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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 40, Iss. 31 — Nov. 1, 2001
  • pp: 5738–5741

Optical electric-power-sensing system using Faraday and Pockels cells

Yongqian Li, Changsheng Li, and Toshihiko Yoshino  »View Author Affiliations


Applied Optics, Vol. 40, Issue 31, pp. 5738-5741 (2001)
http://dx.doi.org/10.1364/AO.40.005738


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Abstract

We present what to our knowledge is a novel optical electric-power-sensing system that uses a cascade of a Faraday cell and a Pockels cell. According to Jones-matrix analysis, the electric-power information is contained in the intensity of the emerging light. An instantaneous ac electric-power signal has been observed in real time, and the active power has been measured in the 0–1-kW range. The experimental results are in good agreement with the theoretical analysis and prove the feasibility of the optical sensing system.

© 2001 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(230.2090) Optical devices : Electro-optical devices
(230.2240) Optical devices : Faraday effect
(230.3810) Optical devices : Magneto-optic systems
(260.5430) Physical optics : Polarization

History
Original Manuscript: December 12, 2000
Published: November 1, 2001

Citation
Yongqian Li, Changsheng Li, and Toshihiko Yoshino, "Optical electric-power-sensing system using Faraday and Pockels cells," Appl. Opt. 40, 5738-5741 (2001)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-40-31-5738

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