Wideband speckle spectroscopy based on the shift-and-add method

Details Wideband speckle spectroscopy based on the shift-and-add method Wideband speckle spectroscopy based on the shift-and-add method

Aug 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988optl...13..616b&link_type=abstract

Optics Letters (ISSN 0146-9592), vol. 13, Aug. 1988, p. 616-618.

Physics

Optics

11

Astronomical Spectroscopy, Speckle Interferometry, Speckle Patterns, Stellar Spectra, Focal Plane Devices, Helium-Neon Lasers

Scientific paper

A method for speckle spectroscopy is proposed in which objective prism spectra of astronomical objects are reconstructed from dispersed speckle data by using the shift-and-add method. The method is only applicable at high light levels. Because the shift-and-add method is applicable to white-light speckle images, wideband speckle spectroscopy is feasible. Some laboratory experiments confirm the usefulness of the shift-and-add method for speckle spectroscopy.

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