CLBO Crystal Can Be Fun For Anyone
CLBO Crystal Can Be Fun For Anyone
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Even so, as a way to procedure the crystal is incredibly Superior producing tactics are required. For the reason that dawn of this crystal, working on this obstacle, we are now the only real business on the earth which can be processed Within this crystal.
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The standard electrical power of the NIR laser even now has the opportunity for being enhanced to tens of watts such as 70 W [26] In case the double-pass configuration can be utilized for your Yb:YAG SCF amplifier stage. As a result, In case the conversion performance of 31% from NIR to DUV could possibly be however maintained at this higher electricity ailment, the typical output electric power of the DUV laser at 258 nm may very well be much more than 20 W, which would be a outstanding power amount for your DUV laser and result in the unanticipated DUV laser machining results. Moreover, for top-electrical power DUV laser, the UV damage with the nonlinear crystal, including the Home windows for CLBO crystal plus the mirrors, is an additional essential parameter for long term and steady operation.
However, the beam high-quality of this larger electricity DUV laser would develop into worse resulting from much more really serious thermal and nonlinear results. Therefore, the frequency conversion processes need to be thoroughly built to mitigate the aforementioned outcomes. Thus, a higher-electrical power DUV laser with the FHG of 1 μm with a very good beam top quality may very well be acquired and will be helpful for getting the shorter wavelength DUV lasers for example 193 nm by SFG.
Equally the 1040 nm and 1078 nm laser come from one particular twin-wavelength Yb-doped fiber laser. Just about every laser is amplified by stages of fiber amplifier and Yb-doped elements amplifier, respectively.
On the other facet, the ability scaling from the NIR laser is yet another factor to raise the common electrical power of the 193-nm DUV laser. A result of the insufficient the high-electric power amplification Resolution from the NIR laser (such as at 1553 nm), nonlinear frequency procedures like optical parameter oscillation (OPO) can be applied to produce a wavelength converter by shifting the wavelength from one μm to the desired wavelength and also getting relative increased electric power [21]. Not too long ago, a diamond Raman laser confirmed its skill in achieving a large electricity in addition to a high conversion efficiency in the 1st Stokes in the 1-μm laser [22,23], which implies the chance to generally be applied within the 193-nm DUV laser era as a consequence of its superior Raman attain and enormous frequency change.
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The heart beat duration of the next Stokes light-weight was shortened to 5 ns as proven in Determine 7a, a single-shot picture within the oscilloscope, that's a standard phenomenon in Raman laser [44] even though the heart beat duration in the pump laser was 10 ns.
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Tunable ultraviolet laser resource based upon reliable-state dye laser engineering and CsLiB6O10 harmonic generation
Its UV absorption edge reaches 180 nm. The helpful nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about two times as substantial as that of KDP. CLBO crystals could be developed with the stoichiometric soften with reduce viscosity.
The event of the 193-nm laser was demonstrated by phases of SFG. In order to scale the DUV laser electrical power proficiently, a new notion in the 193-nm DUV laser era is offered based upon the diamond Raman laser.