The Basic Principles Of CLBO Crystal
The Basic Principles Of CLBO Crystal
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Within this paper, The brand new lapping slurry and sharpening slurry are launched. Along with the deliquescence degree of CLBO is fallen to least expensive. A different Doing work know-how can be adopted. Right after tough polishing, the focus of extremely-precision sharpening slurry is elevated thoroughly. So does the extremely-precision polishing pace, and also the wiping velocity is quicker in comparison to the deliquescence pace. The CLBO crystal surface roughness can realize 1nm and maintain the floor good quality effectively. Obtain through your institution
When compared with BBO it capabilities much larger spectral and temperature acceptance, much better angle tolerance, along with a smaller wander-off angle. from 3289 $ shipping
In accordance with the evidence-of-theory experiment, the conversion efficiency of 23% implied the possibility of obtaining large-energy at the 2nd Stokes wavelength with the Raman laser. In the event the pump laser of 1078 nm might be attained at the normal energy of fifty W, the output energy of its 2nd Stokes wavelength at 1512 nm could be in excess of 10 W. The design of your Raman laser cavity must be optimized as a way to avoid the problems with the M1 and diamond floor.
The typical electric power from the NIR laser even now has the potential being enhanced to tens of watts including 70 W [26] Should the double-pass configuration could possibly be used with the Yb:YAG SCF amplifier phase. As a result, When the conversion efficiency of 31% from NIR to DUV could possibly be continue to maintained at this greater electrical power issue, the normal output electric power with the DUV laser at 258 nm may be a lot more than 20 W, which would certainly be a impressive electric power level for the DUV laser and lead to the unanticipated DUV laser machining outcomes. Additionally, for prime-electrical power DUV laser, the UV harm of your nonlinear crystal, including the Home windows for CLBO crystal plus the mirrors, is yet another critical parameter for long-term and secure operation.
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Both of those the 1040 nm and 1078 nm laser originate from a person dual-wavelength Yb-doped fiber laser. Each and every laser is amplified by levels of fiber amplifier and Yb-doped products amplifier, respectively.
On one other aspect, the facility scaling on the NIR laser is yet another facet to increase the normal power in the 193-nm DUV laser. Due to the deficiency of the superior-electrical power amplification Alternative from the NIR laser (one example is at 1553 nm), nonlinear frequency procedures which include optical parameter oscillation (OPO) might be placed on create a wavelength converter by shifting the wavelength from 1 μm to the desired wavelength and also acquiring relative better ability [21]. Lately, a diamond Raman laser showed its capability in reaching a higher electrical power and also a significant conversion efficiency at the 1st Stokes of the one-μm laser [22,23], which suggests the likelihood to become used during the 193-nm DUV laser era as a result of its high Raman attain and huge frequency shift.
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Its UV absorption edge reaches a hundred and eighty nm. The powerful nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about twice as large as that of KDP. CLBO crystals may be grown with the stoichiometric melt with lower viscosity.
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