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Studies on optical, thermal, mechanical and dielectric properties of L-Cysteine doped KDP crystal to explore NLO device applications

R. N. SHAIKH1, MOHD ANIS1,2, G. RABBANI3, M. D. SHIRSAT4, S. S. HUSSAINI1,*

Affiliation

  1. Crystal Growth Laboratory, Department of Physics, Milliya Arts, Science and Management Science, College, Beed-431122, Maharashtra, India
  2. Department of Physics, Sant Gadge Baba Amravati University, Amravati 444602, Maharashtra, India
  3. Department of Physics and Electronics, Maulana Azad College Aurangabad- 431 001, Maharashtra, India
  4. Intelligent Materials Research Laboratory, Department of Physics, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad-431004, Maharashtra, India

Abstract

The amino acid L-Cysteine (LC) doped KDP crystal has been grown by slow evaporation technique. The cell parameters of grown crystal were determined by single crystal XRD analysis. The improved optical transparency and wide transmission range of LC doped KDP crystal has been investigated using UV-visible studies. The enhanced optical band gap of LC doped KDP is found to be 5.3 eV. The TG-DTA analysis was carried to examine the thermal stability of grown crystal. The mechanical stability of LC doped KDP crystal has been tested using Vicker’s microhardness tester. The dielectric constant and dielectric loss of LC doped KDP crystal has been measured at varying frequency and temperatures. The SHG efficiency was determined using Kurtz-Perry powder test. The third order nonlinear optical parameters of LC doped KDP crystal were determined using Z-scan technique. The effective third order nonlinear susceptibility (χ3) of LC doped KDP is found to be 2.96 × 10-5 esu..

Keywords

Crystal growth, Optical properties, Dielectric properties, Thermal analysis.

Citation

R. N. SHAIKH, MOHD ANIS, G. RABBANI, M. D. SHIRSAT, S. S. HUSSAINI, Studies on optical, thermal, mechanical and dielectric properties of L-Cysteine doped KDP crystal to explore NLO device applications, Optoelectronics and Advanced Materials - Rapid Communications, 10, 7-8, July-August 2016, pp.526-531 (2016).

Submitted at: May 5, 2015

Accepted at: Aug. 3, 2016