HgGa2S4 Crystal Options
HgGa2S4 Crystal Options
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With the advent of new nonlinear supplies and one-frequency pump resources, There may be renewed curiosity in optical parametric oscillators (OPOs). Just one-mode diode-laser-pumped monolithic Nd:YAG nonplanar ring laser that is certainly each amplified and frequency doubled is utilized to pump a monolithic MgO:LiNbO3 pulsed singly resonant OPO.
Output idler energies on the microjoule level are obtained with maximum conversion efficiency of 11% for your amplifier phase, which happens to be greater than two occasions better than the outcomes received with an analogous sample of the widely spread product AgGaS 2 .
This system enables the Procedure of extensively tunable optical parametric oscillators2 (OPO) and subsequent variation frequency generators3 creating tunable pulses of higher peak electric power. The higher Strength on the pump pulse trains has specified benefits for the operation of a synchronously pumped OPO, e.g., calm steadiness needs, as well as the possible to operate with big cavity losses (e.g. steel mirrors) allowing for massive tuning ranges with a single set of mirrors and high output-coupling aspects for pulse shortening.
The superior conversion performance and big selection of radiation wavelength tuning enables to count on this content may perhaps contend with AgGaS2, AgGaSe2, ZnGeP2 and GaSe crystals in spite of the sizeable trouble of massive sizing crystals expansion process.
A laser gasoline analyzer has been made for identifying the composition of exhaled air by way of photoacoustic spectroscopy. The analyzer, based upon a broadband optical parametric oscillator and photoacoustic detector, gives substantial-precision speedy Investigation with the multicomponent composition of human exhaled air for dynamic estimation of your efficiency of dealing with bronchus and lung conditions.
We report the implementation of a KTP optical parametric oscillator pumped by a pulsed Ti:sapphire laser. Like sign and idler, it could be continually tuned from one.261 by way of 2.532 μm by various the pump wavelength. Two significant improvements were reached, such as the connection on the signal and idler tuning ranges as well as substantial output pulse Electrical power throughout the signal and idler tuning ... [Display comprehensive summary] ranges. The very first improvement was obtained by finding two particular sets of stage-matching angles. The next improvement was recognized by using five sets of resonator mirrors for oscillating both sign or idler.
The technology of tunable pico- and femtosecond light-weight pulses with parametric frequency conversion processes has captivated greater attention recently1. New crystal materials, as BBO, LBO, and KTP, with top-quality nonlinearity and high harm threshold are actually accessible, and pump lasers of improved stability allow the trusted operation of optical parametric oscillators. Parametric products pumped ... [Demonstrate entire abstract] possibly by cw modelocked lasers or by one extreme ultrashort pulses have been produced. With this contribution parametric techniques are talked over which happen to be pumped by intensive pulse trains of a few microseconds duration and repetition rates as many as 50Hz.
This re-creation has long been current and revised to includeimportant developments, ideas and technologies that haveemerged since the publication of the primary edition.
Also, we done a numerical simulation of chirped-pulse OPOs (CPOPOs) and disclosed which the spectral profile of the output from the CPOPO was related to both of those the parametric attain profile in the nonlinear crystal as well as the intra-cavity superior-purchase dispersion.
Assessment of recent, promising huge-band-hole nonlinear crystals to the mid-IR is specified. We centered on ternary and quaternary chalcogenides and centered on their Actual physical and chemical Homes, which in get more info addition to linear and nonlinear optical Homes, decide the effectiveness of crystal usage in particular laser experiments. The correlation between the composition, structure and output parameters in addition to the tendencies in variations of the primary traits for example band hole, nonlinear susceptibility, laser harm threshold, and so forth, are shown.
The defect chalcopyrite crystal HgGa2S4 continues to be used in the 1064-nm pumped optical parametric oscillator to create Nonlinear crystals for optical parametric oscillators pumped by light pulses of close to IR lasers...
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Solitary-stage sub-two hundred fs mid-infrared era from an optical parametric oscillator synchronously pumped by an erbium fiber laser
Diode-pumped optical parametric oscillation has actually been shown for The very first time to our know-how in an individual Nd:MgO:LiNbO3 nonlinear crystal. The crystal is pumped by a semiconductor diode laser array at 812 nm. The Nd³�?ions take up the 812-nm radiation to deliver 1084-nm laser oscillation.