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Proceedings Paper

Modification of mid-infrared radiation spatial structure caused by COP/Ag hollow waveguide
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Paper Abstract

The beam spatial structure of mid-infrared laser radiation delivered by hollow glass waveguides was investigated. As laser sources flash-lamp pumped Er:YAG, Tm:YAG, and diode-pumped Tm:YAG, Tm:YAP laser systems generating radiation in a free-running regime were designed and constructed. The base of transfer systems was cyclic olefin polymer-coated silver hollow glass waveguide having 700 &mgr;m inner diameter and length up to 1.3 m. The changes of beam spatial structures through the delivery system are presented. For Er:YAG laser system the waveguide was investigated both straight and bent cases and also output laser beam stability was observed. The energy transmission characteristics were measured for all systems.

Paper Details

Date Published: 15 February 2007
PDF: 10 pages
Proc. SPIE 6433, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications VII, 643306 (15 February 2007); doi: 10.1117/12.698140
Show Author Affiliations
Michal Nĕmec, Czech Technical Univ. (Czech Republic)
Helena Jelínková, Czech Technical Univ. (Czech Republic)
Martin Fibrich, Czech Technical Univ. (Czech Republic)
Petr Koranda, Czech Technical Univ. (Czech Republic)
Mitsunobu Miyagi, Sendai National College of Technology (Japan)
Katsumasa Iwai, Sendai National College of Technology (Japan)
Yi-Wei Shi, Fudan Univ. (China)
Yuji Matsuura, Tohoku Univ. (Japan)


Published in SPIE Proceedings Vol. 6433:
Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications VII
Israel Gannot, Editor(s)

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