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Standing wave elimination apparatus

A standing wave and wave plate technology is applied in the field of eliminating standing wave devices in the optical path, which can solve the problem of no elimination, and achieve the effects of eliminating standing waves, improving accuracy, and having a simple structure.

Inactive Publication Date: 2017-04-26
合肥市铭光光电科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing technology does not provide a method to eliminate the standing wave in the optical path. This device will design a standing wave elimination device according to the polarization state characteristics of the light to eliminate the standing wave in the polarized light.

Method used

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Embodiment

[0018] Example: such as Figure 1-5 As shown, the present invention provides a standing wave elimination device, including a wave plate, a linear polarizer, an extinction material, and an extinction cylinder. The material properties and thickness of the wave plate are calculated by the wavelength of light, and the linear polarizer needs to be calculated for this wavelength. Parameters, extinction material can be equipped according to the optical properties of different lights, the extinction tube is assembled by splicing and assembling the upper top plate 8, the lower bottom plate 14, the front baffle 11, the rear baffle 6, the left side plate 2, and the right side plate 7 , install the linear polarizer 5 into the polarizer frame 9 and fix it with the top wire A4, then insert it into the extinction tube along the sliding groove B3 at 45 degrees to the horizontal, and fix it with the top wire B10; the wave plate 12 is along the horizontal line at 30 degrees Insert it into the e...

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Abstract

The invention discloses a standing wave elimination apparatus. The apparatus comprises a wave plate, a linear polaroid, a delustring material and a delustring cylinder, wherein the delustring cylinder is formed by splicing and assembling an upper top plate, a lower base plate, a front baffle plate, a rear baffle plate, a left side plate and a right side plate, wherein the rear baffle plate and the left side plate are each provided with two slide grooves, the linear polaroid is installed in a polaroid frame, is fixed by use of a jackscrew, then is inserted into the delustring cylinder along one slide groove in a mode of forming an angle of 45 degrees with a horizontal plane, and is fixed by use of a jackscrew; and the wave plate is inserted into the delustring cylinder along another slide groove in a mode of forming an angle of 30 degrees with the horizontal plane and is fixed by use of a jackscrew. The structure is simple, and influences exerted by standing waves in an optical path on measurement precision are eliminated by use of an optical polarization effect; and light is absorbed by the delustring material, the standing waves formed between a detector and a device are eliminated, the polarization state of a detection light beam is not changed, and the precision of experiment data is effectively improved.

Description

technical field [0001] The invention relates to the field of optical technology, in particular to a device for eliminating standing waves in an optical path. Background technique [0002] In optical diagnosis, the polarization state characteristics of light can be used to detect the information of the measured object. When the light emitted by the light source passes through several optical elements and then reaches the object to be detected and then is received by the detector, there will be an optical standing wave in the optical path due to the back and forth reflection between the detector and the optical element, and this standing wave will introduce a A fixed phase difference, and the introduced fixed phase difference will be superimposed with the real polarization state change information, thus introducing a considerable measurement error. The existing technology does not provide a method to eliminate the standing wave in the optical path. This device will design a s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B27/28
CPCG02B27/288
Inventor 刘海庆邹志勇揭银先
Owner 合肥市铭光光电科技有限公司
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