The smart Trick of CLBO Crystal That No One is Discussing
The smart Trick of CLBO Crystal That No One is Discussing
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The normal power with the NIR laser even now has the prospective to be enhanced to tens of watts for instance 70 W [26] In the event the double-go configuration may very well be utilized for that Yb:YAG SCF amplifier stage. As a result, If your conversion performance of 31% from NIR to DUV may be still taken care of at this higher electricity condition, the common output ability from the DUV laser at 258 nm may be more than 20 W, which would be considered a impressive electric power amount for the DUV laser and bring about the unanticipated DUV laser machining benefits. Also, for prime-electric power DUV laser, the UV problems on the nonlinear crystal, such as the windows for CLBO crystal as well as mirrors, is yet another significant parameter for lasting and steady operation.
Conversely, the beam good quality of the greater ability DUV laser would grow to be even worse as a consequence of additional significant thermal and nonlinear outcomes. Hence, the frequency conversion processes must be diligently made to mitigate the aforementioned results. Hence, a substantial-ability DUV laser at the FHG of 1 μm with a superb beam quality might be obtained and may be effective for obtaining the shorter wavelength DUV lasers like 193 nm by SFG.
Each the 1040 nm and 1078 nm laser originate from just one dual-wavelength Yb-doped fiber laser. Every laser is amplified by stages of fiber amplifier and Yb-doped materials amplifier, respectively.
On the opposite aspect, the power scaling from the NIR laser is yet another part to raise the typical power from the 193-nm DUV laser. Due to the deficiency of the large-power amplification Resolution from the NIR laser (one example is at 1553 nm), nonlinear frequency procedures for instance optical parameter oscillation (OPO) could possibly be placed on build a wavelength converter by shifting the wavelength from 1 μm to the specified wavelength as well as obtaining relative increased electric power [21]. Recently, a diamond Raman laser showed its potential in acquiring a high electrical power along with a significant conversion efficiency on the 1st Stokes of the one-μm laser [22,23], which means the chance to generally be used during the 193-nm DUV laser era on account of its substantial Raman achieve and huge frequency shift.
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Tunable ultraviolet laser source depending on reliable-condition dye laser technological know-how and CsLiB6O10 harmonic generation
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