CLBO Crystal Things To Know Before You Buy
CLBO Crystal Things To Know Before You Buy
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However, so that you can course of action the crystal is incredibly Superior producing tactics are needed. Considering that the dawn of this crystal, engaged on this challenge, we are actually the only real organization in the world which can be processed in this crystal.
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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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LBO can be an excellent nonlinear crystal which is always applied to the SHG within the NIR towards the eco-friendly. The DUV laser is frequently recognized by two stages of SFG while in the LBO crystals considering the fact that there is absolutely no period-matching angle for LBO to transform the inexperienced laser at 515 nm or 532 nm to your DUV instantly by SHG [sixteen]. A short while ago, the NSBBF crystal has also revealed its opportunity to acquire a significant conversion efficiency from 532 nm to 266 nm. The walk-off angle and deff of the NSBBF are almost just like These of CLBO [seventeen].
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In the scientific and industrial purposes, the beam quality of your DUV laser is likewise a significant parameter. Notably, the beam good quality in the DUV laser significantly impacts the laser machining outcomes. The beam quality with the DUV laser is determined by that of the elemental laser as well as the crystal for the frequency conversion. Lately, a superior-electricity DUV laser (>ten W) at 258 nm was noted which has a beam good quality of M2 < one.5, which was generated by FHG of the Yb:YAG laser at 1030 nm utilizing the CLBO crystal [13]. This laser would cause a better laser machining end result compared to the earlier DUV lasers with much larger M2.
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The conversion performance from basic NIR to DUV is from 5% to 36% based on the documented results in Desk 1. Raising the conversion efficiency will decrease the burden on the design and set up of the fundamental laser amplifier together with the electric electric power consumption. A superb beam quality of the basic laser can even add towards the rising of your conversion efficiency along with the suitable electricity depth with the NIR and environmentally friendly laser from the SHG and FHG process, respectively. The highest conversion efficiencies from NIR to eco-friendly and eco-friendly to DUV laser by use of CLBO crystal are 70% and about 50%, respectively [twelve], which corresponds into the conversion performance of 35% from elementary to DUV.
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