Alkali lasers for magnetic resonance imaging

Spin-polarized nuclei of such gases as 3 He and 129 Xe are successfully used for magnetic resonance imaging of lungs and other organs of human body. To produce large numbers of spin-polarized nuclei required for this medical application, a high power narrowband tunable laser source is required. Diod...

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Bibliographic Details
Published in:Central European journal of physics 2010-04, Vol.8 (2), p.184-193
Main Authors: Zhdanov, Boris V., Knize, Randall J.
Format: Article
Language:English
Subjects:
alkali lasers
Biological and Medical Physics
Biophysics
Environmental Physics
Geophysics/Geodesy
MRI imaging
Physical Chemistry
Physics
Physics and Astronomy
Research Article
spin polarized nuclei
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Summary:Spin-polarized nuclei of such gases as 3 He and 129 Xe are successfully used for magnetic resonance imaging of lungs and other organs of human body. To produce large numbers of spin-polarized nuclei required for this medical application, a high power narrowband tunable laser source is required. Diode pumped alkali lasers, developed during last several years can be an ideal source for this application. In this paper we present our latest achievements in diode pumped alkali lasers development. We describe optically pumped Cs laser tunable in the range of 14 GHz and operating in single transverse mode with a linewidth less than 3 MHz. We also present continuous wave diode pumped Rb and Cs lasers with output power 17 W and 20 W.
ISSN:1895-1082
2391-5471
1644-3608
2391-5471
DOI:10.2478/s11534-009-0073-1