Calculations on Optical Path Difference of a High Resolution Reflecting Scanning Fourier Transform Spectrometry

Ruyi, 魏儒义 Wei; Xuemin, 张学敏 Zhang; Jinsong, 周锦松 Zhou; Sizhong, 周泗忠 Zhou; Xiao-hui, 高晓惠 Gao; Junxia, 卫俊霞 Wei; Le, 王乐 Wang

doi:10.3788/aos201131.0730001

Cited by 2 publications

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“…According to the movement pattern, it can be divided into linear interferometer spectrometer and rotating mirror interferometer spectrometer. The mirror not only overcome the disadvantages of the traditional straight line moving mirror, but also has no auxiliary optical path, energy efficiency, high spectral resolution, high speed, real-time advantages, Particularly suited to the special requirements of aerospace remote sensing and rapid spectral detection [2]. For the mirror reflection rotating mirror interferometer spectrometer, the corner reflector is better than the plane mirror performance.…”

Section: Introductionmentioning

confidence: 99%

Calculations on Optical Path Difference of a Reflecting Scanning Fourier Transform Spectrometry Based on Cube Reflector

Zhang

Yang

Wang

2012

AMM

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Compared with normal reflecting scanning transform Spectrometry, cube-based Spectrometr is a key component in the time-based modulation interference spectrometer, it have more compact structure ,using less accessory , easy to fix up , more steadily and more practicality . Calculations on optical path difference (OPD) of spectrometry play an important role in analyzing and improving of the structure. Following the law of Malus and the geometrical relationship of model, get the formula of OPD and the affective factors .The calculation results demonstrate that OPD is closely related to the tilted angel of rotating reflector , the size of cube reflector and the refractive index of reflector. And this kind of spectrometry has the character of high resolution, especial in some spectrum.

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Section: Introductionmentioning

confidence: 99%