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KLTN Self-Pumped Phase Conjugation

Published online by Cambridge University Press:  15 February 2011

Jiangqian Wei
Affiliation:
Institute of Crystal Materials, Shandong University, Jinan 250100, P.R. China
Qingcai Guan
Affiliation:
Institute of Crystal Materials, Shandong University, Jinan 250100, P.R. China
Jiyang Wang
Affiliation:
Institute of Crystal Materials, Shandong University, Jinan 250100, P.R. China
Xuefeng Yue
Affiliation:
Institute of Crystal Materials, Shandong University, Jinan 250100, P.R. China
Zongshu Shao
Affiliation:
Institute of Crystal Materials, Shandong University, Jinan 250100, P.R. China
Yaogang Liu
Affiliation:
Institute of Crystal Materials, Shandong University, Jinan 250100, P.R. China
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Abstract

Homogenous tetragonal potassium lithium tantalate niobate (KLTN) crystals were grown using the flux pulling method. A two-wave-mixing gain coefficient of 0.5cm−1 has been measured using undoped KLTN. The gain coefficient can be increased to 2.7 cm−1 after doping of 0.2wt% Fe. The “cat” self-pumped phase conjugator was performed, for the first time, with KLTN:Fe crystal. We obtained a reflectivity of 14% and a response time less than 3 seconds using a frequency-doubled Nd:YAG quasi-continuous laser.

Type
Research Article
Copyright
Copyright © Materials Research Society 1994

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References

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