Polarization Insensitive Fiber-Optic Refractometer based on a Side-polished Fiber Coupler with a Thick Glass Waveguide
Journal of the Optical Society of Korea, Vol. 6, Issue 3, pp. 117-120 (2002)
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Abstract
Side-polished single-mode fiber covered with a thick planar-glass-waveguide is studied as a polarization-insensitive fiber-optic refractometer The properties of the device are very sensitive to the index variation of an upper cladding on top of the overlay waveguide. We investigate the spectral response, the polarization properties, and the relationship between the shift in coupling wavelength and the index variation of an upper cladding layer Index resolutions of the order of 10-4 have been achieved.
© 2002 Optical Society of Korea
OCIS Codes
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(230.5440) Optical devices : Polarization-selective devices
(230.7390) Optical devices : Waveguides, planar
History
Original Manuscript: July 8, 2002
Published: September 1, 2002
Citation
Kyung-Rak Sohn, Jae-Won Song, and Hyung-Pyo Kim, "Polarization Insensitive Fiber-Optic Refractometer based on a Side-polished Fiber Coupler with a Thick Glass Waveguide," J. Opt. Soc. Korea 6, 117-120 (2002)
http://www.opticsinfobase.org/josk/abstract.cfm?URI=josk-6-3-117
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