In this paper, The brand new lapping slurry and sprucing slurry are launched. And the deliquescence degree of CLBO is fallen to least expensive. A fresh Doing work technology is usually adopted. Just after tough sprucing, the focus of extremely-precision sprucing slurry is amplified properly. So does the extremely-precision sharpening speed, plus the wiping velocity is quicker compared to the deliquescence speed. The CLBO crystal surface roughness can obtain 1nm and retain the area excellent properly. Accessibility by means of your institution
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The important thing difficulty of ultraviolet coherent mild supply predominantly concentrates on the development of nonlinear optical frequency conversion crystal in ultraviolet band. The nonlinear optical crystal has become the conditions for frequency transformation, so the growth, dimension, injury resistance, conversion effectiveness and allowable parameter number of nonlinear optical crystal are demanded Increasingly more.
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Mainly because of the thermal lens influence during the strong-point out lasers, Should the heating administration is insufficient, It's not effortless to acquire the reliable-condition laser by using a large electrical power and a superior beam good quality concurrently. Recently, with the development of the thin disk laser and solitary-crystal fiber (SCF) laser, a substantial-electrical power laser at the elemental wavelength (1 μm) were understood with a fantastic beam high quality Despite having a TEM00 mode beam [four,24], which would be fantastic candidates for the basic of your DUV laser technology. One more prospect for the fundamental will be the significant-electrical power fiber laser which can be realized by coherent beam mixture with M2 worth a lot less than 1.
On the other aspect, the facility scaling with the NIR laser is an additional facet to raise the common energy with the 193-nm DUV laser. Due to not enough the superior-energy amplification Answer of your NIR laser (by way of example at 1553 nm), nonlinear frequency procedures such as optical parameter oscillation (OPO) might be placed on produce a wavelength converter by shifting the wavelength from 1 μm to the desired wavelength in addition to obtaining relative greater power [21]. Just lately, a diamond Raman laser confirmed its potential in reaching a significant energy along with a substantial conversion performance with the 1st Stokes of the 1-μm laser [22,23], which suggests the likelihood to generally be used within the 193-nm DUV laser era as a consequence of its large Raman get and huge frequency shift.
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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the simplest non-linear crystal which generates ultraviolet harmonics of the Nd:YAG fundamental laser wavelength. In an effort to greatly enhance the harm threshold, lower CLBO floor roughness, by extremely-precision machining, is necessary. Because the CLBO crystal has simple hydroscopic reaction and micro scratches in machining, ultra-precise machining of the CLBO crystal is actually a hard complex trouble.
Tunable ultraviolet laser source based on reliable-point out dye laser technology and CsLiB6O10 harmonic technology
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The development of the 193-nm laser was shown by phases of SFG. As a way to scale the DUV laser electric power proficiently, a fresh concept on the 193-nm DUV laser generation is offered based on more info the diamond Raman laser.