Nonlinear optical response of inorganic metal cluster MoCu3Se4(PPh3)3Cl solution |
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| Authors: | Y Xiong Q Zhang X Sun W Tan X Xin W Ji |
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| Institution: | (1) International School of Photonics, Cochin University of Science and Technology, Kochi, 682022, India;(2) Centre of Excellence in Lasers and Optoelectronics Sciences, Cochin University of Science and Technology, Kochi, 682022, India;(3) Department of Chemical Engineering, Indian Institute of Technology Bombay, Mumbai, 400076, India;(4) School of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Mumbai, 400076, India |
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| Abstract: | The pump-probe response of the metal cluster MoCu3Se4(PPh3)3/CH2Cl2 solution is similar to that of CBS, which implies a nonlinear scattering origin of its nonlinearity. To testify how much the nonlinear scattering contributes to the optical limiting process, we employ a method by inserting a light collection lens in a standard OL experimental setup. Results from such an experiment show that nonlinear scattering is important when the concentration is low. For a high-concentration sample, the nonlinear energy loss is mainly related to thermal induced nonlinear absorption. |
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