Examine This Report on CLBO Crystal
Examine This Report on CLBO Crystal
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All-stable-state ultraviolet lasers have been commonly used in the fields of mechanical flaw detection, lithography, micromachining and medication for the advantages of modest quantity, lengthy lifestyle, substantial effectiveness, great beam excellent, wide tuning and slim spectral line, etcetera. Employing higher electric power close to-infrared coherent mild supply as the elemental frequency source determined by nonlinear tuning technologies, producing ultraviolet coherent radiation by multistage frequency conversion is viewed as a significant approach to establish the ultraviolet coherent light source.
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We summarized The present development standing of the substantial-electric power DUV laser both equally in the wavelength of FHG on the one-μm laser and at 193 nm. The latest enhancement in the stable-point out/fiber laser, in addition to the nonlinear optical crystals, prompts not simply the average electrical power and also the beam good quality (coherence) with the DUV lasers to an unparalleled amount.
The key problem of ultraviolet coherent light resource primarily focuses on the development of nonlinear optical frequency conversion crystal in ultraviolet band. The nonlinear optical crystal is probably the ailments for frequency transformation, so the growth, dimension, harm resistance, conversion efficiency and allowable parameter number of nonlinear optical crystal are expected An increasing number of.
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The conversion efficiency from essential NIR to DUV is from 5% to 36% in accordance with the described leads to Desk 1. Raising the conversion efficiency will lessen the burden on the look and set up of the basic laser amplifier along with the electrical energy intake. A good beam good quality of the basic laser will likely contribute to your increasing in the conversion performance as well as the appropriate electricity depth with the NIR and environmentally friendly laser in the SHG and FHG method, respectively. The very best conversion efficiencies from NIR to eco-friendly and eco-friendly to DUV laser by utilization of CLBO crystal are 70% and close to 50%, respectively [12], which corresponds to the conversion performance of 35% from basic to DUV.
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