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Crystal growth and frequency conversion of BaMgF< sub> 4 single crystal by temperature gradient technique
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Update time: 2014-11-27
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The BaMgF4 single crystal was grown by the temperature gradient technique. Highly pure MgF2 and BaF2powders were used as raw materials and CaF2 single crystal was chosen as a seed to induce BaMgF4 single crystal grow along 〈0 0 1〉 orientation. The short cut-off wavelength of BaMgF4 single crystal was determined to be 130 nm which is consistent with the previously reported result. We realized second harmonic generation from 1064 nm to 532 nm laser, and 800 nm to 400 nm femtosecond laser in single domain BaMgF4 by using birefringent phase matching. 355-nm-wavelength laser was produced by Sum-Frequency Generation from 1064-nm- and 532-nm-wavelength laser, which is the shortest coherent radiation obtained in the UV in the BaMgF4 crystal.
Optical Materials, 2014
BaMgF4 crystal grown by temperature gradient technique.

The transmission spectrum of BaMgF4 single crystal.
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