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Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals
Published on: May 29, 2018
Linear electro-optic effect in the organic crystal 4-aminobenzophenone
S Lochran1, R T Bailey, F R Cruickshank
1Department of Pure and Applied Chemistry, University of Strathclyde, 295 Cathedral Street, Glasgow G1 1XL, Scotland, United Kingdom.
Applied Optics
|January 20, 1997
Summary
The linear electro-optic effect was studied in 4-aminobenzphenone (ABP) crystals. This research provides key electro-optic coefficients and half-wave voltage data for ABP and lithium niobate (LiNbO3).
Area of Science:
- Materials Science
- Optoelectronics
- Nonlinear Optics
Background:
- The linear electro-optic effect is crucial for optical modulation technologies.
- Accurate characterization of electro-optic materials is essential for device development.
- Lithium niobate (LiNbO3) is a benchmark material, but novel alternatives are sought.
Purpose of the Study:
- To investigate and report the linear electro-optic effect in 4-aminobenzphenone (ABP) single crystals.
- To determine the electro-optic coefficients (r22, r32) and reduced half-wave voltages for ABP.
- To provide calibration data using LiNbO3 for comparison.
Main Methods:
- Experimental measurement of the linear electro-optic effect.
- Utilizing optical interferometry techniques.
- Employing standard calibration procedures with LiNbO3 crystals.
Main Results:
- The linear electro-optic coefficients for ABP at 488 nm were determined as r(22) = 2.12 pm/V and r(32) = 5.05 pm/V.
- The corresponding reduced half-wave voltages for ABP were 49.4 ± 0.1 kV and 9.3 ± 0.1 kV.
- Calibration data for LiNbO3 showed half-wave voltages of 4.0 ± 0.1 kV (632.8 nm) and 2.4 ± 0.1 kV (488 nm).
Conclusions:
- 4-aminobenzphenone exhibits significant linear electro-optic properties.
- The determined coefficients and voltages offer valuable data for potential optoelectronic applications.
- The study establishes ABP as a material of interest for electro-optic device research.
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