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In accordance with the evidence-of-basic principle experiment, the conversion effectiveness of 23% implied the potential of achieving substantial-electrical power at the 2nd Stokes wavelength of the Raman laser. If the pump laser of 1078 nm might be obtained at the normal power of 50 W, the output electrical power of its 2nd Stokes wavelength at 1512 nm could possibly be much more than ten W. The design with the Raman laser cavity need to be optimized in an effort to avoid the destruction of your M1 and diamond floor.
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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Both the 1040 nm and 1078 nm laser come from a person dual-wavelength Yb-doped fiber laser. Every laser is amplified by levels of fiber amplifier and Yb-doped resources amplifier, respectively.
On one other aspect, the power scaling of your NIR laser is an additional facet to increase the normal electrical power of the 193-nm DUV laser. Due to insufficient the superior-electricity amplification Answer with the NIR laser (as an example at 1553 nm), nonlinear read more frequency procedures including optical parameter oscillation (OPO) can be applied to establish a wavelength converter by shifting the wavelength from 1 μm to the specified wavelength as well as getting relative greater electric power [21]. Lately, a diamond Raman laser confirmed its potential in acquiring a large electric power and a large conversion effectiveness on the 1st Stokes with the one-μm laser [22,23], which implies the likelihood to get used in the 193-nm DUV laser generation on account of its superior Raman gain and large frequency shift.
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While in the scientific and industrial apps, the beam high-quality of the DUV laser can also be a crucial parameter. Notably, the beam top quality on the DUV laser considerably influences the laser machining success. The beam high-quality of your DUV laser is decided by that of the elemental laser plus the crystal for that frequency conversion. Not long ago, a significant-electric power DUV laser (>10 W) at 258 nm was noted having a beam high quality of M2 < one.five, which was created by FHG of a Yb:YAG laser at 1030 nm using the CLBO crystal [thirteen]. This laser would bring on an improved laser machining end result in comparison with the earlier DUV lasers with bigger M2.
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Tunable ultraviolet laser source dependant on stable-state dye laser technological innovation and CsLiB6O10 harmonic technology
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The development in the 193-nm laser was shown by stages of SFG. In order to scale the DUV laser electrical power correctly, a new idea of your 193-nm DUV laser generation is presented determined by the diamond Raman laser.