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Generation investigation of "eye-safe" microchip lasers pumped by 974 nm and 939 nm wavelength

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Author(s): Jaroslaw Mlynczak | Krzysztof Kopczynski | Zygmunt Mierczyk

Journal: Optica Applicata
ISSN 0078-5466

Volume: 38;
Issue: 4;
Start page: 657;
Date: 2008;
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Keywords: erbium glasses | microchip lasers | eye-safe laser radiation

ABSTRACT
The paper describes the results of spectroscopic and generation investigations of Concentrated and SELG glasses with different concentrations of dopants. Transmission spectra of the glasses were measured and absorption coefficients calculated. The laser generation was carried out using two different pump wavelengths of 974 nm and 939 nm in cw and quasi-cw regimes. Attempts to compare the efficiencies of pumping by these two different wavelengths and the evaluation of the optimal thickness of the active media were made.

Tango Jona
Tangokurs Rapperswil-Jona

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