Reflection gratings as THz local oscillator multiplexer

Details Reflection gratings as THz local oscillator multiplexer Reflection gratings as THz local oscillator multiplexer

Jun 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000spie.4014..164h&link_type=abstract

Proc. SPIE Vol. 4014, p. 164-171, Airborne Telescope Systems, Ramsey K. Melugin; Hans-Peter Roeser; Eds.

Physics

Scientific paper

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.

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