rotary shaft system, and the consistency of the optical axis of the Buchner prism and the rotary shaft of the racemization machine is ensured by shaft penetrating adjustment. The common shaft penetrating method is characterized in that the consistency adjustment of the optical axis of the four-dimensional adjustable reticle and the rotation shaft of the racemization machine is realized through the four-dimensional adjustable reticle and the internal focusing light pipe, and the consistency adjustment of the optical axis of the four-dimensional adjustable reticle and the optical axis of the allophan prism is realized through adjusting the posture of the allophan prism and observing with the other internal focusing light pipe, so that the shaft penetrating adjustment of the allophan prism and the rotation shaft of the racemization machine is realized. However, the parallel difference of the four-dimensional adjustable reticle itself may introduce an adjustment error into the axis-passing adjustment of the Buchner prism, resulting in a decrease in axis-passing accuracy.
Disclosure of Invention
In view of this, the invention provides a new pin-through adjustment method for the pin-through prism, which can effectively eliminate the adjustment error introduced by the parallel difference of the four-dimensional adjustable reticle, and improve the pin-through adjustment precision of the pin-through prism.
In order to achieve the technical purpose, the invention adopts the following specific technical scheme:
an axle penetrating adjustment method for a Buchner prism, which is used for installing the Buchner prism into a rotary shaft system, is realized by the following mechanisms:
a first inner focusing light pipe;
the four-dimensional adjustable center coating reticle is fixed on the inner shaft of the rotary shaft system and can rotate along with the rotary shaft system;
a second inner focusing light pipe;
wherein: the center area of the four-dimensional adjustable center coating reticle is provided with a reflecting film, and a light-transmitting cross line is etched in the center of the reflecting film;
the adjustment method comprises the following steps:
s101, fixing a rotary shaft system provided with a four-dimensional adjustable center coating reticle between the first internal focusing light pipe and the second internal focusing light pipe through an outer seat of the rotary shaft system;
s102, observing the optical axis of the four-dimensional adjustable center coating reticle by using a first internal focusing light pipe, adjusting the posture of the four-dimensional adjustable center coating reticle to enable the optical axis to be consistent with the mechanical rotation axis of a rotation shaft system, and adjusting the posture of the first internal focusing light pipe to enable the optical axis to be consistent with the optical axis of the four-dimensional adjustable center coating reticle;
s103, loading the Buchner prism into an inner shaft of a rotary shaft system, transmitting parallel light emitted by a first inner focusing light pipe through a four-dimensional adjustable center coating reticle and the Buchner prism, and imaging the parallel light on a second inner focusing light pipe to form a first imaging; irradiating a reticle of the four-dimensional adjustable center coating reticle with a limited light source, transmitting the reticle through the four-dimensional adjustable center coating reticle and the Buchner prism, and imaging in a second inner focusing light pipe to form a second imaging;
s104, rotating an inner shaft of a rotary shaft system; observing the circle-drawing amounts of the first imaging and the second imaging;
s105, adjusting the gesture of the Pehan prism until the circle drawing amount of the first imaging and the second imaging is minimum; that is, the optical axis of the Pehan prism is consistent with the mechanical rotation axis of the rotation axis system.
Further, the method for adjusting the posture of the four-dimensional adjustable center coating reticle to enable the optical axis of the four-dimensional adjustable center coating reticle to be consistent with the mechanical rotation axis of the rotation axis system comprises the following steps:
s201, the first internal focusing light pipe emits parallel light, and the parallel light is reflected by the four-dimensional adjustable center coating reticle and imaged on the first internal focusing light pipe to form a reflected image; irradiating a reticle of the four-dimensional adjustable center coating reticle with a limited light source, transmitting through the four-dimensional adjustable center coating reticle, and imaging on a first internal focusing light pipe to form a differentiated image;
s202, rotating an inner shaft of a rotary shaft system; observing the circle drawing amount of the reflected image and the differentiated image;
s203, adjusting the gesture of the four-dimensional adjustable center coating reticle until the circle drawing quantity of the reflection image and the differentiation image is minimum.
Further, the reflective film is a metal film.
Further, the reflective film is circular in shape.
Further, the diameter of the reflecting film is half of the caliber of the first inner focusing light pipe and the caliber of the second inner focusing light pipe.
Further, the diameters of the four-dimensional adjustable center coating reticle are not smaller than the calibers of the first internal focusing light pipe and the second internal focusing light pipe;
the installation direction of the four-dimensional adjustable center coating reticle on the inner shaft is that a coating surface faces to the Buchner prism.
