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Proceedings Paper

High-power laser diode system for optical pumping of Rb
Author(s): Zdenek Buchta; Jan Rychnovsky; Josef Lazar
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Paper Abstract

We present a laser system based on a tunable high-power laser diode optimized for maximum efficiency of the optical pumping process of Rb atoms. The system represents the crucial part of the HpG (hyperpolarized gasses) production process. It is designed to operate in medical and industrial applications to come. We concentrated on the laser diode emission linewidth reduction because of the efficiency of the optical pumping process. The emission linewidth was reduced approximately from 1 THz to 69 GHz with only half of the total optical power loss and quadruple increase of the power spectral density at the wavelength of desire. Furthermore we present the cooling system for high-power laser diode bar and the measured laser diode bar emission line too.

Paper Details

Date Published: 14 April 2006
PDF: 6 pages
Proc. SPIE 6184, Semiconductor Lasers and Laser Dynamics II, 61841T (14 April 2006); doi: 10.1117/12.662657
Show Author Affiliations
Zdenek Buchta, Institute of Scientific Instruments (Czech Republic)
Brno Univ. of Technology (Czech Republic)
Jan Rychnovsky, Institute of Scientific Instruments (Czech Republic)
Brno Univ. of Technology (Czech Republic)
Josef Lazar, Institute of Scientific Instruments (Czech Republic)


Published in SPIE Proceedings Vol. 6184:
Semiconductor Lasers and Laser Dynamics II
Daan Lenstra; Markus Pessa; Ian H. White, Editor(s)

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