The Definitive Guide to CLBO Crystal
The Definitive Guide to CLBO Crystal
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According to the evidence-of-basic principle experiment, the conversion effectiveness of 23% implied the opportunity of attaining substantial-electric power at the next Stokes wavelength of the Raman laser. If the pump laser of 1078 nm may be acquired at the common electricity of 50 W, the output ability of its 2nd Stokes wavelength at 1512 nm could possibly be more than ten W. The design in the Raman laser cavity really should be optimized so as to avoid the hurt with the M1 and diamond area.
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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Each the 1040 nm and 1078 nm laser come from 1 dual-wavelength Yb-doped fiber laser. Each individual laser is amplified by levels of fiber amplifier and Yb-doped materials amplifier, respectively.
On one other facet, the facility scaling of the NIR laser is yet another facet to raise the regular electric power with the 193-nm DUV laser. Mainly because of the not enough the large-electrical power amplification Resolution from the NIR laser (for instance at 1553 nm), nonlinear frequency procedures for instance optical parameter oscillation (OPO) may be placed on build a wavelength converter by shifting the wavelength from one μm to the desired wavelength as well as acquiring relative greater ability [21]. Just lately, a diamond Raman laser showed its potential in reaching a substantial power along with a high conversion performance for the 1st Stokes in the 1-μm laser [22,23], which means the chance to be applied from the 193-nm DUV laser technology because of its substantial Raman attain and enormous frequency shift.
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The beam profile proven in Determine 7b demonstrated a good beam excellent as among the list of merits of Raman laser, which would be useful to create a 193-nm DUV laser with a top quality beam.
The conversion effectiveness from elementary NIR to DUV is from five% to 36% based on the documented results in Desk one. Increasing the conversion efficiency will reduce the burden on the design and setup of the fundamental laser amplifier along with the electric electricity intake. A superb beam high-quality of the elemental laser will also add on the rising on the conversion efficiency and also the appropriate energy depth with the NIR and eco-friendly laser within the SHG and FHG system, respectively. The very best conversion efficiencies from NIR to green and environmentally friendly to DUV laser by utilization of CLBO crystal are 70% and around 50%, respectively [twelve], which corresponds to your conversion efficiency of 35% from elementary to DUV.
The event of the 193-nm laser was demonstrated by stages of SFG. To be able to scale the DUV laser electrical power properly, a different strategy of your 193-nm DUV laser generation is presented determined by the diamond Raman laser.