CN117782543B - Beam reference transmission device and method thereof - Google Patents
Beam reference transmission device and method thereof Download PDFInfo
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- CN117782543B CN117782543B CN202410211390.0A CN202410211390A CN117782543B CN 117782543 B CN117782543 B CN 117782543B CN 202410211390 A CN202410211390 A CN 202410211390A CN 117782543 B CN117782543 B CN 117782543B
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- 230000003287 optical effect Effects 0.000 claims description 14
- 238000005259 measurement Methods 0.000 claims description 5
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Abstract
The invention provides a light beam reference transmission device and a method thereof, wherein the light beam reference transmission device comprises a light beam reference transmission device body, a reference guide rail, a first detected guide rail, a second detected guide rail, a data terminal, a laser and a light spot position detector, a two-way angle adjustable mechanism, a rotating head and an electronic level meter are arranged in the light beam reference transmission device body, two sides of the interior of the two-way angle adjustable mechanism are respectively provided with a hole site, the two hole sites respectively comprise a left side mounting hole and a right side mounting hole, one side of the two-way angle adjustable mechanism is in threaded connection with a rotating head fixing screw, the two-way angle adjustable mechanism is connected with one side of the rotating head through the rotating head fixing screw, the electronic level meter is arranged at the top end of the rotating head, the reference guide rail, the first detected guide rail and the second detected guide rail are sequentially and parallelly distributed, and the light beam reference transmission device body and the light spot position detector are arranged on the reference guide rail.
Description
Technical Field
The invention relates to the technical field of beam reference transmission, in particular to a beam reference transmission device and a method thereof.
Background
During the measurement process, accurate beam reference delivery is important to ensure measurement accuracy. The current common beam reference transmission method mainly comprises a prism and a prism group. Taking a conventional pentaprism as an example, a single pentaprism can only transmit a straight beam in one direction. And the prism group needs to ensure the strict positional relationship among the prisms to realize the precision of the light beam reference transmission in the three-dimensional space.
Aiming at the problems, the invention provides a novel beam reference transmission device and a method thereof, which realize high-precision transmission of a beam reference in a three-dimensional space and solve the problems existing in the traditional method.
Disclosure of Invention
The invention provides a beam reference transmission device and a beam reference transmission method based on a pentaprism and an electronic level meter.
In view of the above problems, the technical scheme provided by the invention is as follows:
The utility model provides a light beam benchmark transfer device, includes light beam benchmark transfer device body, benchmark guide rail, survey guide rail one, survey guide rail two, data terminal, laser instrument and facula position detector, the inside of light beam benchmark transfer device body is equipped with two-way angle adjustable mechanism, rotating head and electron level gauge, the hole site is seted up respectively to two inside both sides of two-way angle adjustable mechanism, two the hole site includes left side mounting hole and right side mounting hole respectively, one side threaded connection of two-way angle adjustable mechanism has rotating head set screw, two-way angle adjustable mechanism passes through rotating head set screw with one side of rotating head is connected, just the electron level gauge is installed the top of rotating head, benchmark guide rail, survey guide rail one and survey guide rail two are parallel distribution in proper order, light beam benchmark transfer device body and facula position detector are installed benchmark guide rail, survey guide rail one with the top of survey guide rail two arbitrary one side of light beam benchmark transfer device body is in same horizontal line, constitute wireless data connection between data terminal and the light beam benchmark transfer device body, five internal reflection mirror installs one side of rotating head, five reflection mirror installs.
In order to better realize the technical scheme of the invention, the following technical measures are adopted.
Further, an adjusting screw is arranged at the rear end of the bidirectional angle adjusting mechanism, and a rotating head fine adjusting screw is arranged at the top end of the bidirectional angle adjusting mechanism.