By adopting the technical scheme, the invention has the following beneficial effects:
when the optical axis of the four-dimensional adjustable center coating reticle is consistent with the optical axis of the internal focusing light pipe, the collimation surface of the four-dimensional adjustable center coating reticle is the coating surface of the reticle, parallel light emitted by the internal focusing light pipe can irradiate onto the other Han prism through the reticle and image on the other internal focusing light pipe, the adjustment error caused by the parallel difference of the reticle can be effectively eliminated, the adjustment precision of the Han prism through-axis is effectively improved, and the method can be applied to all Han prism through-axis adjustment.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.
FIG. 1 is a schematic diagram of a four-dimensional tunable center coating reticle design in accordance with an embodiment of the present invention;
FIG. 2 is a schematic diagram of the shaft-penetrating adjustment of a Pehan prism according to an embodiment of the present invention;
wherein: 1. a first inner focusing light pipe; 2. a second inner focusing light pipe; 3. four-dimensional adjustable center coating reticle; 4. a limited light source; 5. a Pehan prism; 6. a rotating shaft system; 7. an optical platform.
Detailed Description
Embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.
Other advantages and effects of the present disclosure will become readily apparent to those skilled in the art from the following disclosure, which describes embodiments of the present disclosure by way of specific examples. It will be apparent that the described embodiments are merely some, but not all embodiments of the present disclosure. The disclosure may be embodied or practiced in other different specific embodiments, and details within the subject specification may be modified or changed from various points of view and applications without departing from the spirit of the disclosure. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. All other embodiments, which can be made by one of ordinary skill in the art without inventive effort, based on the embodiments in this disclosure are intended to be within the scope of this disclosure.
It is noted that various aspects of the embodiments are described below within the scope of the following claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the present disclosure, one skilled in the art will appreciate that one aspect described herein may be implemented independently of any other aspect, and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. In addition, such apparatus may be implemented and/or such methods practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.
It should also be noted that the illustrations provided in the following embodiments merely illustrate the basic concepts of the disclosure by way of illustration, and only the components related to the disclosure are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.
In addition, in the following description, specific details are provided in order to provide a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects may be practiced without these specific details.
In one embodiment of the present invention, a shaft penetration adjustment method for a turner prism 5 is provided, for installing the turner prism 5 into a rotating shaft system 6, wherein the adjustment method is implemented by the following mechanisms, as shown in fig. 2, and the mechanisms comprise:
a first inner focusing light pipe 1;
the four-dimensional adjustable center coating reticle 3 is fixed on the inner shaft of the rotary shaft system 6 and can rotate along with the rotary shaft system 6;
a second inner focusing light pipe 2;
wherein: a reflecting film is arranged in the central area of the four-dimensional adjustable center coating reticle 3, and a light-transmitting cross line is etched in the center of the reflecting film;
the adjustment method comprises the following steps:
s101, fixing a rotary shaft system 6 provided with a four-dimensional adjustable center coating reticle 3 between a first inner focusing light pipe 1 and a second inner focusing light pipe 2 through an outer seat of the rotary shaft system;
s102, observing the optical axis of the four-dimensional adjustable center coating reticle 3 by using a first internal focusing light pipe 1, adjusting the posture of the four-dimensional adjustable center coating reticle 3 to enable the optical axis to be consistent with the mechanical rotating shaft of a rotating shaft system 6, and adjusting the posture of the first internal focusing light pipe 1 to enable the optical axis to be consistent with the optical axis of the four-dimensional adjustable center coating reticle 3;
s103, loading the Buchner prism 5 into the inner shaft of a rotary shaft system 6, transmitting parallel light by the first internal focusing light pipe 1 through the four-dimensional adjustable center coating reticle 3 and the Buchner prism 5, and imaging on the second internal focusing light pipe 2 to form a first imaging; irradiating a cross line of the four-dimensional adjustable center coating reticle 3 by using a limited light source 4, and imaging the cross line on a second internal focusing light pipe 2 after the cross line is transmitted by the four-dimensional adjustable center coating reticle 3 and a Buchner prism 5 to form a second imaging;
s104, rotating the inner shaft of the rotary shaft system 6; observing the circle-drawing amounts of the first imaging and the second imaging;
s105, adjusting the posture of the Pehan prism 5 until the circle drawing amount of the first imaging and the second imaging is minimum; i.e. the optical axis of the biehan prism 5 coincides with the mechanical rotation axis of the rotation axis system 6.
In this embodiment, the method for adjusting the posture of the four-dimensional adjustable center coating reticle 3 to make the optical axis of the four-dimensional adjustable center coating reticle coincide with the mechanical rotation axis of the rotation axis system 6 is as follows:
s201, the first internal focusing light pipe 1 emits parallel light, and the parallel light is reflected by the four-dimensional adjustable center coating reticle 3 and then imaged on the first internal focusing light pipe 1 to form a reflection image; irradiating a cross line of the four-dimensional adjustable center coating reticle 3 by using a limited light source 4, and forming a differentiated image by imaging the cross line on the first internal focusing light pipe 1 after the cross line is transmitted by the four-dimensional adjustable center coating reticle 3;
s202, rotating an inner shaft of the rotary shaft system 6; observing the circle drawing amount of the reflected image and the differentiated image;
s203, adjusting the posture of the four-dimensional adjustable center coating reticle 3 until the circle drawing amount of the reflected image and the differentiated image is minimum.
