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Transfer of Fe:ZnSe laser radiation by hollow waveguide

✍ Scribed by H. Jelínková; M. Němec; J. Šulc; M. Miyagi; K. Iwai; H. Takaku; M. Doroshenko; T.T. Basiev; V.K. Komar; A.S. Gerasimenko

Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
150 KB
Volume
8
Category
Article
ISSN
1612-2011

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✦ Synopsis

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%.

Reflective metalic film Polymer layer

Glass pipe

Protective layer

Section of polymer coated metallic hollow fused silica waveguide

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