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An Automatically Tunable Multi-Optical Path System

A multi-optical path and automatic technology, applied in the field of dynamic characteristics research, can solve the problems of small adjustment angle and difficult adjustment of the mirror, and achieve the effect of easy tuning, increasing the length of the optical path, and avoiding the trouble of coaxial adjustment

Inactive Publication Date: 2014-10-15
TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this structure brings inconvenience when adjusting the coaxiality of the three mirrors, and the adjustment angle of the mirrors is very small, which is difficult to adjust

Method used

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  • An Automatically Tunable Multi-Optical Path System
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  • An Automatically Tunable Multi-Optical Path System

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Embodiment Construction

[0029] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0030] Such as figure 1 — Figure 8 As shown, an automatic tunable multi-optical path system of the present invention includes an angle rotation device 25, a bracket 2, a motor bracket 16, a DSP controller, and a cylindrical main body 1 that can maintain vacuum and withstand a certain high pressure , the main body 1 is fixed on the bracket 2, the bracket 2 is fixed on the optical table 3, the top of the main body 1 is provided with an inlet pipeline 4, the inlet pipeline 4 communicates with the external standard sample gas, and a control valve is arranged on the inlet pipeline 4 , The bottom of the main body 1 is provided with an outlet pipeline 5, the outlet pipeline 5 ...

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Abstract

The invention discloses a field of research on the dynamic characteristics of laser-atmosphere interaction in trace gas spectrum detection and free space optical communication, and in particular relates to an automatically tunable multi-optical path system, including an angle rotation device and a length adjustment device , bracket, motor bracket, stepper motor, DSP controller and a cylindrical main body that can maintain vacuum and withstand a certain high pressure. The present invention inputs it into the DSP controller according to the requirements of the optical path, and calculates it through the DSP controller The angle of rotation of the concave mirror and the voltage required to rotate the piezoelectric crystal (PZT) at this angle, the output signal triggers the drive to realize the automatic rotation of the angle, and at the same time drives the stepping motor to drive the bellows to stretch or compress to realize the distance of the reflection pool The horizontal elongation and compression of d, an automatic tunable multi-optical path system with high precision, high sensitivity, simple operation and automatic control function.

Description

technical field [0001] The invention relates to the research field of the dynamic characteristics of laser-atmosphere interaction in trace gas spectral detection and free-space optical communication, in particular to an automatically tunable multi-optical path system. Background technique [0002] Multi-pass cells can be roughly divided into resonant multi-pass cells and non-resonant multi-pass cells. The adjustment of the resonant multi-path cell is more complicated and has higher requirements on the light source, and it is necessary to ensure that the light and the multi-path cell resonate strictly during the measurement, so it is not very convenient in practical application. The simplest non-resonant multi-path path cell can be realized by two plane mirrors, such as the patent application number: 201110131656.3 A gas absorption cell for absorption spectrum measurement, which increases the absorption optical path through two plane mirrors and improves the spectrum Determi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B26/00G02B7/198
Inventor 魏计林李传亮邱选兵李晋红李坤吕艳杨牧
Owner TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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