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Proceedings Paper

Strong fiber gratings written with a frequency-tripled Nd:YAG laser
Author(s): Ding Yuan Tang; Deyuan Shen; Justin L. Blows; Simon C. Fleming
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Paper Abstract

It is demonstrated that strong Bragg and long-period gratings can be written using the frequency tripled output from a high repetition rate Q-switched Nd:YAG laser. The refractive index modulation induced by the pulsed near-UV light is estimated to be about 4.5x10-4, estimated both based on the periodic transmission property of long- period gratings and the reflectance of uniform Bragg gratings. Although a peak pulse intensity of the near-UV light as high as 2x107 W/cm2 has been used, no loss due to laser induced damage to the core was observed.

Paper Details

Date Published: 19 October 2001
PDF: 9 pages
Proc. SPIE 4579, Optical Fiber and Planar Waveguide Technology, (19 October 2001); doi: 10.1117/12.444898
Show Author Affiliations
Ding Yuan Tang, Nanyang Technological Univ. (Singapore)
Deyuan Shen, Nanyang Technological Univ. (Singapore)
Justin L. Blows, Univ. of Sydney (Australia)
Simon C. Fleming, Univ. of Sydney (Australia)

Published in SPIE Proceedings Vol. 4579:
Optical Fiber and Planar Waveguide Technology
Shuisheng Jian; Yanming Liu, Editor(s)

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