The best Side of CLBO Crystal
The best Side of CLBO Crystal
Blog Article
With this paper, The brand new lapping slurry and sharpening slurry are launched. Along with the deliquescence diploma of CLBO is fallen to cheapest. A new Performing technological know-how is also adopted. Soon after rough sprucing, the concentration of ultra-precision polishing slurry is enhanced effectively. So does the extremely-precision sprucing speed, as well as wiping pace is faster in comparison to the deliquescence velocity. The CLBO crystal area roughness can accomplish 1nm and keep the floor excellent properly. Accessibility by way of your institution
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The standard electric power in the NIR laser nonetheless has the prospective to be improved to tens of watts for example 70 W [26] When the double-move configuration might be used to the Yb:YAG SCF amplifier phase. For this reason, In the event the conversion efficiency of 31% from NIR to DUV might be continue to taken care of at this better electrical power ailment, the common output ability in the DUV laser at 258 nm may very well be greater than 20 W, which would be considered a impressive ability stage to the DUV laser and cause the unanticipated DUV laser machining effects. Moreover, for high-electrical power DUV laser, the UV problems of your nonlinear crystal, such as the Home windows for CLBO crystal along with the mirrors, is an additional essential parameter for long-term and steady operation.
On the flip side, the beam excellent of the larger power DUV laser would come to be even worse resulting from additional critical thermal and nonlinear consequences. For this reason, the frequency conversion processes really should be carefully made to mitigate the aforementioned outcomes. So, a significant-power DUV laser on the FHG of 1 μm with a very good beam top quality can be acquired and can be helpful for getting the shorter wavelength DUV lasers which include 193 nm by SFG.
A result of the thermal lens influence while in the sound-point out lasers, In case the heating management is insufficient, It's not at read more all uncomplicated to get the solid-condition laser with a substantial electrical power plus a superior beam quality simultaneously. Not long ago, with the event of the thin disk laser and one-crystal fiber (SCF) laser, a significant-electrical power laser at the elemental wavelength (one μm) were recognized with a superb beam top quality even with a TEM00 manner beam [4,24], which might be good candidates for the basic from the DUV laser technology. Yet another prospect for the elemental could be the high-ability fiber laser which may very well be achieved by coherent beam blend with M2 worth below 1.
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The heartbeat duration of the second Stokes light-weight was shortened to five ns as shown in Figure 7a, a single-shot image in the oscilloscope, which can be a standard phenomenon in Raman laser [44] although the pulse length of the pump laser was 10 ns.
Moreover, combining the stable-point out laser with other nonlinear system like stimulated Raman scattering, NIR lasers may be reached at new wavelengths with large electrical power and higher beam high quality, which was examined by the proof-of-basic principle experiment. This Raman laser plan presents a whole new route to the superior-power DUV laser, Specially on the wavelength of 193 nm.
The beam profile proven in Determine 7b demonstrated an excellent beam high-quality as one of several deserves of Raman laser, which would be helpful to make a 193-nm DUV laser with a top quality beam.
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