A method of beam reference delivery apparatus comprising the steps of:
S1, installing a laser at one end of a reference guide rail, so that the direction of a laser beam L0 is approximately perpendicular to the reference guide rail;
S2, erecting a spot position detector capable of moving along the axial direction on a reference guide rail, wherein the spot position detector adopts measures including but not limited to a moving slide block, and a light beam reference transmission device body is arranged at one end of the reference guide rail and positioned in front of a laser;
s3, adjusting the position and the direction of a laser, and irradiating a laser beam L0 onto a pentaprism;
S4, adjusting the left-right deflection direction of the beam reference transmission device body by using an adjusting screw at the rear end of the two-way angle adjusting mechanism, so that the laser beam L0 is approximately incident on the center of a plane mirror of the optical plate and can return in an original way, the optical plate is pulled out, and 90-degree refraction is realized after the laser beam L0 passes through a pentaprism, so that the laser beam L1 is obtained;
S5, arranging two measurement reference points P11 and P12 at the moving near end and the moving far end of the reference guide rail, and enabling the light spot position detector to move back and forth between the P11 and the P12;
S6, moving the light spot position detector to P11, so that the laser beam L1 is emitted to the light spot position detector, and the light spot position detector records a two-dimensional coordinate value (x 11, y 11);
S7, moving the spot position detector to P12, wherein coordinate values (x 12, y 12) recorded on the spot position detector at the moment;
s8, adjusting the rotating head of the laser and the light beam reference transmission device body to enable the laser beam L1 to realize bidirectional adjustment of height and level, wherein the (x 12, y 12) measured by the light spot position detector is close to (x 11, y 11);
s9, repeating the steps S5-S7, so that two coordinate values of (x 12, y 12) and (x 11, y 11) gradually tend to be consistent, and ending the adjustment of the laser and the rotating head of the light beam reference transmission device body when the difference value of the two coordinate values is smaller than a set value;
S10, after the step is finished, accurate transmission of the light beam datum on the datum guide rail is realized, namely L1 and L0 have a vertical geometric relationship in a three-dimensional space, at the moment, the reading of the electronic level instrument is set to be zero, and meanwhile, the laser transmitter needs to be kept stationary;
S11, erecting a movable spot position detector on a first detected guide rail, and adopting measures including but not limited to moving a sliding block;
S12, when the tested guide rail I carries out the retransmission of the light beam reference, a light beam L2 is obtained according to the mode of the S4 adjusting device;
s13, adjusting the reading of the electronic level to a zero position by adjusting a rotating head, and utilizing a rotating head fixing screw at the side of the bidirectional angle adjustable mechanism to enable the reading of the electronic level to be kept at the zero position, wherein at the moment, L2 and L1 are spatially parallel in the horizontal direction and the height direction, L2 and L1 respectively have a vertical geometric relationship with L0 in a three-dimensional space, so that the second transmission of a light beam reference is realized;
S14, setting m measuring points on the first measured guide rail, determining according to the actual first measured guide rail, and erecting a movable light spot position detector on the first measured guide rail, wherein the light spot position detector records the L2 and the position deviation of the first measured guide rail in the horizontal direction and the height direction And/>And calculating the parallelism errors of the reference guide rail and the measured guide rail in a horizontal direction and a vertical direction by using a least square method or other parallelism error assessment methods;
S15, transmitting the beam reference on the second tested guide rail at each different position, and repeating the steps S11-S13.
Compared with the prior art, the invention has the beneficial effects that:
Compared with the traditional single prism or prism group, the invention can realize the parallel of the horizontal direction and the high-low direction of the light beam in space, improves the efficiency, reduces the accumulated error, has high precision, simple operation and strong applicability, wherein the penta prism and the electronic level meter are used for realizing the parallel of the space in the horizontal direction and the high-low direction of the light beam, the support structure is used for maintaining the position and the direction of the device, so that the light beam reference is refracted through the penta prism and is transmitted by 90 degrees in the horizontal direction, the rotating head is fixedly arranged with the electronic level meter, the rotating head can drive the electronic level meter to realize 360 degrees of rotation in a vertical plane, and the electronic level meter is positioned at a specific angle through the fine tuning knob above, thereby realizing the adjustment of the high-low direction of the light beam reference, and a plane reflector is arranged on the light plate for determining the incident position and direction of the light beam reference.
