Abstract

The fictive temperatures of single-mode optical-fiber core, along with its inner and outer cladding, were measured using an infrared (IR) reflection method on the fiber cross-sectional surface. To allow for usage of a larger IR beam size than the diameter of the fiber core, the cross-sectional area of the fiber was increased by slicing the fiber at an oblique angle, along approximately 3 off the fiber axis direction. The magnitude of the fictive temperature was estimated from the IR peak wavenumber-fictive temperature relation obtained for bulk glasses with the same compositions. The observed fictive temperature was in the range of 1150 1300 C for the core, 1450 1550 C for the inner cladding, and 1620 1660 C for the outer cladding and exhibited good correlation with the fiber cooling rate.

[IEEE ]

Special optical fiber for temperature sensing based on cladding-mode resonance

Fufei Pang, Wenchao Xiang, Hairun Guo, Na Chen, Xianglong Zeng, Zhenyi Chen, and Tingyun Wang
Opt. Express 16(17) 12967-12972 (2008)

Radiation hardening of sol gel-derived silica fiber preforms through fictive temperature reduction

B. Hari Babu, Matthieu Lancry, Nadege Ollier, Hicham El Hamzaoui, Mohamed Bouazaoui, and Bertrand Poumellec
Appl. Opt. 55(27) 7455-7461 (2016)

Single-mode fiber laser based on core-cladding mode conversion

Shigeru Suzuki, Axel Schülzgen, and N. Peyghambarian
Opt. Lett. 33(4) 351-353 (2008)

Birefringence variation with temperature in elliptically cladded single-mode fibers

K. Mochizuki, Y. Namihira, and Y. Ejiri
Appl. Opt. 21(23) 4223-4228 (1982)

Silica-clad crystalline germanium core optical fibers

J. Ballato, T. Hawkins, P. Foy, S. Morris, N. K. Hon, B. Jalali, and R. Rice
Opt. Lett. 36(5) 687-688 (2011)