首页> 外文会议>Conference on Current Developments in Lens Design and Optical Systems Engineering 2-4 August 2000 San Diego, USA >Optical design of a near-infrared birefringent filter system and measurement on birefringence index of calcite
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Optical design of a near-infrared birefringent filter system and measurement on birefringence index of calcite

机译:近红外双折射滤光片系统的光学设计和方解石双折射指数的测量

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摘要

In this paper, we present an optical design of a near-infrared (at FeI 15648.5A) birefringent filter system which is used to obtain the chromatic images of the sun and measure the solar magnetic field at the Big Bear Observatory (BBSO). This system consists of a prefilter, a liquid crystal analyzer, a wavelength-tunable birefringent filter and a Fabry-Perot Etalon. This system is expected to achieve a clean narrow pass band (l/8A).
机译:在本文中,我们介绍了近红外(在FeI 15648.5A)双折射滤镜系统的光学设计,该系统用于获取太阳的彩色图像并测量大熊天文台(BBSO)的太阳磁场。该系统由一个预滤光片,一个液晶分析仪,一个波长可调双折射滤光片和一个Fabry-Perot Etalon组成。该系统有望实现干净的窄通带(l / 8A)。

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