24 May 2012 Metal-mesh optical filter technology for mid-IR, far-IR, and submillimeter
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Abstract
The innovative, high transmission band-pass filter technology presented here for the mid infrared (IR), terahertz (THz) and submillimeter ranges can tolerate cryogenic temperatures (down to 4K and below), are radiation-hard, vacuum-compatible and vibration-tolerant making them launch-capable and durable for potential space applications. In addition, Lake Shore band-pass filters (BPF) are light weight, as they employ no heavy substrates, nor have any vibronic bands due to polymer support layers. The filters are less than 2 mm thick (mostly the mounting frame) which allows insertion into tight spaces and standard filter wheels. The thin, light weight, vacuum compatible design can be incorporated into almost any detector setup. Filters are available for quick delivery in 29 standard center wavelengths (CWL) with 4 standard diameter sizes, up to 40mm inner diameter (ID).
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William R. McGovern, William R. McGovern, Philip R. Swinehart, Philip R. Swinehart, Eric L. Hogue, Eric L. Hogue, David R. Daughton, David R. Daughton, Jay V. DeLombard, Jay V. DeLombard, } "Metal-mesh optical filter technology for mid-IR, far-IR, and submillimeter", Proc. SPIE 8385, Sensors and Systems for Space Applications V, 838506 (24 May 2012); doi: 10.1117/12.918674; https://doi.org/10.1117/12.918674
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