Rumored Buzz on CLBO Crystal
Rumored Buzz on CLBO Crystal
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We summarized The present development position on the large-electric power DUV laser both of those in the wavelength of FHG of the one-μm laser and at 193 nm. The new growth in the strong-point out/fiber laser, as well as the nonlinear optical crystals, prompts not merely the normal electrical power but additionally the beam high quality (coherence) with the DUV lasers to an unparalleled degree.
The common electricity in the NIR laser nonetheless has the probable to be enhanced to tens of watts which include 70 W [26] if the double-pass configuration could be utilized with the Yb:YAG SCF amplifier stage. That's why, Should the conversion performance of 31% from NIR to DUV could possibly be however maintained at this greater electrical power affliction, the standard output ability with the DUV laser at 258 nm might be over 20 W, which might be described as a amazing electricity stage with the DUV laser and result in the unanticipated DUV laser machining final results. Moreover, for high-electricity DUV laser, the UV damage of your nonlinear crystal, such as the windows for CLBO crystal as well as the mirrors, is yet another crucial parameter for lasting and stable operation.
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The conversion effectiveness from fundamental NIR to DUV is from five% to 36% according to the noted leads to Desk 1. Rising the conversion performance will decrease the load on the look and setup of the fundamental laser amplifier together with the electrical electric power usage. A very good beam high quality of the basic laser may even add towards the increasing in the conversion effectiveness together with the right CLBO Crystal ability depth with the NIR and eco-friendly laser in the SHG and FHG course of action, respectively. The very best conversion efficiencies from NIR to green and environmentally friendly to DUV laser by usage of CLBO crystal are 70% and all-around 50%, respectively [twelve], which corresponds into the conversion effectiveness of 35% from fundamental to DUV.
The event in the 193-nm laser was shown by stages of SFG. In order to scale the DUV laser electric power properly, a brand new notion on the 193-nm DUV laser era is presented according to the diamond Raman laser.