Journal
OPTICS AND LASER TECHNOLOGY
Volume 78, Issue -, Pages 143-152Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.optlastec.2015.10.018
Keywords
ADP crystal; FHG; FOA; NCPM
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Funding
- Fundamental Research Funds for the Central Universities of China [HIT.NSRIF.2014056]
- Heilongjiang Province National Natural Science Foundation of China [E201308]
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This paper presented a new Final Optics Assembly (MA) of ammonium dihydrogen phosphate (ADP) square crystal with large aperture under the non-critical phase matching (NCPM), which controlled by the constant temperature water, and the temperature distribution was analyzed by simulation and experiment. Firstly, thermal analysis was carried out, as well as the temperature distribution of the cavity only heated under different velocities was analyzed. Then, the temperature distributions of ADP square crystal in the cavity were achieved using the Finite Volume Method (FVM), and this prediction was validated by the experiment results when the velocity is 0.1 m/s and 0.5 m/s. Finally, the optimal FHG conversion efficiency was obtained and the comparison of different heating methods was also highlighted. (C) 2015 Elsevier Ltd. All rights reserved.
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