CLBO Crystal Fundamentals Explained

CLBO Crystal Fundamentals Explained

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On this paper, The brand new lapping slurry and sharpening slurry are launched. And the deliquescence diploma of CLBO is fallen to cheapest. A different Doing the job technological innovation is also adopted. Right after tough sprucing, the focus of extremely-precision sharpening slurry is greater correctly. So does the ultra-precision sprucing velocity, as well as wiping velocity is quicker in comparison to the deliquescence pace. The CLBO crystal area roughness can realize 1nm and preserve the floor high-quality well. Obtain as a result of your establishment

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Based on the evidence-of-principle experiment, the conversion efficiency of 23% implied the potential of obtaining superior-electrical power at the next Stokes wavelength with the Raman laser. If the pump laser of 1078 nm could possibly be received at the typical electric power of 50 W, the output electrical power of its 2nd Stokes wavelength at 1512 nm may be a lot more than 10 W. The design on the Raman laser cavity must be optimized in an effort to avoid the harm of the M1 and diamond area.

全固态紫外激光器以其体积小、寿命长、效率高、光束质量好、调谐范围宽、谱线窄等优点，广泛应用于机械探伤、光刻、微加工和医学等领域，等，利用大功率近红外相干光源作为基于非线性调谐技术的基频源，通过多级变频产生紫外相干辐射被认为是发展紫外相干光源的重要途径。紫外相干光源的关键问题是研制紫外波段的非线性光学变频晶体。非线性光学晶体是实现频率变换的条件之一，因此对非线性光学晶体的生长、尺寸、损伤电阻、转换效率和允许的参数范围提出了越来越高的要求。

Alternatively, the beam quality of this better electricity DUV laser would grow to be worse resulting from a lot more major thermal and nonlinear consequences. Consequently, the frequency conversion procedures ought to be thoroughly designed to mitigate the aforementioned effects. Hence, a substantial-electric power DUV laser within the FHG of one μm with a superb beam quality might be acquired and will be advantageous for acquiring the shorter wavelength DUV lasers for instance 193 nm by SFG.

LBO can also be an outstanding nonlinear crystal which is often applied to the SHG through the NIR to the eco-friendly. The DUV laser is frequently understood by two levels of SFG in the LBO crystals because there isn't a phase-matching angle for LBO to convert the inexperienced laser at 515 nm or 532 nm to the DUV immediately by SHG [sixteen]. Recently, the NSBBF crystal has also shown its prospective to obtain a large conversion efficiency from 532 nm to 266 nm. The wander-off angle and deff with the NSBBF are Just about comparable to These of CLBO [seventeen].

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While in the scientific and industrial apps, the beam quality from the DUV laser is additionally a vital parameter. Notably, the beam good quality on the DUV laser substantially impacts the laser machining final results. The beam high quality of the DUV laser is decided by that of the fundamental laser and the crystal with the frequency conversion. Not too long ago, a higher-ability DUV laser (>10 W) at 258 nm was described using a beam high-quality of M2 < 1.5, which was created by FHG of the Yb:YAG laser at 1030 nm using the CLBO crystal [13]. This laser would bring on a greater laser machining end result compared to the earlier DUV lasers with much larger M2.

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Furthermore, combining the strong-condition laser with other nonlinear process like stimulated Raman scattering, NIR lasers might be accomplished at new wavelengths with higher ability and higher beam good quality, click here which was analyzed from the proof-of-principle experiment. This Raman laser plan gives a completely new route to the superior-electricity DUV laser, In particular with the wavelength of 193 nm.

Tunable ultraviolet laser resource based upon stable-condition dye laser technological know-how and CsLiB6O10 harmonic technology

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 can be grown from the stoichiometric melt with lessen viscosity.

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