In this embodiment, the reflective film is a metal film.
In this embodiment, the reflective film is circular in shape.
In this embodiment, the diameter of the reflective film is half the caliber of the first and second internal focusing light pipes 1 and 2.
In the embodiment, the diameters of the four-dimensional adjustable center coating reticle 3 are not smaller than the calibers of the first internal focusing light pipe 1 and the second internal focusing light pipe 2;
the four-dimensional adjustable center coating reticle 3 is arranged in the inner shaft in the mounting direction of the inner shaft, and the coating surface faces the Pehan prism 5.
Further description of the invention, the specific embodiments of the invention are as follows
1) As shown in fig. 1, a metal film is plated on the central area of the four-dimensional adjustable central coating reticle 3, the diameter of the coating area is D0, a cross line is etched in the center, the diameter of the four-dimensional adjustable central coating reticle 3 is D1, the diameters of the first internal focusing light pipe 1 and the second internal focusing light pipe 2 are the same, D2 is adopted, d0=d2/2, and d1 is larger than or equal to D2;
2) As shown in fig. 2, a first internal focusing light pipe 1, a second internal focusing light pipe 2 and a rotary shaft system 6 are fixed on an optical platform 7, a four-dimensional adjustable center coating reticle 3 is arranged on the rotary shaft system 6, and a coating surface faces to the installation position of a turner prism 5;
3) A rotary shaft system 6 is rotated, a limited light source 4 irradiates the cross line of the four-dimensional adjustable center coating film reticle 3, the differentiated image circle drawing amount of the four-dimensional adjustable center coating film reticle 3 is observed by adjusting the focal length of the first internal focusing light pipe 1, the collimated image circle drawing amount of the four-dimensional adjustable center coating film reticle 3 is observed by adjusting the focal length of the first internal focusing light pipe 1 to infinity, the posture of the four-dimensional adjustable center coating film reticle 3 is adjusted to minimize the circle drawing amount, and then the optical axis of the four-dimensional adjustable center coating film reticle 3 is consistent with the mechanical rotary shaft of the rotary shaft system 6;
4) The translation and the inclination of the first internal focusing light pipe 1 are adjusted to enable the differentiated image and the collimated image to be positioned at the center of the first internal focusing light pipe 1, so that the optical axis of the first internal focusing light pipe is consistent with the optical axis of the four-dimensional adjustable center coating reticle 3;
5) The Buchner prism 5 is arranged in the rotary shaft 6, the focal length of the first internal focusing light pipe 1 is adjusted to infinity so as to emit parallel light, the parallel light is transmitted by the non-film-coating area of the four-dimensional adjustable center film-coating reticle 3 and transmitted by the Buchner prism 5 and imaged on the second internal focusing light pipe 2, the rotary shaft 6 observes the circle drawing amount of the alignment image, the limited light source 4 irradiates the cross line of the four-dimensional adjustable center film-coating reticle 3, the parallel light is transmitted by the film-coating area of the four-dimensional adjustable center film-coating reticle 3 and transmitted by the Buchner prism 5 and imaged on the second internal focusing light pipe 2, and the rotary shaft 6 observes the circle drawing amount of the cross-shaped differential image;
6) The inclination and translation of the Buchner prism 5 are adjusted to minimize the circle drawing amount of the collimation image and the cross differentiation image, and when the optical axis of the Buchner prism 5 is consistent with the optical axis of the four-dimensional adjustable center coating reticle 3, the optical axis of the Buchner prism 5 is consistent with the mechanical rotation axis of the rotation axis system 6.
