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High Stability Rotating Mirror Interferometer

A high-stability, interferometer technology, applied in interference spectroscopy, spectrum investigation, etc., can solve the problems of increasing design and development difficulty, complex structure, and portability, so as to ensure self-stability, reduce measurement time, and improve The effect of measurement accuracy

Active Publication Date: 2016-04-13
ACAD OF OPTO ELECTRONICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this kind of interferometer generally needs to be composed of a rotating mirror and multiple fixed mirrors. The structure is relatively complicated, which increases the difficulty of design and development, and also has a certain impact on portability.

Method used

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  • High Stability Rotating Mirror Interferometer
  • High Stability Rotating Mirror Interferometer
  • High Stability Rotating Mirror Interferometer

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Embodiment Construction

[0025] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0026] Such as figure 1 As shown, the embodiment of the present invention provides a high-stability rotating mirror interferometer including a first beam splitter 11, a first plane mirror 12, a second beam splitter 13, a second plane mirror 14, and an inclined mirror 15 And energy harvesting mirror 17:

[0027] The first plane mirror 12 and the second plane mirror 14 are arranged in parallel to form a parallel mirror group 120, and the parallel mi...

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Abstract

The invention discloses a high-stability rotating mirror interferometer which comprises a first beam splitter, a first planar mirror, a second beam splitter, a second planar mirror, an inclined mirror and an energy collecting mirror. The first planar mirror and the second planar mirror are arranged in parallel to form a parallel mirror set, the parallel mirror set is fixedly connected with a rotary shaft, a beam splitting membrane of the second beam splitter is parallel with the parallel mirror set, the second beam splitter is fixedly arranged between the first planar mirror and the second planar mirror, and the inclined mirror is provided with an inclined angle. By the adoption of a pair of the planar mirrors, it is guaranteed that incident light and emitting light are parallel, rotation of the pair of the planar mirrors guarantees autostability of a system, detection time is shortened, the system is simple in structure, and processing, assembling and adjusting difficulty and production cost are lowered.

Description

technical field [0001] The invention relates to the technical field of spectrum detection and imaging, in particular to a high-stability time-modulated double-beam interferometer. Background technique [0002] Fourier Transform Infrared Spectrometer (FTIR) is an instrument that uses light interference to measure the spectrum of a target. It has a series of advantages such as multi-channel, high throughput, high signal-to-noise ratio, and high accuracy. It is widely used in industry and agriculture. It has a wide range of applications in production, scientific research, environmental monitoring, food safety, aerospace remote sensing and other fields. [0003] The interferometer is the core component of FTIR, and the performance of the interferometer determines the quality of the measurement results of the instrument. At present, FTIR interferometers are usually based on Michelson interferometers and their deformation structures. The structure is usually composed of three par...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01J3/45
Inventor 相里斌谭政方煜张文喜吕群波周志盛杜述松张金刚
Owner ACAD OF OPTO ELECTRONICS CHINESE ACAD OF SCI
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