Fabrication of a fiber optic tilted Bragg grating filter in 40-nm range with a single phase mask

Joseph Grant; Y. Wang; Anup Sharma

doi:10.1117/12.473812

17 February 2003 Fabrication of a fiber-optic tilted Bragg grating filter in 40 nm range with a single phase mask

Joseph Grant, Y. Wang, Anup Sharma

Proceedings Volume 4833, Applications of Photonic Technology 5; (2003) https://doi.org/10.1117/12.473812
Event: Applications of Photonic Technology 5, 2002, Quebec City, Canada

Abstract

Fiber-optic Bragg grating filters are fabricated with a range of Bragg wavelength between 1296 and 1336 nm, using a single phase mask. 30 mW of continuous-wave light at 244 nm is used from a frequency-doubled argon-ion laser having an intracavity etalon. Gratings are fabricated by tilting the photosensitive fiber with respect to the phase mask up to an angle of 15 degrees. The variation of Bragg wavelength with the fiber-tilt is explained with a simple formula. High spatial coherence of 244 nm light makes it possible to displace the fiber as much as 6 mm in front of the phase mask and tilt the fiber by as much as 15 degrees. This results in nearly constant band-width and near 100 % reflectivity for all gratings throughout the 40 nm range.

Citation Download Citation

Joseph Grant, Y. Wang, and Anup Sharma "Fabrication of a fiber-optic tilted Bragg grating filter in 40 nm range with a single phase mask", Proc. SPIE 4833, Applications of Photonic Technology 5, (17 February 2003); https://doi.org/10.1117/12.473812

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