Effectively tunable dispersion compensation based on chirped fiber Bragg gratings using electroactive polymer

Yongbo Dai; Zhichun Zhang; Liwu Liu; Jinsong Leng; Anand Asundi

doi:10.1117/12.845777

20 October 2009 Effectively tunable dispersion compensation based on chirped fiber Bragg gratings using electroactive polymer

Yongbo Dai, Zhichun Zhang, Liwu Liu, Jinsong Leng, Anand Asundi

Author Affiliations +

Proceedings Volume 7493, Second International Conference on Smart Materials and Nanotechnology in Engineering; 74934Q (2009) https://doi.org/10.1117/12.845777
Event: Second International Conference on Smart Materials and Nanotechnology in Engineering, 2009, Weihai, China

Abstract

A systematic method of tunable dispersion compensation based on chirped fiber Bragg gratings (CFBGs) using electroactive polymer (EAP) as drive device will be proposed. The EAP offer attractive properties of energy transduction from the electrical to the mechanical form for actuator with high active stresses (up to order of 1MPa), low response times, high reliability, high stability and low costs. The special tune device is consisted of a straight beam and two EAP actuators, the CFBG is surface-mounted on one side of the beam. The midpoint of the grating is consistent with the center of the beam. When the EAP is imposed on voltage, the specially designed mechanical device can control the chirping ratio along the fiber gratings and consequently the group delay. The group delay can be linearly controllable since the device induce the linear strain gradient with the input voltage. The dispersion value can be effectively controlled in corresponding to the input voltage. The resonant wavelength shift of CFBG is less than 0.05 nm over the dispersion tuning range.

Citation Download Citation

Yongbo Dai, Zhichun Zhang, Liwu Liu, Jinsong Leng, and Anand Asundi "Effectively tunable dispersion compensation based on chirped fiber Bragg gratings using electroactive polymer", Proc. SPIE 7493, Second International Conference on Smart Materials and Nanotechnology in Engineering, 74934Q (20 October 2009); https://doi.org/10.1117/12.845777

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