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22 February 2018 Zinc selenide: an extraordinarily nonlinear material
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Proceedings Volume 10528, Optical Components and Materials XV; 105281X (2018)
Event: SPIE OPTO, 2018, San Francisco, California, United States
Zinc Selenide (ZnSe) has long been recognized as a nonlinear optical material and is used in many optoelectronic devices such as light emitting diodes. ZnSe is known for its remarkably wide transmission range for infrared radiation leading to its use in infrared laser applications. In this report, we discuss higher order harmonic generation when exposing ZnSe to tunable femtosecond mid-IR laser pulses with wavelengths ranging from 2.7 μm to 8.0 μm and pulse energies between 3 and 17 μJ. Higher order harmonic generation was in some instances strong enough to be directly seen by the unaided eye. We also compare these results with measurements taken for other optical materials.
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Christopher B. Marble, Sean P. O'Connor, Dawson T. Nodurft, Vladislav V. Yakovlev, and Andrew W. Wharmby "Zinc selenide: an extraordinarily nonlinear material", Proc. SPIE 10528, Optical Components and Materials XV, 105281X (22 February 2018);

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