Transfer of Fe:ZnSe laser radiation by hollow waveguide

A special type of cyclic olefin polymer coated silver hollow glass waveguide with 700 µm inner diameter was utilized for original transfer of mid‐infrared Fe:ZnSe laser radiation generating at 4.45 µm. This laser system was pumped by electro‐optically Q‐switched 2.94 µm Er:YAG laser radiation. For 1...

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Veröffentlicht in:	Laser physics letters 2011-08, Vol.8 (8), p.613-616
Hauptverfasser:	Jelínková, H., Němec, M., Šulc, J., Miyagi, M., Iwai, K., Takaku, H., Doroshenko, M., Basiev, T.T., Komar, V.K., Gerasimenko, A.S.
Format:	Artikel
Sprache:	eng
Schlagworte:	Fe:ZnSe laser hollow glass waveguide mid-IR lasers spatial structure
Online-Zugang:	Volltext
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Zusammenfassung:	A special type of cyclic olefin polymer coated silver hollow glass waveguide with 700 µm inner diameter was utilized for original transfer of mid‐infrared Fe:ZnSe laser radiation generating at 4.45 µm. This laser system was pumped by electro‐optically Q‐switched 2.94 µm Er:YAG laser radiation. For 1.1 mJ Fe:ZnSe laser energy with pulse duration 300 ns, the waveguide transmission of 4.45 µm radiation reached up to 64%. Bent waveguide showed the transmission decrease to 60%. (© 2011 by Astro Ltd., Published exclusively by WILEY‐VCH Verlag GmbH & Co. KGaA) (© 2011 by Astro Ltd., Published exclusively by WILEY‐VCH Verlag GmbH & Co. KGaA)
ISSN:	1612-2011 1612-202X
DOI:	10.1002/lapl.201110047