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Proceedings Paper

Passively mode-locked Q-switched Nd:YAP 1.34-um/1.08-um laser with efficient hollow-waveguide radiation delivery
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Paper Abstract

A compact Nd:YAP solid-state oscillator/amplifier laser system with a possibility of fast wavelength switching from 1.34 micrometers to 1.08 micrometers and with a reliable flexible radiation transport device was developed. The laser oscillator was composed of two rear mirrors, inner for 1.34 micrometers and outer for 1.08 micrometers generation. An output resonator mirror was common to both wavelengths. A crystal of V3+:YAG was used as a passive mode-locker at 1.34 micrometers Nd:YAP laser transition, and BDN II foil served as a saturable absorber at 1.08 micrometers laser wavelength. Both resonators were separated by a mechanical shutter. A single flashlamp oscillator-amplifier cavity configuration was utilized in order to keep the device compact and small in dimensions. At the output, either a train of 1 nsec long 1.3 micrometers pulses with the energy up to 30 mJ, or 20 nsec long 1.08 micrometers giant pulses with the energy up to 100 mJ were generated. A cyclic olefin polymer-coated silver hollow glass waveguide with the optimal coupler was used for the radiation delivery. The measured transmission for 1m long waveguide reached 93 percent and 80 percent for 1.34 micrometers and 1.08 micrometers , respectively. This alternative double- wavelength system can be suitable for medical or industrial applications.

Paper Details

Date Published: 13 March 2002
PDF: 9 pages
Proc. SPIE 4630, Solid State Lasers XI, (13 March 2002); doi: 10.1117/12.458999
Show Author Affiliations
Helena Jelinkova, Czech Technical Univ. (Czech Republic)
Pavel Cerny, Czech Technical Univ. (Czech Republic)
Jan Sulc, Czech Technical Univ. (Czech Republic)
Jan Karol Jabczynski, Military Univ. of Technology (Poland)
Krzysztof Kopczynski, Military Univ. of Technology (Poland)
Waldemar Zendzian, Military Univ. of Technology (Poland)
Zygmunt Mierczyk, Military Univ. of Technology (Poland)
Mitsunobu Miyagi, Tohoku Univ. (Japan)


Published in SPIE Proceedings Vol. 4630:
Solid State Lasers XI
Richard Scheps, Editor(s)

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