The smart Trick of CLBO Crystal That Nobody is Discussing
The smart Trick of CLBO Crystal That Nobody is Discussing
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We summarized The present development standing on the superior-electric power DUV laser equally in the wavelength of FHG with the 1-μm laser and at 193 nm. The new advancement with the strong-state/fiber laser, and also the nonlinear optical crystals, prompts not merely the average electricity and also the beam quality (coherence) in the DUV lasers to an unparalleled stage.
The real key problem of ultraviolet coherent light source primarily focuses on the development of nonlinear optical frequency conversion crystal in ultraviolet band. The nonlinear optical crystal is among the problems for frequency transformation, so the growth, dimension, injury resistance, conversion efficiency and allowable parameter selection of nonlinear optical crystal are needed A growing number of.
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As a result of thermal lens impact within the solid-condition lasers, When the heating administration is insufficient, It's not necessarily effortless to acquire the reliable-state laser by using a large ability plus a high beam good quality simultaneously. Not long ago, with the event of the thin disk laser and single-crystal fiber (SCF) laser, a significant-power laser at the fundamental wavelength (1 μm) had been recognized with a very good beam high quality Despite a TEM00 method beam [4,24], which would be fantastic candidates for the elemental in the DUV laser era. One more applicant for the fundamental may be the large-electricity fiber laser which may be reached by coherent beam mixture with M2 value lower than one.
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The heartbeat duration of the next Stokes light was shortened to five ns as shown in Determine 7a, a single-shot photo from your oscilloscope, that is a typical phenomenon in Raman laser [forty four] CLBO Crystal though the heartbeat period from the pump laser was 10 ns.
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Tunable ultraviolet laser source dependant on solid-point out dye laser technology and CsLiB6O10 harmonic technology
The conversion effectiveness from fundamental NIR to DUV is from five% to 36% according to the described leads to Desk 1. Raising the conversion performance will reduce the load on the look and setup of the basic laser amplifier along with the electric electrical power consumption. A very good beam good quality of the basic laser will likely contribute to the escalating in the conversion efficiency and the suitable electricity depth with the NIR and inexperienced laser from the SHG and FHG approach, respectively. The highest conversion efficiencies from NIR to green and green to DUV laser by usage of CLBO crystal are 70% and all around fifty%, respectively [12], which corresponds for the conversion performance of 35% from essential to DUV.
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