Laser properties of new organic nonlinear optical crystals chalcone derivatives
- 21 May 1990
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 56 (21) , 2074-2076
- https://doi.org/10.1063/1.102976
Abstract
A large single crystal (18×40×15 mm3) of a new nonlinear optical material ‘‘chalcone derivative’’ has been grown by an evaporation method. This crystal was relatively easy to grow to a large size and was chemically stable. The cutoff wavelength was 430 nm. The calculated phase matching angles for the second-harmonic generation (SHG) of Nd:YAG lasers agreed with the experimental data. Effective nonlinear optical coefficients deff of type I and type II for SHG have been measured to be 3.5 pm/V for type I and 5.7 pm/V for type II.Keywords
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