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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。

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Because of the thermal lens impact within the sound-condition lasers, if the heating management is insufficient, It's not uncomplicated to get the sound-state laser that has a significant electrical power and also a significant beam top quality simultaneously. Recently, with the event of the thin disk laser and solitary-crystal fiber (SCF) laser, a significant-electricity laser at the elemental wavelength (one μm) were realized with a very good beam excellent Despite having a TEM00 mode beam [4,24], which would be great candidates for the basic of your DUV laser generation. An additional prospect for the fundamental could be the substantial-electrical power fiber laser which can be reached by coherent beam blend with M2 worth a lot less than one.

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Also, combining the stable-condition laser with other nonlinear procedure which include stimulated Raman scattering, NIR lasers may be obtained at new wavelengths with high electric power and large beam high quality, which was analyzed via the proof-of-basic principle experiment. This Raman laser scheme provides a fresh route to the significant-electrical power DUV laser, Primarily for the wavelength of 193 nm.

The beam profile shown in Figure 7b shown a great beam good quality as one of the merits of Raman laser, which would be beneficial to generate a 193-nm DUV laser with a top quality beam.

Its UV absorption edge reaches 180 nm. The efficient nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about twice as large as that of KDP. CLBO crystals is often grown in the stoichiometric soften with decreased viscosity.

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