The best Side of CLBO Crystal
The best Side of CLBO Crystal
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Nevertheless, as a way to procedure the crystal is rather Superior producing methods are necessary. Considering that the dawn of this crystal, working on this problem, we at the moment are the only company on the earth that may be processed With this crystal.
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Based on the proof-of-basic principle experiment, the conversion efficiency of 23% implied the potential of accomplishing substantial-electrical power at the 2nd Stokes wavelength from the Raman laser. In the event the pump laser of 1078 nm could possibly be acquired at the normal ability of fifty W, the output energy of its 2nd Stokes wavelength at 1512 nm can be greater than 10 W. The design from the Raman laser cavity ought to be optimized to be able to steer clear of the problems in the M1 and diamond surface.
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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A result of the thermal lens result in the sound-point out lasers, When the heating management is insufficient, It's not necessarily effortless to acquire the stable-state laser by using a large ability and a significant beam high-quality simultaneously. A short while ago, with the event of the thin disk laser and single-crystal fiber (SCF) laser, a high-electrical power laser at the basic wavelength (one μm) were recognized with a fantastic beam high quality even with a TEM00 method beam [4,24], which might be fantastic candidates for the basic in the DUV laser generation. Another prospect for the fundamental will be the high-electric power fiber laser which may very well be reached by coherent beam blend with M2 benefit under 1.
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The pulse duration of the next Stokes light was shortened to five ns as proven in Figure 7a, a single-shot image with the oscilloscope, that is a typical phenomenon in Raman laser [44] when the pulse length in the pump laser was 10 ns.
Cesium Lithium Borate (CsLiB6O10 or CLBO) is the simplest non-linear crystal which generates ultraviolet harmonics with the Nd:YAG fundamental laser wavelength. To be able to enhance the damage threshold, small CLBO floor roughness, by ultra-precision machining, is necessary. Because the CLBO crystal has quick hydroscopic reaction and micro scratches in machining, extremely-specific machining on the CLBO crystal is a read more tough complex issue.
The beam profile proven in Figure 7b demonstrated a superb beam high-quality as one of many merits of Raman laser, which would be advantageous to deliver a 193-nm DUV laser with a top quality beam.
The conversion performance from fundamental NIR to DUV is from five% to 36% based on the reported ends in Desk 1. Expanding the conversion efficiency will decrease the stress on the design and setup of the elemental laser amplifier plus the electric powered electrical power use. A great beam good quality of the fundamental laser may even add towards the rising of your conversion effectiveness and the appropriate electrical power intensity of your NIR and green laser inside the SHG and FHG approach, respectively. The very best conversion efficiencies from NIR to inexperienced and inexperienced to DUV laser by utilization of CLBO crystal are 70% and all around 50%, respectively [12], which corresponds towards the conversion efficiency of 35% from essential to DUV.
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