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Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses
Published on: June 7, 2018
Nonlinear optical properties of Ca5(BO3)3F crystal
Ke Xu1, Pascal Loiseau, Gerard Aka
1Laboratoire de la Chimie de la Matière Condensée de Paris, CNRS-UMR 7574, ENSCP, Paris, Cedex 05, France.
Optics Express
|October 30, 2008
Summary
Calcium boron fluoride (Ca(5)(BO(3))(3)F) crystals show promise for nonlinear optics. These non-hygroscopic crystals achieved 54% efficiency for UV light generation, indicating potential for optical applications.
Area of Science:
- Materials Science
- Optics
- Crystallography
Background:
- Nonlinear optical (NLO) materials are crucial for frequency conversion in lasers.
- Calcium boron fluoride (Ca(5)(BO(3))(3)F) (CBF) is a candidate material for NLO applications.
- Investigating novel materials is essential for advancing optical technologies.
Purpose of the Study:
- To investigate the nonlinear optical properties of flux-grown Ca(5)(BO(3))(3)F (CBF) crystals.
- To evaluate CBF's potential for ultraviolet (UV) light generation.
- To determine the efficiency and characteristics of second harmonic generation (SHG) in CBF.
Main Methods:
- Crystal growth using the flux method.
- Measurement of refractive index dispersion curves.
- Phase matching for second harmonic generation (SHG) of 1064 nm.
- Experimental determination of optical conversion efficiency and NLO coefficients.
Main Results:
- CBF is non-hygroscopic with moderate birefringence, suitable for UV generation.
- Refractive index dispersion suggests potential for 355 nm and 266 nm UV light generation.
- Achieved up to 54% optical conversion efficiency for SHG from 1064 nm to 532 nm.
- Estimated nonlinear d(eff) coefficients and external angular acceptance bandwidth for SHG.
Conclusions:
- CBF exhibits moderate NLO coefficients and significant potential for UV light generation.
- The achieved 54% conversion efficiency is a key finding for this material.
- CBF is a promising material for developing new nonlinear optical devices.
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