The foregoing description is only an overview of the present invention, and is intended to be implemented in accordance with the teachings of the present invention in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present invention more readily apparent.
Drawings
FIG. 1 is a schematic perspective view of a beam reference transmitting device according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a beam reference transfer device according to an embodiment of the present invention;
Fig. 3 is a schematic diagram of a measuring method of a beam reference transmitting device according to an embodiment of the present invention.
Reference numerals: 1. a rotating head fine tuning screw; 2. an adjusting screw; 3. a fixing screw; 4. a swivel head set screw; 5. a bi-directional angle adjustable mechanism; 6. a rotating head; 7. a light plate; 8. a reflecting mirror; 9. an electronic level; 10. a left mounting hole; 11. a right side mounting hole; 12. a pentaprism; 13. a beam reference transmitting device body; 14. a laser; 15. a data terminal; 16. a reference rail; 17. a first guide rail to be tested; 18. and a second guide rail to be tested.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-3, a beam reference transmission device comprises a beam reference transmission device body 13, a reference guide rail 16, a first detected guide rail 17, a second detected guide rail 18, a data terminal 15, a laser 14 and a spot position detector, wherein a bidirectional angle adjustable mechanism 5, a rotating head 6 and an electronic level meter 9 are arranged in the beam reference transmission device body 13, two holes are respectively formed in two sides of the inside of the bidirectional angle adjustable mechanism 5, the two holes respectively comprise a left mounting hole 10 and a right mounting hole 11, one side of the bidirectional angle adjustable mechanism 5 is in threaded connection with a rotating head fixing screw 4, the bidirectional angle adjustable mechanism 5 is connected with one side of the rotating head 6 through the rotating head fixing screw 4, the electronic level meter 9 is mounted at the top end of the rotating head 6, the reference guide rail 16, the first detected guide rail 17 and the second detected guide rail 18 are sequentially distributed in parallel, the beam reference transmission device body 13 and the spot position detector are mounted at the top end of any one of the reference guide rail 16, the first detected guide rail 17 and the second detected guide rail 18, the laser 14 and one side of the beam reference transmission device body 13 are positioned at the same horizontal line, one side of the data terminal body 15 and one side of the optical beam reference transmission device body 13 are in the same data, one side of the data terminal body is in connection with the rotating head 7, the optical prism is mounted on one side of the rotating head 7, and the optical prism is mounted on one side of the rotating plate 7 is in the optical prism is mounted on the side of the rotating device, and the optical prism is in the optical prism 7, the optical prism is mounted on the side, the side is mounted on the side, and the optical prism 7 is mounted in the device, and the device is mounted on the side, and has the device is mounted device.
The embodiment of the invention is also realized by the following technical scheme.
Further, the rear end of the bidirectional angle adjusting mechanism 5 is provided with an adjusting screw 2, and the top end of the bidirectional angle adjusting mechanism 5 is provided with a rotating head fine adjusting screw 1.
