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Applied Optics

Applied Optics


  • Vol. 41, Iss. 10 — Apr. 1, 2002
  • pp: 1888–1893

Low-loss ultrabroadband 90° optical rotator with collinear input and output beams

Roland K. Appel and Chris D. Dyer  »View Author Affiliations

Applied Optics, Vol. 41, Issue 10, pp. 1888-1893 (2002)

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An achromatic device to rotate optical polarization by 90° is described. This is based on a series of reflecting surfaces that rotates incoming light about the optical axis and translates it such that the exiting light is collinear. Polarization rotation is achieved by rotation of the optical beam, as opposed to the more common approach of phase retardation by use of birefringent elements. For broadband operation from the UV to the near infrared, the device was constructed by use of total internal reflection in three fused-silica glass components. Losses are minimized with interstitial surfaces designed to be angled close to Brewster’s angle.

© 2002 Optical Society of America

OCIS Codes
(120.4570) Instrumentation, measurement, and metrology : Optical design of instruments
(120.5410) Instrumentation, measurement, and metrology : Polarimetry
(220.1000) Optical design and fabrication : Aberration compensation
(230.5440) Optical devices : Polarization-selective devices
(230.5480) Optical devices : Prisms
(260.5430) Physical optics : Polarization

Original Manuscript: August 27, 2001
Revised Manuscript: December 14, 2001
Published: April 1, 2002

Roland K. Appel and Chris D. Dyer, "Low-loss ultrabroadband 90° optical rotator with collinear input and output beams," Appl. Opt. 41, 1888-1893 (2002)

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