053 μm. The absorption spectrum of ammonia was offered to exhibit the feasibility on the produced optical parametric oscillator program for spectroscopic measurements and gas detection.

The importance with the received outcomes lies in The point that to get the similar conversion in SHG or DFM, a single now involves fundamental input radiation with Considerably lessen depth.

The 1st-concepts density useful calculations are done to review the geometries and electronic buildings of HgGa2X4 (X = S, Se, Te) semiconductors with defect chalcopyrite structures, and the optical Attributes of all crystals are investigated systematically. The effects reveal that these compounds have equivalent band buildings as well as band gap decreases from S to Se to Te. For your linear optical properties, a few crystals exhibit fantastic gentle transmission while in the IR and element visible locations, and especially, HgGa2S4 and HgGa2Se4 crystals possess moderate birefringence.

The concept of chemical transportation reactions (volatilization of a fabric via a lower-volatile chemical intermediate in a temperature T1 and back-response in the combination at a temperature T2, utilizing the temperature dependence in the chemical equilibrium associated) can be a beneficial Resource for growing solitary crystals of numerous materials which cannot be easily acquired through the soften.

Self-referenced octave-large subharmonic GaP optical parametric oscillator centered at 3 μm and pumped by an Er-fiber laser

brought on oscillations inside the idler wavelength of lower than 200MHz above 300s; the brief-time period stability was lower than 3MHz

Taxonomy, chemical bonding relations and nonlinear optical Qualities of noncentrosymmetric sulfide crystals

air gap and energized in series by a typical pump beam. The section from the interference depends on the stage shifts at 3 frequencies.

Vibrational spectra of Li-that contains nonlinear crystals as well as their software in THz radiation technology are discussed. Utilizing an example of LiGaS2, the defect impact on spectroscopic characteristics is shown. Large-temperature annealing in a suitable atmosphere will allow one particular to eliminate extended and point defects and also to improve the transparency. Electrical power structure and parameters of most important issue defects like anion vacancy (F-Middle) and cation antisite defect GaLi calculated from the 1st principles agree perfectly Along with the experimental results.

The technology of escalating mercury thiogallate crystals (HgGa2S4) is improved and superior-excellent bulk samples are produced. The basic optical and thermal Houses of those crystals are researched. The transmission spectra of mercury thiogallate are measured and its nonlinear properties like the quadratic susceptibility, tuning curves, as well as optical-harm resistance will also be decided.

The defect check here chalcopyrite crystal HgGa2S4 has been used inside of a 1064-nm pumped optical parametric oscillator to produce Nonlinear crystals for optical parametric oscillators pumped by light-weight pulses of around IR lasers...

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An easy quantum model agrees very well Together with the experimental benefits and makes it possible to interpret the influence regarding

Variance frequency mixing of strongly focused Gaussian beams in periodically poled LiNbO3 was investigated. The beams ended up concentrated Within the crystal with no destruction. Mixing of cw and pulsed laser units was used to attenuate the thermal lensing outcomes within this crystal. A lower-electrical power cw one.064‐μm Nd:YAG laser beam was used because the pump, While the signal beam came from the picosecond optical .