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Nd-doped, tunable IR lasers for helium optical pumping

Conference · · AIP Conference Proceedings (American Institute of Physics); (USA)
OSTI ID:7169091
 [1]
  1. Laboratory for Atomic and Molecular Research, University of Missouri-Rolla, Rolla, MO 65401 (US)
We have investigated the tuning characteristics of several Nd-Doped, IR lasers for use as a cw source to optical pump helium atoms at 1083 nm. We report the gain and tuning curves obtained for LaMgAl{sub 11}O{sub 19}, YAlO{sub 3}, and LiNbO{sub 3}. The materials are pumped with a variety of laser sources including Ar{sup +}, and Kr{sup +} ion lasers, Kr arc lamps, and GaAlAs diodes. Single-mode laser power at the helium resonance wavelength is greater than 15 mW when LNA is pumped with a 450 mW diode. Tunable power up to 1 W is obtained with Nd:YAlO{sub 3} in a cw, arc-lamp pumped cavity. Applications for laser-pumped, spin-polarized ensemblese of {sup 3}He and metastable {sup 4}He range from space-based magnetometers to nuclear targets.
OSTI ID:
7169091
Report Number(s):
CONF-8810399--
Conference Information:
Journal Name: AIP Conference Proceedings (American Institute of Physics); (USA) Journal Volume: 191:1
Country of Publication:
United States
Language:
English

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