Referring to fig. 1-3, the present invention also provides a method for a beam reference transmission device, comprising the following steps:
S1, mounting a laser 14 at one end of a reference guide rail 16 so that the direction of a laser beam L0 is approximately perpendicular to the reference guide rail 16;
S2, erecting a spot position detector capable of moving along the axial direction on a reference guide rail 16, wherein the spot position detector adopts measures including but not limited to a moving slide block, and a light beam reference transmission device body 13 is arranged at one end of the reference guide rail 16 and is positioned in front of a laser;
S3, adjusting the position and the direction of the laser 14, and irradiating a laser beam L0 onto the pentaprism 12;
S4, utilizing an adjusting screw 2 at the rear end of the bidirectional angle adjusting mechanism 5, and adjusting the left-right deflection direction of the beam reference transmission device body 13, so that a laser beam L0 is approximately incident on the center of a plane mirror 8 of the optical plate 7 and can return in the original way, and pulling out the optical plate 7, so that the laser beam L0 passes through a pentaprism 12 to realize 90-degree refraction and obtain a laser beam L1;
S5, arranging two measurement reference points P11 and P12 at the moving proximal end and the moving distal end of the reference guide rail 16, and enabling the spot position detector to move back and forth between the P11 and the P12;
S6, moving the light spot position detector to P11, so that the laser beam L1 is emitted to the light spot position detector, and the light spot position detector records a two-dimensional coordinate value (x 11, y 11);
S7, moving the spot position detector to P12, wherein coordinate values (x 12, y 12) recorded on the spot position detector at the moment;
s8, adjusting the laser 14 and the rotating head 6 of the beam reference transmission device body 13 to enable the laser beam L1 to realize bidirectional adjustment of height and level, wherein the (x 12, y 12) is close to (x 11, y 11) measured by the spot position detector;
S9, repeating S5-S7, so that two coordinate values of (x 12, y 12) and (x 11, y 11) gradually tend to be consistent, and ending the adjustment of the laser 14 and the rotating head 6 of the light beam reference transmission device body 13 when the difference value of the two coordinate values is smaller than a set value;
s10, after the step is finished, accurate transmission of the beam datum on the datum guide rail 16 is realized, namely L1 and L0 have a vertical geometric relationship in a three-dimensional space, at the moment, the reading of the electronic level instrument is set to be zero, and meanwhile, the laser transmitter needs to be kept stationary;
S11, erecting a movable spot position detector on a first guide rail 17 to be tested, wherein measures including but not limited to moving a sliding block are adopted;
S12, when the first guide rail 17 to be tested carries out the retransmission of the light beam reference, a light beam L2 is obtained in the mode of the S4 adjusting device;
S13, adjusting the reading of the electronic level 9 to a zero position by adjusting the rotating head 6, and fixing a screw by utilizing the rotating head 6 at the side of the bidirectional angle adjustable mechanism 5 to keep the reading of the electronic level 9 at the zero position, wherein at the moment, the L2 and the L1 are spatially parallel in the horizontal direction and the height direction, the L2 and the L1 respectively have a vertical geometric relationship with the L0 in a three-dimensional space, and the second transmission of the light beam reference is realized;
s14, setting m measuring points on the first measured guide rail 17, determining according to the first actual measured guide rail 17, and erecting a movable light spot position detector on the first measured guide rail 17, wherein the light spot position detector records the position deviation of L2 and the first measured guide rail 17 in the horizontal direction and the height direction And/>And calculating the parallelism errors of the reference guide rail 16 and the measured guide rail I17 in the horizontal direction and the high-low direction by using a least square method or other parallelism error assessment methods;
S15, transmitting the beam reference on the second guide rail 18 to be tested at each different position, and repeating the steps S11-S13.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (3)
1. The utility model provides a light beam benchmark transfer device, its characterized in that includes light beam benchmark transfer device body (13), benchmark guide rail (16), is surveyed guide rail one (17), is surveyed guide rail two (18), data terminal (15), laser instrument (14) and facula position detector, the inside of light beam benchmark transfer device body (13) is equipped with two-way angle adjustable mechanism (5), rotating head (6) and electron level (9), the hole site is seted up respectively to two inside both sides of two-way angle adjustable mechanism (5), two the hole site includes left side mounting hole (10) and right side mounting hole (11) respectively, one side threaded connection of two-way angle adjustable mechanism (5) has rotating head set screw (4), two-way angle adjustable mechanism (5) pass through rotating head set screw (4) with one side of rotating head (6) is connected, just electron level (9) are installed on the top of rotating head (6), benchmark guide rail one (17) and is surveyed guide rail two (18) are parallel distribution in proper order to be surveyed guide rail one, two-way position detector (13) are surveyed guide rail one side of light beam benchmark (16) and are by guide rail one (18), the laser device (14) and one side of the light beam reference transmission device body (13) are in the same horizontal line, a wireless data connection is formed between the data terminal (15) and the light beam reference transmission device body (13), a pentaprism (12) is installed in the rotating head (6), an optical plate (7) is installed on one side of the rotating head (6), and a reflecting mirror (8) is installed on one side of the optical plate (7).
