GSE平行光管

平行光管主要用于下列测试:

l  Signal to noise ratio tests

l  Spectral tests performed with the Gas Handling System

n  Measurement of the instrumental line shape (ILS) function

n  Measurement of the spectral resolution

n  Measurement of the spectral uncertainty

n  Measurement of the spectral stability

l  Field of view mapping

l  Non-linearity characterization

l  Modulation efficiency measurements.

组成部分：

l  A collimating telescope

l  An interface for the gas cell of the Gas Handling System

l  An aperture wheel with openings of various sizes

l  Filter holders on the aperture wheel

l  A chopper wheel and its controller

l  Two micrometric translation stages to move the aperture wheel vertically and horizontally across the beam

l  A housing that can be purged with dry nitrogen

技术指标：