Partially-coherent long-wavelength optical simulation techniques for microwave background astronomy

Details Partially-coherent long-wavelength optical simulation techniques for microwave background astronomy Partially-coherent long-wavelength optical simulation techniques for microwave background astronomy

May 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aipc..616..274w&link_type=abstract

EXPERIMENTAL COSMOLOGY AT MILLIMETRE WAVELENGTHS: 2K1BC Workshop. Breuil-Cervinia, Valle d'Aosta, Italy, 9-13 July, 2001. Edit

Physics

Background Radiations, Photoconductors And Bolometers, Radio, Microwave, Submillimeter

Scientific paper

We outline a procedure for modelling the behavior of partially-coherent long-wavelength optical systems. The procedure is of considerable importance to microwave background astronomy, where sequences of high-throughput optical components are often used. In the paper, we give a symbolic description of the basic method, and illustrate its use by calculating the radiation pattern of an overmoded waveguide bolometer. To confront a number of fundamental issues, we consider the case where the absorbing disc does not completely fill the waveguide. We also demonstrate the technique by showing how the optical behavior of an imaging array can be determined by propagating all of the beams in the array simultaneously. .

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