The foregoing is merely specific embodiments of the disclosure, but the protection scope of the disclosure is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the disclosure are intended to be covered by the protection scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides a do-it-youhan prism wears axle adjustment method for install do-you-youhan prism in the gyration shafting, its characterized in that, the adjustment method is realized through following mechanism, the mechanism includes:
a first inner focusing light pipe;
the four-dimensional adjustable center coating reticle is fixed on the inner shaft of the rotary shaft system and can rotate along with the rotary shaft system;
a second inner focusing light pipe;
wherein: the center area of the four-dimensional adjustable center coating reticle is provided with a reflecting film, and a light-transmitting cross line is etched in the center of the reflecting film;
the adjustment method comprises the following steps:
s101, fixing a rotary shaft system provided with a four-dimensional adjustable center coating reticle between the first internal focusing light pipe and the second internal focusing light pipe through an outer seat of the rotary shaft system;
s102, observing the optical axis of the four-dimensional adjustable center coating reticle by using a first internal focusing light pipe, adjusting the posture of the four-dimensional adjustable center coating reticle to enable the optical axis to be consistent with the mechanical rotation axis of a rotation shaft system, and adjusting the posture of the first internal focusing light pipe to enable the optical axis to be consistent with the optical axis of the four-dimensional adjustable center coating reticle;
s103, loading the Buchner prism into an inner shaft of a rotary shaft system, transmitting parallel light emitted by a first inner focusing light pipe through a four-dimensional adjustable center coating reticle and the Buchner prism, and imaging the parallel light on a second inner focusing light pipe to form a first imaging; irradiating a reticle of the four-dimensional adjustable center coating reticle with a limited light source, transmitting the reticle through the four-dimensional adjustable center coating reticle and the Buchner prism, and imaging in a second inner focusing light pipe to form a second imaging;
s104, rotating an inner shaft of a rotary shaft system; observing the circle-drawing amounts of the first imaging and the second imaging;
s105, adjusting the gesture of the Pehan prism until the circle drawing amount of the first imaging and the second imaging is minimum; that is, the optical axis of the Pehan prism is consistent with the mechanical rotation axis of the rotation axis system.
2. The turnout method of the turnout prism according to claim 1, wherein: the method for adjusting the gesture of the four-dimensional adjustable center coating reticle to enable the optical axis of the four-dimensional adjustable center coating reticle to be consistent with the mechanical rotation axis of the rotation axis system comprises the following steps:
s201, the first internal focusing light pipe emits parallel light, and the parallel light is reflected by the four-dimensional adjustable center coating reticle and imaged on the first internal focusing light pipe to form a reflected image; irradiating a reticle of the four-dimensional adjustable center coating reticle with a limited light source, transmitting through the four-dimensional adjustable center coating reticle, and imaging on a first internal focusing light pipe to form a differentiated image;
s202, rotating an inner shaft of a rotary shaft system; observing the circle drawing amount of the reflected image and the differentiated image;
s203, adjusting the gesture of the four-dimensional adjustable center coating reticle until the circle drawing quantity of the reflection image and the differentiation image is minimum.
3. The turnout method of the turnout prism according to claim 1, wherein: the reflective film is a metal film.
4. The turnout method of the turnout prism according to claim 1, wherein: the reflective film is circular in shape.
5. The method for adjusting the penetration axis of the Pehan prism according to claim 4, wherein the method comprises the following steps: the diameter of the reflecting film is half of the caliber of the first inner focusing light pipe and the caliber of the second inner focusing light pipe.
6. The turnout method of the turnout prism according to claim 1, wherein: the diameters of the four-dimensional adjustable center coating reticle are not smaller than the calibers of the first internal focusing light pipe and the second internal focusing light pipe;
the installation direction of the four-dimensional adjustable center coating reticle on the inner shaft is that a coating surface faces to the Buchner prism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111397298.0A CN114035299B (en) | 2021-11-23 | 2021-11-23 | Shaft penetrating adjustment method for Buchner prism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111397298.0A CN114035299B (en) | 2021-11-23 | 2021-11-23 | Shaft penetrating adjustment method for Buchner prism |
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| Publication Number | Publication Date |
|---|---|
| CN114035299A CN114035299A (en) | 2022-02-11 |
| CN114035299B true CN114035299B (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111397298.0A Active CN114035299B (en) | 2021-11-23 | 2021-11-23 | Shaft penetrating adjustment method for Buchner prism |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008097720A (en) * | 2006-10-12 | 2008-04-24 | Pentax Corp | Optical axis adjusting device of optical pickup and optical axis adjusting method |
| CN103226234A (en) * | 2013-04-01 | 2013-07-31 | 西安应用光学研究所 | Method for adjusting optical axis of Pechan prism |
| CN109283652A (en) * | 2018-11-19 | 2019-01-29 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of Method of Adjustment of benhain prism racemization component optical axis |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210867986U (en) * | 2020-01-15 | 2020-06-26 | 中强光电股份有限公司 | Optical machine module and projection device |
-
2021
- 2021-11-23 CN CN202111397298.0A patent/CN114035299B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008097720A (en) * | 2006-10-12 | 2008-04-24 | Pentax Corp | Optical axis adjusting device of optical pickup and optical axis adjusting method |
| CN103226234A (en) * | 2013-04-01 | 2013-07-31 | 西安应用光学研究所 | Method for adjusting optical axis of Pechan prism |
| CN109283652A (en) * | 2018-11-19 | 2019-01-29 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of Method of Adjustment of benhain prism racemization component optical axis |
Non-Patent Citations (1)
| Title |
|---|
| 别汉棱镜的旋像精度分析和装校方法;蒋世磊;光电工程(第06期);52-58 * |
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