Optical pumping of helium with arc lamp excited LNA lasers
- 1 January 1989
- journal article
- Published by EDP Sciences in Revue de Physique Appliquée
- Vol. 24 (8), 827-831
- https://doi.org/10.1051/rphysap:01989002408082700
Abstract
We have developed a compact and relatively inexpensive laser source at λ =1.083 μm, suitable for optical pumping in helium. The laser is made of an LNA crystal transversely pumped by krypton arc lamps. A cw power of 800 mW has been achieved at 1.083 μm with a 3 GHz bandwidth. A 66 % nuclear polarization has been obtained in a 3He gasKeywords
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