Strong fiber gratings written with a frequency-tripled Nd:YAG laser

Ding Yuan Tang; Deyuan Shen; Justin L. Blows; Simon C. Fleming

doi:10.1117/12.444898

19 October 2001 Strong fiber gratings written with a frequency-tripled Nd:YAG laser

Ding Yuan Tang, Deyuan Shen, Justin L. Blows, Simon C. Fleming

Proceedings Volume 4579, Optical Fiber and Planar Waveguide Technology; (2001) https://doi.org/10.1117/12.444898
Event: Asia-Pacific Optical and Wireless Communications Conference and Exhibit, 2001, Beijing, China

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.

Citation Download Citation

Ding Yuan Tang, Deyuan Shen, Justin L. Blows, and Simon C. Fleming "Strong fiber gratings written with a frequency-tripled Nd:YAG laser", Proc. SPIE 4579, Optical Fiber and Planar Waveguide Technology, (19 October 2001); https://doi.org/10.1117/12.444898

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