System and method for realizing high-precision gluing of Sagnac physical interferometer

An interferometer and high-precision technology, which is applied in the system field of realizing high-precision gluing of Sagnac solid interferometers, and can solve problems such as low installation and adjustment accuracy

Active Publication Date: 2018-12-28
XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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Problems solved by technology

[0005] In order to solve the problem of low installation and adjustment accuracy of the existing solid-type Sagnac interferometer, the present invention proposes a system for realizing high-precision gluing of the Sagnac solid interferometer. Precision adjustment

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  • System and method for realizing high-precision gluing of Sagnac physical interferometer
  • System and method for realizing high-precision gluing of Sagnac physical interferometer

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[0034] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0035] see figure 2 , a system for realizing high-precision gluing of Sagnac solid interferometers, including a horizontal platform 1, an object stage 2, an interferometer gluing base 3, a laser 4, a cross reticle 5, a collimator 6, a first theodolite 7, a second Two theodolites 8, a first autocollimator 9, a second autocollimator 10, an imaging lens 11, an imaging camera 12 and a computer 15.

[0036] Stage 2, laser 4, cross reticle 5, collimator 6, first theodolite 7, second theodolite 8, first autocollimator 9, second autocollimator 10, imaging lens 11 and imaging The cameras 12 are all arranged on the horizontal platform 1, and the glued base 3 of the interfer...

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Abstract

The invention belongs to the field of optical assembly, and particularly relates to a system and a method for realizing high-precision gluing of a Sagnac physical interferometer. According to the system and method for realizing the high-precision gluing of the Sagnac physical interferometer, the problem that the Sagnac physical interferometer has low assembly precision is solved. The system for realizing the high-precision gluing of the Sagnac physical interferometer comprises a horizontal platform, a specimen stage, an interferometer gluing base, a laser, a cross reticle, a collimator, a first theodolite, a second theodolite, a first self-collimation light tube, a second self- collimation light tube, an imaging lens, and an imaging camera; the laser, the collimator and the second theodolite are arranged in sequence, and the optical axes of the three are concentric; the cross reticle is located at the focal plane position of the collimator, and the first theodolite is concentric with the imaging lens and the optical axis of the imaging camera; the optical axis of the first theodolite is at an angle of 90 degree with the optical axis of the second theodolite; the optical axis of thefirst self- collimation light tube intersects the optical axis of the first theodolite at an angle of 22.5 degree; and the optical axis of the second self-collimation light tube intersects the optical axis of the second theodolite at an angle of 22.5 degree.

Description

technical field [0001] The invention belongs to the field of optical assembly, and in particular relates to a system and method for realizing high-precision gluing of a Sagnac solid interferometer. Background technique [0002] The spatially modulated Fourier transform imaging spectrometer based on transverse shear interference avoids the technical difficulties caused by moving parts and scanning mechanisms, and has the advantages of high stability, high throughput, and real-time measurement of spectra. Transverse shear interferometer is the core and key component of spatially modulated Fourier transform imaging spectrometer, and its typical representatives are Sagnac interferometric transverse shear interferometer and Michelson interferometric transverse shear interferometer. Sagnac interferometric transverse shear interferometer adopts the structure of triangular common optical path, which is less affected by external vibration, airflow and other factors, and has strong an...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01J3/02F16B11/00G02B27/34
CPCG02B27/34F16B11/006G01J3/0205
Inventor 宋兴张学敏张建
Owner XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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