2. A beam reference delivery device according to claim 1, wherein: the rear end of the bidirectional angle adjustable mechanism (5) is provided with an adjusting screw (2), and the top end of the bidirectional angle adjustable mechanism (5) is provided with a rotating head fine adjusting screw (1).
3. A method of using a beam reference delivery device as claimed in any one of claims 1 to 2, characterized in that: the method comprises the following steps:
s1, installing a laser (14) at one end of a reference guide rail (16) so that the direction of a laser beam L0 is approximately perpendicular to the reference guide rail (16);
s2, erecting a spot position detector capable of moving along the axial direction on a reference guide rail (16), wherein a measure including but not limited to a moving slide block is adopted, and a light beam reference transmission device body (13) is arranged at one end of the reference guide rail (16) and positioned in front of a laser;
s3, adjusting the position and the direction of a laser (14) and irradiating a laser beam L0 onto the pentaprism (12);
S4, utilizing an adjusting screw (2) at the rear end of the bidirectional angle adjusting mechanism (5) and adjusting the left-right deflection direction of the light beam reference transmission device body (13) so that a laser beam L0 is approximately incident on the center of a plane mirror (8) of the light plate (7) and can return in the original way, pulling out the light plate (7), and enabling the laser beam L0 to be refracted at 90 degrees after passing through a pentaprism (12) to obtain a laser beam L1;
s5, arranging two measurement reference points P11 and P12 at the moving near end and the moving far end of the reference guide rail (16), and enabling the spot position detector to move back and forth between the P11 and the P12;
S6, moving the light spot position detector to P11, so that the laser beam L1 is emitted to the light spot position detector, and the light spot position detector records a two-dimensional coordinate value (x 11, y 11);
S7, moving the spot position detector to P12, wherein coordinate values (x 12, y 12) recorded on the spot position detector at the moment;
s8, adjusting a laser (14) and a rotating head (6) of a beam reference transmission device body (13) to enable a laser beam L1 to realize bidirectional adjustment of height and level, wherein (x 12, y 12) measured by a light spot position detector is close to (x 11, y 11);
S9, repeating the steps S5-S7, so that two coordinate values of (x 12, y 12) and (x 11, y 11) gradually tend to be consistent, and ending the adjustment of the laser (14) and the rotating head (6) of the light beam reference transmission device body (13) when the difference value of the two coordinate values is smaller than a set value;
S10, after the step is finished, accurate transmission of the light beam datum on the datum guide rail (16) is realized, namely L1 and L0 have a vertical geometric relationship in a three-dimensional space, at the moment, the reading of the electronic level instrument is set to be zero, and meanwhile, the laser transmitter needs to be kept stationary;
S11, erecting a movable spot position detector on a first detected guide rail (17), and adopting measures including but not limited to moving a sliding block;
S12, when the first detected guide rail (17) carries out the retransmission of the light beam reference, a light beam L2 is obtained according to the mode of the S4 adjusting device;
S13, adjusting the reading of the electronic level meter (9) to a zero position by adjusting the rotating head (6), and fixing a screw by utilizing the rotating head (6) at the side of the bidirectional angle adjusting mechanism (5), so that the reading of the electronic level meter (9) is kept at the zero position, at the moment, the L2 and the L1 are spatially parallel in the horizontal direction and the high-low direction, the L2 and the L1 respectively have a vertical geometric relationship with the L0 in a three-dimensional space, and the second transmission of the light beam reference is realized;
