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Bend induced loss in single mode fiber for designing simple interferometric temperature sensor

ANANDKUMAR S. LALASANGI1, VIJAY K. KULKARNI1, I. I. PATTANSHETTI1, U. S. RAIKAR1,*

Affiliation

  1. Department of Physics, Karnatak University, Dharwad 580 003, India

Abstract

Optical loss in a bend induced over moded fiber has been measured as a function of temperature was observed. These observations are explained on the basis of interference between the core-guided mode and whispering Gallery (WG) modes by reflection at the buffer air interface. The experimental results are consistent with the optothermal properties of the fiber and buffer..

Keywords

Single mode fiber, Bend loss, Whispering Gallery Modes, Detector (818 – SL), Power Meter (1815-C), Temperature sensor.

Submitted at: Aug. 23, 2006
Accepted at: Sept. 13, 2006

Citation

ANANDKUMAR S. LALASANGI, VIJAY K. KULKARNI, I. I. PATTANSHETTI, U. S. RAIKAR, Bend induced loss in single mode fiber for designing simple interferometric temperature sensor, Journal of Optoelectronics and Advanced Materials Vol. 8, Iss. 5, pp. 1901-1904 (2006)