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1.发明授权Transmission spectrometer with improved spectral and temperature characteristics 有权透射光谱仪具有改进的光谱和温度特性公开(公告)号：US07180590B2
公开(公告)日：2007-02-20
申请号：US10616398
申请日：2003-07-09
IPC分类号： G01J3/28
CPC分类号： G01J3/02 , G01J3/0286 , G01J3/18
摘要： Transmission spectrometers require low levels of background light so that the signal to noise ratio is increased, and also require stable performance over wide temperature ranges. Light reflected by the transmission grating can result in increased background levels. One approach to reducing the background level is to orient the transmissive diffraction grating so that light reflected by the grating is reflected out of the diffraction plane. The temperature-induced wavelength drift of a transmission spectrometer can be due to the frame upon which the transmission grating is mounted. The wavelength drift is reduced by allowing the thermal expansion of the grating to be independent of the frame.
摘要翻译： 透射光谱仪需要低水平的背景光，从而增加信噪比，并且在宽温度范围内也需要稳定的性能。 由透射光栅反射的光可导致背景增加。 降低背景水平的一种方法是使透射衍射光栅定向，使得由光栅反射的光被反射出衍射平面。 透射光谱仪的温度感应波长漂移可能是由于安装透射光栅的框架。 通过允许光栅的热膨胀独立于框架来减小波长漂移。
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2.发明申请Transmission spectrometer with improved spectral and temperature characteristics 有权透射光谱仪具有改进的光谱和温度特性公开(公告)号：US20050007586A1
公开(公告)日：2005-01-13
申请号：US10616398
申请日：2003-07-09
CPC分类号： G01J3/02 , G01J3/0286 , G01J3/18
摘要： Transmission spectrometers require low levels of background light so that the signal to noise ratio is increased, and also require stable performance over wide temperature ranges. Light reflected by the transmission grating can result in increased background levels. One approach to reducing the background level is to orient the transmissive diffraction grating so that light reflected by the grating is reflected out of the diffraction plane. The temperature-induced wavelength drift of a transmission spectrometer can be due to the frame upon which the transmission grating is mounted. The wavelength drift is reduced by allowing the thermal expansion of the grating to be independent of the frame.
摘要翻译： 透射光谱仪需要低水平的背景光，从而增加信噪比，并且在宽温度范围内也需要稳定的性能。 由透射光栅反射的光可导致背景增加。 降低背景水平的一种方法是使透射衍射光栅定向，使得由光栅反射的光被反射出衍射平面。 透射光谱仪的温度感应波长漂移可能是由于安装透射光栅的框架。 通过允许光栅的热膨胀独立于框架来减小波长漂移。
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