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Published March 1999 | Submitted
Journal Article Open

A Large Throughput High Resolution Fourier Transform Spectrometer for Submillimeter Applications

Abstract

We have designed and constructed a Fourier Transform Spectrometer (FTS) for the study of submillimeter-wave mixers and optical components. The FTS has a large aperture (up to 25.4 cm) and small focal ratio (as fast as f/2.5) to achieve a large throughput. It operates in the 100-3750 GHz (3.3-125 cm^(−1)) frequency range with a resolution of up to 75 MHz (0.0025 cm^(−1)). Here we discuss the design goals and provide a detailed description of the construction of the FTS. In addition, we highlight the variety of studies which have been conducted with this instrument, which include characterizing SIS mixers through both direct and heterodyne detection and measuring the properties of optical materials.

Additional Information

© 1999 Plenum Publishing Corporation. Received December 8, 1998. We wish to thank Walt Schaal and Dave Vail for helping build the FTS; Dave Woody for helpful discussions; Jacob Kooi for providing the impetus to test devices and materials; and Gabe Powers for assistance with the N_2 purge system.

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Submitted - 1999-02-IRMMW-Bin.pdf

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August 19, 2023
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