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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 7 — Mar. 1, 2012
  • pp: 898–904

Polarization-independent optical circulator for high accuracy Faraday depolarization lidar

Tatsuo Shiina, Kazuo Noguchi, and Tetsuo Fukuchi  »View Author Affiliations

Applied Optics, Vol. 51, Issue 7, pp. 898-904 (2012)

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A high precision, polarization-independent optical circulator was developed for high accuracy Faraday depolarization lidar. Glan laser prisms and other novel optics were utilized in the circulator optics, resulting in a high extinction ratio of polarization of >30dB. High accuracy is needed to detect a small rotation angle in the polarization plane of the propagating beam. It is generated by the Faraday effect due to the lightning discharge. The developed circulator delivered high performance of insertion loss and isolation as laser transmitter and echo receiver in the inline lidar optics.

© 2012 Optical Society of America

OCIS Codes
(120.4820) Instrumentation, measurement, and metrology : Optical systems
(220.4830) Optical design and fabrication : Systems design
(230.2240) Optical devices : Faraday effect
(230.5440) Optical devices : Polarization-selective devices
(280.3640) Remote sensing and sensors : Lidar

ToC Category:
Remote Sensing and Sensors

Original Manuscript: August 19, 2011
Revised Manuscript: November 21, 2011
Manuscript Accepted: November 22, 2011
Published: February 28, 2012

Tatsuo Shiina, Kazuo Noguchi, and Tetsuo Fukuchi, "Polarization-independent optical circulator for high accuracy Faraday depolarization lidar," Appl. Opt. 51, 898-904 (2012)

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