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Proceedings Paper

Application of a microchip laser-pumped photonic crystal fiber supercontinuum source for high-sensitive cavity ring down optical loss measurements
Author(s): Tobias Baselt; Thomas Hammer; Fabiola Basan; Peter Hartmann
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Paper 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.

Paper Details

Date Published: 20 February 2009
PDF: 5 pages
Proc. SPIE 7195, Fiber Lasers VI: Technology, Systems, and Applications, 71951T (20 February 2009); doi: 10.1117/12.809324
Show Author Affiliations
Tobias Baselt, West Saxon Univ. of Applied Sciences Zwickau (Germany)
Thomas Hammer, West Saxon Univ. of Applied Sciences Zwickau (Germany)
Fabiola Basan, West Saxon Univ. of Applied Sciences Zwickau (Germany)
Peter Hartmann, West Saxon Univ. of Applied Sciences Zwickau (Germany)


Published in SPIE Proceedings Vol. 7195:
Fiber Lasers VI: Technology, Systems, and Applications
Denis V. Gapontsev; Dahv A. Kliner; Jay W. Dawson; Kanishka Tankala, Editor(s)

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