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SPEKTROMETER TIL ANALYSE AF EN LYSSTRÅLES SPEKTRUM

机译:用于分析光束光谱的光谱仪

摘要

A spectrometer (100) for analyzing the spectrum of an upstream light beam (1), includes an entrance slit (101) and collimating elements (110) suitable for generating, from the upstream light beam, a collimated light beam (10), characterized in that it also includes: a polarization-dependent diffraction grating (120) suitable for diffracting, at each wavelength (11, 12) of the spectrum of the upstream light beam, the collimated light beam into a first diffracted light beam (11, 12) and a second diffracted light beam (21, 22); optical recombining elements (130) including a planar optical reflecting surface (130) perpendicular to the grating and suitable for deviating at least the second diffracted light beam; and focussing elements (140) suitable for focussing, at each wavelength, the first diffracted light beam and the second diffracted light beam onto one and the same focussing area (141).
机译:用于分析上游光束(1)的光谱的光谱仪(100),包括入射狭缝(101)和准直元件(110),准直元件(110)适于从上游光束产生准直光束(10),其特征在于其还包括:偏振相关的衍射光栅(120),其适于在上游光束的光谱的每个波长(11、12)处将准直光束衍射成第一衍射光束(11、12)。 )和第二衍射光束(21、22);光重组元件(130),其包括垂直于光栅并适合于至少使第二衍射光束偏转的平面光反射表面(130);聚焦元件(140)适合于在每个波长上将第一衍射光束和第二衍射光束聚焦到一个和相同的聚焦区域(141)上。

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