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Article
Optical Properties and Terahertz Radiation Generation in a LI2B4O7 Crystal
Spectral dependences of components of the refractive index and absorption coefficient in a Li2B4O7 (LB4) nonlinear crystal are determined in the THz range for the first time. Measurements have been carried out in...
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Article
Remote Imaging by Nanosecond Terahertz Spectrometer with Standoff Detector
Creation and application of the remote imaging spectrometer based on high power nanosecond terahertz source with standoff detector is reported. 2D transmission images of metal objects hided in nonconductive (d...
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Article
Down-Conversion of Short-Wavelength Radiation in LBO Crystal
Comparative model analysis of the possibilities of down-conversion into the terahertz (THz) frequency range of radiation of all-solid-state femtosecond Ti:Sapphire laser systems and hybrid systems based on the...
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Article
Optimal Do** of GaSe Crystals for Nonlinear Optics Applications
Centimeter-sized crystals of GaSe have been grown by a modified vertical Bridgman method from a melt with content 0.01, 0.05, 0.1, 0.2, 0.5, 1, and 2 at.% Al and 0.025, 0.1, 0.5, 1, and 2 at.% Er using heat fi...
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Article
Optical properties of nonlinear solid solution GaSe1-x S x (0 < x ≤ 0.4) crystals
Transmission spectra and phase matching conditions for second harmonic generation in GaSe1–x S x (0 < x ≤ 0.4) solid solution crystals are experimentally...
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Article
GaSe1−x S x solid solutions
The most probable parameters of the pure, doped, and mixed GaSe1−xSx (x ≤ 0.4) crystals (solid solutions) are presented together with the results of investigations of their crystal structure and defects, optical ...