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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 29, Iss. 10 — Apr. 1, 1990
  • pp: 1482–1489

Circle to line interferometer optical system

Paul B. Hays  »View Author Affiliations


Applied Optics, Vol. 29, Issue 10, pp. 1482-1489 (1990)
http://dx.doi.org/10.1364/AO.29.001482


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Abstract

This study describes a technique and apparatus for converting the circular fringes of a Fabry-Perot interferometer into a linear pattern which can be detected with a conventional linear detector. The conversion from a circular ring pattern at the focus of the objective lens of the interferometer is accomplished using a segment of an internally reflecting cone to direct the light from a sector of the ring pattern onto the linear detector. Light is concentrated into a single sector by the use of a kaleidoscopic mirror system. The aberrations associated with the transformation are shown to be small for high resolution devices which have large F numbers. A laboratory demonstration of a linearly scanned Fabry-Perot interferometer with a 0.7 cm. spacing illustrates a spectrum taken over ten orders with very small aperture defects. These results imply that a high resolution interferometer using five orders and a CCD detector would have a sensitivity 87.5 × greater than is presently achieved with those used to observe the winds in the upper atmosphere.

© 1990 Optical Society of America

History
Original Manuscript: March 14, 1989
Published: April 1, 1990

Citation
Paul B. Hays, "Circle to line interferometer optical system," Appl. Opt. 29, 1482-1489 (1990)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-29-10-1482

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