Surface-mount sapphire interferometric temperature sensor
Applied Optics, Vol. 45, Issue 24, pp. 6071-6076 (2006)
http://dx.doi.org/10.1364/AO.45.006071
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Abstract
A fiber-optic high-temperature sensor is demonstrated by bonding a 45°-polished single-crystal sapphire fiber on the surface of a sapphire wafer, whose optical thickness is temperature dependent and measured by white-light interferometry. A novel adhesive-free coupling between the silica and sapphire fibers is achieved by fusion splicing, and its performance is characterized. The sensor's interference signal is investigated for its dependence on angular alignment between the fiber and the wafer. A prototype sensor is tested to
© 2006 Optical Society of America
OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.6780) Instrumentation, measurement, and metrology : Temperature
History
Original Manuscript: November 1, 2005
Revised Manuscript: February 22, 2006
Manuscript Accepted: March 4, 2006
Citation
Yizheng Zhu and Anbo Wang, "Surface-mount sapphire interferometric temperature sensor," Appl. Opt. 45, 6071-6076 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-24-6071
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