EFFICIENT CONVERSION OF A RUBY LASER TO 0.347 μ IN LOW LOSS LITHIUM IODATE
- 1 October 1970
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 17 (7), 286-288
- https://doi.org/10.1063/1.1653404
Abstract
The second harmonic of a ruby laser has been produced in LiIO3 crystals, showing hardly any optical absorption at 0.347 μ. Using these new crystals external to the laser cavity conversion efficiencies up to 40% have been achieved using an incident unfocussed beam of about 130 MW/cm2. After 5–10 shots, a first small internal damage spot appeared inside the LiIO3 crystal. For a beam diameter of 3 mm several hundred shots with a conversion efficiency of 40% were possible.Keywords
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