Nd:YAG picosecond pulse delivery by cyclic olefin polymer-coated silver hollow glass waveguide

Helena Jelinkova; Mitsunobu Miyagi; Pavel Cerny; Jan Sulc; Yi-Wei Shi; Yuji Matsuura

doi:10.1117/12.384913

3 May 2000 Nd:YAG picosecond pulse delivery by cyclic olefin polymer-coated silver hollow glass waveguide

Helena Jelinkova, Mitsunobu Miyagi, Pavel Cerny, Jan Sulc, Yi-Wei Shi, Yuji Matsuura

Proceedings Volume 3911, Biomedical Diagnostic, Guidance, and Surgical-Assist Systems II; (2000) https://doi.org/10.1117/12.384913
Event: BiOS 2000 The International Symposium on Biomedical Optics, 2000, San Jose, CA, United States

Abstract

The flexible hollow waveguides - a cyclic olefin polymer- coated silver hollow glass waveguides with various inner diameters - specially prepared for the delivery of high power 1.06 micrometers radiation were investigated using an oscillator-3 amplifiers Nd:YAG laser system. The length of a single pulse was equal to 50 psec. In dependence to a diameter of the waveguide, transmission/attenuation as a function of the input laser energy were measured together with the input/output time radiation characteristics and the spatial distribution of the output beam. The input energy up to 80 mJ, 70 mJ, and 30 mJ was transmitted with an efficiency higher that 90 percent for the COP/Ag hollow waveguides with a diameter of 1000 micrometers , 700 micrometers , and 540 micrometers , respectively. The picosecond temporal measurements show that the delivered pulse duration was not changed within a resolution of 5 picosecond. Therefore the maximum transmitted power reached was 1.5 GW. The characteristics obtained make all these waveguides very promising for the delivery of high-power laser pulse in special medical and other applications.

Citation Download Citation

Helena Jelinkova, Mitsunobu Miyagi, Pavel Cerny, Jan Sulc, Yi-Wei Shi, and Yuji Matsuura "Nd:YAG picosecond pulse delivery by cyclic olefin polymer-coated silver hollow glass waveguide", Proc. SPIE 3911, Biomedical Diagnostic, Guidance, and Surgical-Assist Systems II, (3 May 2000); https://doi.org/10.1117/12.384913

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