The 2-Minute Rule for CLBO Crystal
The 2-Minute Rule for CLBO Crystal
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In this particular paper, The brand new lapping slurry and polishing slurry are released. And also the deliquescence degree of CLBO is fallen to least expensive. A completely new Doing work technologies can also be adopted. Right after tough sprucing, the focus of ultra-precision sprucing slurry is elevated effectively. So does the extremely-precision polishing speed, along with the wiping speed is quicker in comparison to the deliquescence velocity. The CLBO crystal floor roughness can realize 1nm and retain the surface area high quality very well. Entry via your institution
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Based on the proof-of-basic principle experiment, the conversion efficiency of 23% implied the potential for achieving substantial-power at the next Stokes wavelength of your Raman laser. When the pump laser of 1078 nm could possibly be acquired at the common 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 to be able to steer clear of the hurt from the M1 and diamond surface.
The important thing dilemma of ultraviolet coherent light-weight source mostly concentrates on the development of nonlinear optical frequency conversion crystal in ultraviolet band. The nonlinear optical crystal is one of the situations for frequency transformation, so the growth, measurement, injury resistance, conversion efficiency and allowable parameter range of nonlinear optical crystal are required A growing number of.
Conversely, the beam good quality of the larger power DUV laser would turn into worse as a consequence of far more serious thermal and nonlinear results. As a result, the frequency conversion processes really should be cautiously intended to mitigate the aforementioned consequences. Therefore, a substantial-electricity DUV laser for the FHG of 1 μm with a great beam top quality can be obtained and may be effective for getting the shorter wavelength DUV lasers for instance 193 nm by SFG.
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On one other side, the facility scaling in the NIR laser is an additional component to boost the typical power from the 193-nm DUV laser. Because of the insufficient the superior-electrical power amplification Alternative on the NIR laser (one example is at 1553 nm), nonlinear frequency processes such as optical parameter oscillation (OPO) could possibly be placed on establish a wavelength converter by shifting the wavelength from 1 μm to the desired wavelength along with acquiring relative increased ability [21]. Lately, a diamond Raman laser showed its capability in attaining a large electricity in CLBO Crystal addition to a higher conversion efficiency on the 1st Stokes in the 1-μm laser [22,23], which implies the chance to be used during the 193-nm DUV laser technology as a consequence of its significant Raman attain and enormous frequency shift.
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Additionally, combining the solid-condition laser with other nonlinear system including stimulated Raman scattering, NIR lasers can be attained at new wavelengths with significant power and higher beam good quality, which was examined via the evidence-of-basic principle experiment. This Raman laser plan provides a brand new route to the substantial-power DUV laser, Specifically with the wavelength of 193 nm.
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