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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 41, Iss. 24 — Aug. 20, 2002
  • pp: 5016–5021

Relationship between sensitivity and waveguide position on the diaphragm in integrated optic pressure sensors based on the elasto-optic effect

Masashi Ohkawa, Kazuhiko Hasebe, Seishi Sekine, and Takashi Sato  »View Author Affiliations


Applied Optics, Vol. 41, Issue 24, pp. 5016-5021 (2002)
http://dx.doi.org/10.1364/AO.41.005016


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Abstract

The sensitivities of integrated optic pressure sensors with diaphragms theoretically are known to be strongly dependent on the position of the sensing waveguide on the diaphragm. According to the theoretical results, the diaphragm edge is the best position for the waveguide of a sensor based on the elasto-optic effect. The relationship between sensitivity and the waveguide position, however, has not been investigated experimentally, although it is important in the designing of such a sensor and in determining the misalignment tolerance of the sensing waveguide. In this study, this relationship in a glass-based integrated optic sensor by use of an intermodal interference was examined experimentally.

© 2002 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(130.0130) Integrated optics : Integrated optics
(130.3120) Integrated optics : Integrated optics devices
(130.6010) Integrated optics : Sensors
(230.3120) Optical devices : Integrated optics devices

History
Original Manuscript: September 28, 2001
Revised Manuscript: April 29, 2002
Published: August 20, 2002

Citation
Masashi Ohkawa, Kazuhiko Hasebe, Seishi Sekine, and Takashi Sato, "Relationship between sensitivity and waveguide position on the diaphragm in integrated optic pressure sensors based on the elasto-optic effect," Appl. Opt. 41, 5016-5021 (2002)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-41-24-5016

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