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SBIR/STTR

Metal-Mesh Optical Filter Technology for Mid IR, Far IR, and Submillimeter, Phase II

Completed Technology Project

Project Introduction

Metal-Mesh Optical Filter Technology for Mid IR, Far IR, and Submillimeter, Phase II
The innovative, high transmission band-pass filter technology proposed here is an improvement in multilayer metal-mesh filter design and manufacture for the far IR to submillimeter ranges. The proposed metal-mesh filters can tolerate cryogenic temperatures (down to 4K and below) and a wide vibration/shock spectrum, making them launch-capable and durable for long periods in space. In addition, the proposed band-pass filters are light weight, as they employ no heavy substrates. The proposed 2 5 mm thickness (mostly the mounting frame) allows insertion into tight spaces and standard filter wheels. The thin, light weight, vacuum compatible design can be incorporated into almost any detector setup. Large sizes can be manufactured for newer instruments with larger diameter beams. More »

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