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12 March 2020 Electro-optic pulse generation at the 2μm wavelength range in proximity to the ferroelectric phase transition in KLTN crystals
Yehuda Vidal, Salman Noach, Aharon J. Agranat
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Proceedings Volume 11281, Oxide-based Materials and Devices XI; 112811T (2020) https://doi.org/10.1117/12.2548167
Event: SPIE OPTO, 2020, San Francisco, California, United States
Abstract
The electro-optic performance in free space at the 2 μ๐‘š wavelength range of potassium lithium tantalate niobate (KLTN) crystal operated at the paraelectric phase close to the phase transition temperature (Tc) is explored. An electrically induced change in the refractive index approaching 0.01 was demonstrated close to the phase transition temperature, while maintaining high optical quality and transparency at a wavelength of 1.85 μ๐‘š. A special crystal geometry was employed in order to suppress unwanted acousto-optic oscillations that were superimposed on the generated pulse due the strong electrostriction of KLTN close to Tc.
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Yehuda Vidal, Salman Noach, and Aharon J. Agranat "Electro-optic pulse generation at the 2μm wavelength range in proximity to the ferroelectric phase transition in KLTN crystals", Proc. SPIE 11281, Oxide-based Materials and Devices XI, 112811T (12 March 2020); https://doi.org/10.1117/12.2548167
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KEYWORDS
Crystals
Electro optics
Refractive index
Dielectrics
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