The Definitive Guide to CLBO Crystal
The Definitive Guide to CLBO Crystal
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All-solid-state ultraviolet lasers happen to be extensively Utilized in the fields of mechanical flaw detection, lithography, micromachining and medicine for the advantages of little quantity, very long lifetime, substantial efficiency, excellent beam excellent, huge tuning and slender spectral line, and many others. Making use of significant electrical power near-infrared coherent gentle source as the elemental frequency supply determined by nonlinear tuning know-how, producing ultraviolet coherent radiation by multistage frequency conversion is considered to be an important solution to build the ultraviolet coherent mild resource.
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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。
However, the beam top quality of this better energy DUV laser would come to be worse as a consequence of a lot more major thermal and nonlinear effects. For this reason, the frequency conversion procedures ought to be meticulously created to mitigate the aforementioned results. So, a large-electric power DUV laser in the FHG of 1 μm with a very good beam good quality could be acquired and will be advantageous for obtaining the shorter wavelength DUV lasers for example 193 nm by SFG.
LBO is usually an outstanding nonlinear crystal which is always placed on the SHG within the NIR towards the inexperienced. The DUV laser is usually understood by two stages of SFG while in the LBO crystals since there's no period-matching angle for LBO to transform the inexperienced laser at 515 nm or 532 nm into the DUV directly by SHG [16]. Lately, the NSBBF crystal has also proven its possible to get a high conversion efficiency from 532 nm to 266 nm. The walk-off angle and deff from the NSBBF are Virtually much like those of CLBO [17].
On another aspect, the facility scaling of the NIR laser is an additional part to improve the ordinary energy of your 193-nm DUV laser. Mainly because of the not enough the high-electricity amplification Answer with the NIR laser (for instance at 1553 nm), nonlinear frequency procedures for example optical parameter oscillation (OPO) could be applied to develop a wavelength converter by shifting the wavelength from 1 μm to the desired wavelength and also getting relative better power [21]. Not too long ago, a diamond Raman laser showed its means in reaching a higher electric power plus a significant conversion performance in the 1st Stokes on the one-μm laser [22,23], which means the chance to be applied within the 193-nm DUV laser technology due to its higher Raman acquire and large frequency change.
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Tunable ultraviolet laser resource based on strong-state dye laser engineering and CsLiB6O10 harmonic era
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This cookie is utilized to file the enter contents as well as the development in the enter form. It does not retail outlet any personal knowledge.