THERMAL ANNEALING OF BRAGG GRATING ON MANUFACTURING OF FIBER-OPTIC PHASE SENSOR
ITMO University, Saint Petersburg, 197101, Russian Federation; Professor, Director of the Research Institute of Light-Guided Photonics
S. V. Varzhel
ITMO University, Saint Petersburg, 197101, Russian Federation; Associate professor, Chief of Laboratory
M. N. Belikin
ITMO University; research engineer
A. V. Kulikov
ITMO University, Saint Petersburg, 197101, Russian Federation; Director of the Institute, Head of laboratory
V. S. Brunov
ITMO University; student
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Abstract. A method is proposed for fabrication of fiber-optic phase sensor with the use of thermal annealing of fiber Bragg grating. Optimal conditions of the annealing for Bragg gratings with the required spectral properties are determined.
Keywords:
fiber Bragg grating, thermal annealing, fiber-optic phase sensor, fiber-optic hydrophone
