Volume‐Phase Holographic Gratings and the Efficiency of Three Simple Volume‐Phase Holographic Gratings

Volume‐Phase Holographic Gratings and the Efficiency of Three Simple Volume‐Phase Holographic Gratings
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体积相位全息光栅和三种简单体积相位全息光栅的效率

DOI:
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发表时间:
2000
期刊:
影响因子:
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通讯作者:
Joel B. Williams
Joel B. Williams
中科院分区:
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文献类型:
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作者:
S. Barden;J. Arns;W. Colburn;Joel B. Williams

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体积位相全息(VPH)光栅作为一种替代传统的表面浮雕(SR)光栅在天文光谱仪中显示出巨大的潜力。我们介绍了这项技术,并给出了三种不同的VPH光栅的评估结果:一种是在1064 nm优化的300line mm−-1光栅,一种是在532 nm优化的1200line mm−-1光栅,另一种是优化在532 nm工作的2400line mm−-1光栅。
Volume‐phase holographic (VPH) gratings show great potential as an alternative dispersing element to the classical surface‐relief (SR) gratings presently used in most astronomical spectrographs. We present an introduction to this technology and give the results of an evaluation of three different VPH gratings: a 300 line mm−1 grating optimized at 1064 nm, a 1200 line mm−1 grating optimized at 532 nm, and a 2400 line mm−1 grating optimized for operation at 532 nm.