One-dimensional stellar and solar speckle interferometry

Details One-dimensional stellar and solar speckle interferometry One-dimensional stellar and solar speckle interferometry

Jun 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977optco..21..435a&link_type=abstract

Optics Communications, vol. 21, June 1977, p. 435-438.

Physics

Optics

13

Interferometry, Michelson Interferometers, Solar Spectra, Speckle Patterns, Stellar Spectra, Astronomical Spectroscopy, Irradiance, Optical Scanners, Photoelectric Effect, Stellar Spectrophotometry, Telescopes

Scientific paper

A one-dimensional speckle-interferometry technique is proposed which consists in replacing the circular entrance pupil of the telescope by a slit. In the image plane, speckle will be elongated in a direction perpendicular to the entrance slit and the irradiance distribution in a direction parallel to the slit will be analyzed with a high-speed photoelectric scanner. This technique appears to be a good compromise between standard speckle interferometry and Michelson interferometry for precise high resolution astronomical measurements.

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