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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 10 — May. 9, 2011
  • pp: 9392–9400

Polymer waveguide integrated-optic current transducers

Min-Cheol Oh, Woo-Sung Chu, Kyung-Jo Kim, and Jun-Whee Kim  »View Author Affiliations


Optics Express, Vol. 19, Issue 10, pp. 9392-9400 (2011)
http://dx.doi.org/10.1364/OE.19.009392


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Abstract

Various functional optical devices are integrated on a single chip in order to construct optical current transducers based on polarization rotated reflection interferometry, which consists of polarization maintaining 3-dB couplers, TE-pass polarizers, TE/TM polarization converters, and thermo-optic phase modulators. By virtue of the device integration, the sensor exhibited good linearity, and excellent accuracy with an error less than 0.2%. The integrated-optic device provides inherent polarization maintaining characteristics and precise controllability of the optical path length in the interferometric sensor. Single chip integration reduces the complexity of the interferometry, and enables mass-production of low-cost high performance current sensors.

© 2011 OSA

OCIS Codes
(130.6010) Integrated optics : Sensors
(230.3120) Optical devices : Integrated optics devices
(280.4788) Remote sensing and sensors : Optical sensing and sensors
(130.5460) Integrated optics : Polymer waveguides

ToC Category:
Integrated Optics

History
Original Manuscript: March 22, 2011
Revised Manuscript: April 25, 2011
Manuscript Accepted: April 27, 2011
Published: April 28, 2011

Citation
Min-Cheol Oh, Woo-Sung Chu, Kyung-Jo Kim, and Jun-Whee Kim, "Polymer waveguide integrated-optic current transducers," Opt. Express 19, 9392-9400 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-10-9392


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References

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