Active WDM demodulation scheme for fiber Bragg grating sensors

• Type: Article in International Conference Proceedings Book
• Date: 1999

Authors

Araujo, FM (Author) Other; Ferreira, LA (Author) Other; Santos, JL (Author) FCUP; Farahi, F (Author) Other

Conference proceedings International

Title: FIBER OPTIC AND LASER SENSORS AND APPLICATIONS: INCLUDING DISTRIBUTED AND MULTIPLEXED FIBER OPTIC SENSORS VII

Pages: 41-46

Conference on Fiber Optic and Laser Sensors and Applications

BOSTON, MA, NOV 03-05, 1998

Indexing

ISI Web of Knowledge - 0 Citations

Scopus - 0 Citations

Scientific classification

FOS: Engineering and technology > Other engineering and technologies

Other information

Authenticus ID: P-001-5MS

DOI: 10.1117/12.339109

Abstract (EN): A closed loop technique for measuring Bragg wavelength shifts based on active wavelength tuning of a WDM coupler is presented. By stretching the coupling region of a fused biconical WDM, the 3 dB point is set by the feedback loop to always match the reflected Bragg wavelength. With this scheme, sensitivities usually associated with highly selective WDM can be obtained without compromising the measurement range.

Language: English

Type (Professor's evaluation): Scientific