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Laser performance of resonantly-pumped Er 3+ -doped Y 2 O 3 ceramic laser for remote DIAL CO 2 monitoring is reported. Slope efficiency of 64.6% and output power of over 9.3 W have been achieved with this eyesafe, 1.6-μm, CW laser in a cryogenically cooled operation regime despite the marginal optical quality of currently available laser gain material.
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Ter-Gabrielyan et al. (2009) studied this question.
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