The smart Trick of CLBO Crystal That Nobody is Discussing
The smart Trick of CLBO Crystal That Nobody is Discussing
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We summarized The present enhancement status of the substantial-electricity DUV laser equally in the wavelength of FHG of your 1-μm laser and at 193 nm. The modern enhancement with the solid-state/fiber laser, in addition to the nonlinear optical crystals, prompts not simply the normal electric power and also the beam excellent (coherence) of your DUV lasers to an unparalleled degree.
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。
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LBO is additionally a superb nonlinear crystal which is usually applied to the SHG through the NIR into the green. The DUV laser will likely be understood by two stages of SFG from the LBO crystals considering the fact that there isn't any period-matching angle for LBO to transform the green laser at 515 nm or 532 nm towards the DUV straight by SHG [sixteen]. Lately, the NSBBF crystal has also revealed its possible to obtain a large conversion performance from 532 nm to 266 nm. The walk-off angle and deff on the NSBBF are Just about similar to those of CLBO [seventeen].
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Its UV absorption edge reaches 180 nm. The helpful nonlinear check here optical coefficient of CLBO for frequency doubling at 1064nm is about two times as significant as that of KDP. CLBO crystals might be developed within the stoichiometric melt with lower viscosity.
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