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Fourier Interferometry for Space-borne Atmospheric Sounding

机译:傅里叶干涉测量空间的大气声音

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A preliminary investigation on interferometry for space-borne atmospheric sounding is shown in this paper. It includes design, optimal implementation subsystem and the testing results of the model instrument. The experiment scheme characterizes an amplitude-splitting two-beam interference, time modulation, driving reflector directly by a linear motor and reducing tilt influence using a pair of corner reflector. The reference signal is produced by He-Ne laser beam. The optical sounding wave bands with preliminary model are 7.5-15μm. Experimental results showed that spectrum resolution is about 2 cm~(-1). In addition, a further study program is also presented in the paper, which will result in a space-borne atmospheric sounding interferometer after several years. Now the program is under way. As its first step a study is made on some basic problems and on some comparisons among different designs for interferometers: translation corner reflector type, swing plane mirrors type.
机译:本文显示了对空间型大气探测干涉测量初探的初步调查。它包括设计,最佳实现子系统和模型仪器的测试结果。实验方案表征幅度分离双光束干扰,时间调制,直接通过线性电动机直接驱动反射器,并使用一对角反射器减少倾斜影响。参考信号由HE-NE激光束产生。具有初步模型的光学探测波段为7.5-15μm。实验结果表明,光谱分辨率约为2cm〜(-1)。此外,还介绍了另一种研究计划,这将在几年后导致空间传播的大气声音干涉仪。现在该计划正在进行中。由于其第一步,研究了一些基本问题,以及在不同设计中的一些比较方面是用于干涉仪的不同设计:翻译角反射器类型,摆动平面镜类型。

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