Reflection gratings as THz local oscillator multiplexer

Stefan Heyminck; Urs U. Graf

doi:10.1117/12.389092

20 June 2000 Reflection gratings as THz local oscillator multiplexer

Stefan Heyminck, Urs U. Graf

Proceedings Volume 4014, Airborne Telescope Systems; (2000) https://doi.org/10.1117/12.389092
Event: Astronomical Telescopes and Instrumentation, 2000, Munich, Germany

Abstract

We present a new type of phase grating, the Fourier grating, to be used as local oscillator beam multiplexer in heterodyne receivers. The device has been developed for the SOFIA Terahertz Array Receiver (STAR). In contrast to the binary phase gratings (Dammann gratings), which are being used in many array receivers, our gratings have a smooth surface structure without any sharp edges.

Citation Download Citation

Stefan Heyminck and Urs U. Graf "Reflection gratings as THz local oscillator multiplexer", Proc. SPIE 4014, Airborne Telescope Systems, (20 June 2000); https://doi.org/10.1117/12.389092

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