S14, setting m measuring points on the first measured guide rail (17), determining according to the first actual measured guide rail (17), and erecting a movable light spot position detector on the first measured guide rail (17), wherein the light spot position detector records the position deviation between L2 and the first measured guide rail (17) in the horizontal direction and the height direction And/>And calculating the parallelism errors of the horizontal direction and the height direction of the reference guide rail (16) and the first guide rail (17) to be measured by using a least square method or other parallelism error assessment methods;
S15, transmitting the beam reference on the second guide rail (18) to be tested at each different position, and repeating the steps S11-S13.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410211390.0A CN117782543B (en) | 2024-02-27 | 2024-02-27 | Beam reference transmission device and method thereof |
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| CN202410211390.0A CN117782543B (en) | 2024-02-27 | 2024-02-27 | Beam reference transmission device and method thereof |
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| CN117782543B true CN117782543B (en) | 2024-05-14 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012068239A (en) * | 2010-09-24 | 2012-04-05 | Dr Johannes Heidenhain Gmbh | Optical position measurement mechanism |
| CN207741917U (en) * | 2017-12-28 | 2018-08-17 | 中国科学院西安光学精密机械研究所 | A kind of spectroscope measuring device that can accurately control incidence angle |
| CN112713932A (en) * | 2020-12-21 | 2021-04-27 | 中国科学院西安光学精密机械研究所 | Laser communication terminal optical path relay unit assembling and detecting system and detecting method based on same |
| CN113588216A (en) * | 2021-08-02 | 2021-11-02 | 中国科学院光电技术研究所 | Rapid high-precision calibrating device and method for optical zero position of polaroid |
| DE102020214566A1 (en) * | 2020-11-19 | 2022-05-19 | Robert Bosch Gesellschaft mit beschränkter Haftung | Determining device for determining the position and direction of a laser beam and system and method for adjusting the position and direction of a laser beam |
| CN115683566A (en) * | 2022-10-12 | 2023-02-03 | 中国航空工业集团公司洛阳电光设备研究所 | Light beam parallelism testing method |
| CN115752239A (en) * | 2022-11-25 | 2023-03-07 | 杭州光尺科技有限公司 | Device and method for measuring synchronism of movement mechanism |
| JP2023175606A (en) * | 2022-05-30 | 2023-12-12 | 哈▲尓▼▲濱▼工▲業▼大学 | Vertical laser pointing correction device and method based on wavefront homodyne interference |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8238008B2 (en) * | 2008-06-09 | 2012-08-07 | Trimble Navigation Limited | Laser transmitter and method |
-
2024
- 2024-02-27 CN CN202410211390.0A patent/CN117782543B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012068239A (en) * | 2010-09-24 | 2012-04-05 | Dr Johannes Heidenhain Gmbh | Optical position measurement mechanism |
| CN207741917U (en) * | 2017-12-28 | 2018-08-17 | 中国科学院西安光学精密机械研究所 | A kind of spectroscope measuring device that can accurately control incidence angle |
| DE102020214566A1 (en) * | 2020-11-19 | 2022-05-19 | Robert Bosch Gesellschaft mit beschränkter Haftung | Determining device for determining the position and direction of a laser beam and system and method for adjusting the position and direction of a laser beam |
| CN112713932A (en) * | 2020-12-21 | 2021-04-27 | 中国科学院西安光学精密机械研究所 | Laser communication terminal optical path relay unit assembling and detecting system and detecting method based on same |
| CN113588216A (en) * | 2021-08-02 | 2021-11-02 | 中国科学院光电技术研究所 | Rapid high-precision calibrating device and method for optical zero position of polaroid |
| JP2023175606A (en) * | 2022-05-30 | 2023-12-12 | 哈▲尓▼▲濱▼工▲業▼大学 | Vertical laser pointing correction device and method based on wavefront homodyne interference |
| CN115683566A (en) * | 2022-10-12 | 2023-02-03 | 中国航空工业集团公司洛阳电光设备研究所 | Light beam parallelism testing method |
| CN115752239A (en) * | 2022-11-25 | 2023-03-07 | 杭州光尺科技有限公司 | Device and method for measuring synchronism of movement mechanism |
Non-Patent Citations (2)
| Title |
|---|
| Characterization of Optical Aberrations with Scanning Pentaprism for Large Collimators;Kimia Mohammadi;《 2022 Conference on Lasers and Electro-Optics》;20220531;第1-2页 * |
| 五棱镜扫描法检测大口径平行光管光束平行性;华志远 等;《光学技术》;20210930;第47卷(第5期);第582-586页 * |
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