Detailed study on optical properties of Li2B4O7 for down-conversion to millimeter waves

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Detailed study on optical properties of Li2B4O7 for down-conversion to millimeter waves	977 KB	Adobe Acrobat PDF	Read	Download
DOI Доступ к ресурсу на сайте издателя			10.1117/12.2612528

Title: Detailed study on optical properties of Li2B4O7 for down-conversion to millimeter waves
Creator: Ezhov, Dmitry M.
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Nikolaev, Nazar A.
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Mamrashev, Alexander A.
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Andreev, Yury M.
Date: 2021
DOI: 10.1117/12.2612528
Description: Optical properties of single axes Li2B4O7 (LB4) crystal are defined at room temperature in the spectral range 0.03˗0.5 THz. Dispersion of the refractive index components are approximated in the form of Sellmeier equations. Dispersion properties were used to determine phase-matching conditions for THz wave generation by collinear difference frequency generation processes. To the damage threshold under the pump by train of hundreds of 60 fs pulses of Ti:sapphire laser operating at 950 nm is found to be 250 TW/cm2, as well as the coherence length and efficiency of all possible types of three wave interactions are defined.