Intensity of waves diffracted from symmetrical profile lamellar gratings

Details Intensity of waves diffracted from symmetrical profile lamellar gratings Intensity of waves diffracted from symmetrical profile lamellar gratings

Nov 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993ap%26ss.209...99c&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 209, no. 1, p. 99-107

Astronomy and Astrophysics

Astronomy

Diffraction Propagation, Diffraction Radiation, Gratings (Spectra), Optical Filters, Symmetry, Extremely High Frequencies, Infrared Astronomy, Mathematical Models, Microwave Antennas, Millimeter Waves, Near Infrared Radiation, Radio Astronomy, Space Communication

Scientific paper

We derive the expression for the intensity of the diffracted waves from a symmetrical profile lamellar grating (SLG). Such symmetrical structure may improve the performance of an ordinary lamellar grating. If suitably designed, its applicability may be extended to the millimeter to radio wave regions apart from the normal optical and near infrared region in which it is mostly used. Such millimeter wave SLG can have significant application in astronomy and astrophysics. By proper choice of geometrical parameters, an SLG may be used as a microwave antenna in space communication as well.

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