Application of a microchip laser-pumped photonic crystal fiber supercontinuum source for high-sensitive cavity ring down optical loss measurements

Tobias Baselt; Thomas Hammer; Fabiola Basan; Peter Hartmann

doi:10.1117/12.809324

19 February 2009 Application of a microchip laser-pumped photonic crystal fiber supercontinuum source for high-sensitive cavity ring down optical loss measurements

Tobias Baselt, Thomas Hammer, Fabiola Basan, Peter Hartmann

Author Affiliations +

Proceedings Volume 7195, Fiber Lasers VI: Technology, Systems, and Applications; 71951T (2009) https://doi.org/10.1117/12.809324
Event: SPIE LASE: Lasers and Applications in Science and Engineering, 2009, San Jose, California, United States

Abstract

Precise optical loss measurements are a prerequisite for the development of new optical materials and complex optical multilayers. A flat supercontinuum (400 nm - 1650 nm), generated by a photonic crystal fiber pumped with a train of kHz nanosecond Q-switched microchip laser pulses at 1064 nm is used for high sensitive cavity ring down (CRD) loss measurements. The supercontinuum based CRD-technique enables the precise determination of the reflectivity of highreflective coatings from R = 0.995 to R = 0.99995 or of the transmission loss of optical materials from τ = 0.005 to τ = 0.00005 with an accuracy better than 2 • 10^-6, and covers an extreme wide spectral range of more than 1000 nm.

Citation Download Citation

Tobias Baselt, Thomas Hammer, Fabiola Basan, and Peter Hartmann "Application of a microchip laser-pumped photonic crystal fiber supercontinuum source for high-sensitive cavity ring down optical loss measurements", Proc. SPIE 7195, Fiber Lasers VI: Technology, Systems, and Applications, 71951T (19 February 2009); https://doi.org/10.1117/12.809324

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