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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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The two the 1040 nm and 1078 nm laser originate from a person dual-wavelength Yb-doped fiber laser. Every single laser is amplified by stages of fiber amplifier and Yb-doped products amplifier, respectively.

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Within the scientific and industrial applications, the beam excellent with the DUV laser is usually a significant parameter. Significantly, the beam high-quality of your DUV laser drastically impacts the laser machining results. The beam high-quality of your DUV laser is set by that of the fundamental laser plus the crystal for your frequency conversion. Recently, a large-ability DUV laser (>ten W) at 258 nm was noted which has a beam good quality of M2 < 1.5, which was created by FHG of the Yb:YAG laser at 1030 nm utilizing the CLBO crystal [13]. This laser would produce a much better laser machining end result in comparison to the past DUV lasers with greater M2.

The pulse more info period of the next Stokes light was shortened to 5 ns as revealed in Figure 7a, one-shot image within the oscilloscope, that's a common phenomenon in Raman laser [44] though the pulse length of your pump laser was 10 ns.

Moreover, combining the reliable-point out laser with other nonlinear process including stimulated Raman scattering, NIR lasers could be achieved at new wavelengths with significant energy and high beam excellent, which was examined with the evidence-of-theory experiment. This Raman laser scheme gives a whole new route to the substantial-electricity DUV laser, In particular in the wavelength of 193 nm.

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The development of the 193-nm laser was shown by stages of SFG. As a way to scale the DUV laser power properly, a different strategy from the 193-nm DUV laser technology is introduced determined by the diamond Raman laser.