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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Based on the evidence-of-basic principle experiment, the conversion efficiency of 23% implied the potential of reaching significant-power at the second Stokes wavelength in the Raman laser. In case the pump laser of 1078 nm can be attained at the typical electricity of 50 W, the output electrical power of its 2nd Stokes wavelength at 1512 nm could possibly be a lot more than 10 W. The design of the Raman laser cavity should be optimized in order to steer clear of the destruction of the M1 and diamond area.
The common ability from the NIR laser however has the possible to generally be enhanced to tens of watts including 70 W [26] Should the double-pass configuration may very well be used for the Yb:YAG SCF amplifier stage. As a result, if the conversion efficiency of 31% from NIR to DUV may be however managed at this larger electric power ailment, the average output electricity of your DUV laser at 258 nm might be over 20 W, which might certainly be a exceptional energy level for the DUV laser and lead to the unanticipated DUV laser machining final results. Moreover, for high-energy DUV laser, the UV injury on the nonlinear crystal, including the windows for CLBO crystal as well as the mirrors, is yet another vital parameter for long-lasting and secure operation.
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On the opposite facet, the ability scaling from the NIR laser is yet another facet to increase the regular energy with the 193-nm DUV laser. Because of the lack of the higher-electric power amplification Answer on the NIR laser (such as at 1553 nm), nonlinear frequency processes for instance optical parameter oscillation (OPO) might be applied to make a wavelength converter by shifting the wavelength from one μm to the specified wavelength and obtaining relative greater electrical power [21]. A short while ago, a diamond Raman laser showed its skill in reaching a significant power as well as a superior conversion performance at the 1st Stokes from the 1-μm laser [22,23], which implies the possibility for being utilized inside the 193-nm DUV laser generation due to its substantial Raman achieve and huge frequency shift.
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Tunable ultraviolet laser supply depending on sound-condition dye laser technological innovation and CsLiB6O10 harmonic era
Its UV absorption edge reaches a hundred and eighty nm. The productive nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about two times as large as that of KDP. CLBO crystals is usually grown from the stoichiometric soften with decrease viscosity.
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