The 2-Minute Rule for CLBO Crystal
The 2-Minute Rule for CLBO Crystal
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Nonetheless, so as to course of action the crystal is very State-of-the-art production strategies are needed. Since the dawn of the crystal, working on this obstacle, we are actually the only corporation on the planet that could be processed Within this crystal.
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In accordance with the proof-of-principle experiment, the conversion effectiveness of 23% implied the opportunity of achieving large-electrical power at the next Stokes wavelength with the Raman laser. Should the pump laser of 1078 nm might be obtained at the typical electrical power of fifty W, the output electric power of its 2nd Stokes wavelength at 1512 nm can be greater than ten W. The look with the Raman laser cavity need to be optimized so that you can steer clear of the problems with the M1 and diamond surface 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。
Conversely, the beam quality of this higher electrical power DUV laser would turn out to be worse because of far more really serious thermal and nonlinear effects. For this reason, the frequency conversion procedures must be cautiously created to mitigate the aforementioned consequences. As a result, a higher-power DUV laser at the FHG of one μm with a great beam quality may very well be attained and may be valuable for acquiring the shorter wavelength DUV lasers for instance 193 nm by SFG.
Both equally the 1040 nm and 1078 nm laser originate from one particular dual-wavelength Yb-doped fiber laser. Each laser is amplified by stages of fiber amplifier and Yb-doped materials amplifier, respectively.
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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the most effective non-linear crystal which generates ultraviolet harmonics with the Nd:YAG basic laser wavelength. So that you can increase the problems threshold, low CLBO surface area roughness, by extremely-precision machining, is required. As the CLBO crystal has easy hydroscopic response and micro scratches in machining, ultra-precise machining of your CLBO crystal is a tough technological issue.
The beam profile revealed in Determine 7b shown a good beam good quality as among the deserves of Raman laser, which might be effective to create a 193-nm DUV laser with a top quality beam.
Its UV absorption edge reaches one hundred eighty nm. The efficient nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about two times as massive as that of KDP. CLBO crystals is usually grown from the stoichiometric soften with reduce viscosity.
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