1 June 2010 Measurement of refractive index change of optical fiber core induced by femtosecond laser scanning
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Abstract
We report a new method to measure the refractive index change in optical fiber core induced by femtosecond (fs)laser exposure. An in-line Fabry-Perot interferometer, serving as the measurement platform, is constructed on a commercial single-mode optical fiber by one-step femtosecond (fs) laser fabrication. A positive refractive index change is observed and measured accurately as the laser pulse energy surpasses the ablation threshold.
© (2010) Society of Photo-Optical Instrumentation Engineers (SPIE)
Yukun Han, Tao Wei, Hai-Lung Tsai, Hai Xiao, "Measurement of refractive index change of optical fiber core induced by femtosecond laser scanning," Optical Engineering 49(6), 064301 (1 June 2010). https://doi.org/10.1117/1.3449113 . Submission:
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