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14 October 2004 Near infrared (NIR) achromatic phase retarder
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The tunable near InfraRed Lyot filter (TNIRLF) is one of the focal plane instruments for Advanced Technology Solar Telescope (ATST) project of the National Solar Observatory (NSO). Achromatic half waveplate and quarter waveplates working from 1000 nm to 1700 nm will be used in this filter. In this paper, we give a description of the design and development for the synthesized achromatic waveplates using quartz plates. The retardance variation is within 1% over the full spectral range and we discuss the variance of optical axis.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jun Ma, Jingshan Wang, W. Cao, Carsten Denker, and Haimin Wang "Near infrared (NIR) achromatic phase retarder", Proc. SPIE 5523, Current Developments in Lens Design and Optical Engineering V, (14 October 2004);

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