Nevertheless, in order to system the crystal may be very Superior producing procedures are expected. Because the dawn of the crystal, engaged on this problem, we are now the only real firm on the planet which might be processed With 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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Due to the thermal lens influence inside the solid-condition lasers, Should the heating management is insufficient, It is far from uncomplicated to obtain the sound-condition laser that has a high electrical power and a large beam good quality concurrently. Lately, with the development of the thin disk laser and solitary-crystal fiber (SCF) laser, a significant-power laser at the elemental wavelength (one μm) were realized with a fantastic beam quality In spite of a TEM00 mode beam [four,24], which might be very good candidates for the fundamental with the DUV laser era. Yet another candidate for the elemental may be the substantial-electrical power fiber laser which might be obtained by coherent beam blend with M2 value fewer than 1.
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The pulse length of the 2nd Stokes light was shortened to 5 ns as demonstrated in Determine 7a, one-shot picture within the oscilloscope, which can be a standard phenomenon in Raman laser [forty four] although the heartbeat period of the pump laser was 10 ns.
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The conversion performance from basic NIR to DUV is from five% to 36% according to the reported ends in Table 1. Increasing the conversion effectiveness will lessen the burden on the look and set up of the fundamental laser amplifier and also the electric electric power consumption. A fantastic beam quality of the elemental laser will even lead to the escalating of the conversion efficiency together with the right energy intensity in the NIR and environmentally friendly laser from the SHG and FHG course of action, respectively. The best conversion efficiencies from NIR to environmentally friendly and environmentally friendly to DUV laser by usage of CLBO crystal are 70% and all-around fifty%, respectively [twelve], which corresponds to your conversion effectiveness of 35% from elementary to DUV.
The event of the 193-nm laser was shown by levels of SFG. In an effort to scale the DUV laser power properly, a new thought in the 193-nm DUV laser era is introduced according to the diamond Raman laser.