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- Title
A powder method for the high-efficacy evaluation of electro-optic crystals.
- Authors
Xu, Feng; Zhang, Ge; Luo, Min; Peng, Guang; Chen, Yu; Yan, Tao; Ye, Ning
- Abstract
The electro-optic crystal holds great promise for extensive applications in optoelectronics and optical communication. However, the discovery of novel electro-optic crystals is sporadic due to the difficulties of large-sized crystal growth for electro-optic coefficient measurement. Herein, to address this issue, a high-efficacy evaluation method using accessible powder samples is proposed in which the second-harmonic-generation effect, infrared reflectance spectrum and Raman spectrum are introduced to predict the magnitude of the electro-optic coefficient. The calculated electro-optic coefficients of numerous reported electro-optic crystals through this approach give universal agreement to the experimental values, evidencing the validity of the strategy. Based on this method, CsLiMoO4 is screened as a novel potential electro-optic crystal and a high-quality crystal is grown by the Czochralski technique for electro-optic coefficient measurement using the half-wave voltage method, the result of which is also comparable to the calculated value. Consequently, the evaluation strategy presented here will pave a new way to explore promising electro-optic crystals efficiently.
- Subjects
CRYSTALS; POWDERS; FERROELECTRIC liquid crystals; CRYSTAL growth; EVALUATION methodology; RAMAN spectroscopy
- Publication
National Science Review, 2021, Vol 8, Issue 3, p1
- ISSN
2095-5138
- Publication type
Article
- DOI
10.1093/nsr/nwaa104