Hybrid metal mesh-dielectric mirrors for optically pumped far infrared lasers.
Hybrid metal mesh-dielectric mirrors for optically pumped far infrared lasers.
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用于光泵浦远红外激光器的混合金属网介电镜。
DOI：
10.1364/ao.15.000761
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发表时间：
1976
期刊：
影响因子：
1.9
通讯作者：
P. Coleman
中科院分区：
文献类型：
--
作者：
E. Danielewicz;P. Coleman
本文描述了一种用于光泵分子激光器的金属-介质混合镀膜镜，它在近红外区具有高反射率，在远红外区具有部分透射率。Ge和CaF（2）被用作介质膜，沿着与Ni网一起沉积在Si衬底上。在2-15微米范围内研究了CaF（2）薄膜的介电色散特性，为设计提供了数据。采用四层电介质涂层和金属网，在近红外的2 μ m范围内，镜子的镜面反射可以保持大于90%，并且通过选择网，在400-600 μ m范围内的透射率从0%变化到大于40%。
A hybrid metal metal-dielectrically coated mirror, highly reflecting in the near ir and partially transmitting in the far ir, for use in optically pumped molecular lasers, is described. Ge and CaF(2) were used for the dielectric films, along with Ni meshes deposited on Si substrates. The dielectric dispersion properties of the CaF(2) thin films were studied in the 2-15-microm range to provide design data. With a four layer dielectric coating and a metal mesh, the specular reflection of the mirror could be maintained greater than 90% over a 2-mum range in the near ir, and by choice of mesh, the transmittance in the 400-600-microm range varied from 0% to greater than 40%.