NASA NTRS · 19780029166
A directional filter diplexer using optical techniques for millimeter to submillimeter wavelengths
Abstract
An optical diplexer for injection of a local oscillator into a mixer, useful in the submillimeter and short millimeter range, is described. It has very low insertion loss for both the signal and local oscillator (LO) and high rejection of LO noise. The measured performance of a unit tested at 337 GHz indicates a loss of about 0.2 dB for both inputs and 20-dB noise rejection.
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Erickson, N. R.. 1977-10-01. A directional filter diplexer using optical techniques for millimeter to submillimeter wavelengths. https://ntrs.nasa.gov/citations/19780029166
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