5 Simple Statements About CLBO Crystal Explained
5 Simple Statements About CLBO Crystal Explained
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Even so, as a way to procedure the crystal is very State-of-the-art producing procedures are essential. Since the dawn of this crystal, focusing on this challenge, we are actually the only real company on the earth that can be processed During this crystal.
As compared to BBO it options more substantial spectral and temperature acceptance, better angle tolerance, plus a lesser walk-off angle. from 3289 $ delivery
According to the proof-of-theory experiment, the conversion effectiveness of 23% implied the potential of reaching significant-energy at the next Stokes wavelength of the Raman laser. In case the pump laser of 1078 nm can be obtained at the average power of fifty W, the output ability of its 2nd Stokes wavelength at 1512 nm can be more than ten W. The design with the Raman laser cavity need to be optimized so that you can stay away from the injury from 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。
Conversely, the beam excellent of this bigger electricity DUV laser would turn out to be even worse as a result of extra significant thermal and nonlinear consequences. That's why, the frequency conversion processes needs to be thoroughly meant to mitigate the aforementioned effects. Therefore, a substantial-electric power DUV laser within the FHG of one μm with a very good beam quality could be acquired and can be valuable for acquiring the shorter wavelength DUV lasers like 193 nm by SFG.
LBO is additionally a great nonlinear crystal which is usually applied to the SHG with the NIR to the eco-friendly. The DUV laser is normally understood by two levels of SFG within the LBO crystals considering the fact that there's no period-matching angle for LBO to transform the environmentally friendly laser at 515 nm or 532 nm to your DUV straight by SHG [sixteen]. A short while ago, the NSBBF crystal has also revealed its opportunity to acquire a significant conversion effectiveness from 532 nm to 266 nm. The walk-off angle and deff of the NSBBF are almost comparable to All those of CLBO [17].
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While in the scientific and industrial purposes, the beam quality of the DUV laser can also be a crucial parameter. Notably, the beam good quality on the DUV laser substantially impacts the laser machining final results. The beam excellent of your DUV laser is determined by that of the elemental laser as well as the crystal for the frequency conversion. Not long ago, a superior-power DUV laser (>10 W) at 258 nm was reported by using a beam high quality of M2 < 1.five, which was created by FHG of a Yb:YAG laser at 1030 nm utilizing the CLBO crystal [thirteen]. This laser would result in an even better laser machining result as compared to the former DUV lasers with much here larger M2.
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Furthermore, combining the reliable-condition laser with other nonlinear course of action for example stimulated Raman scattering, NIR lasers may be accomplished at new wavelengths with higher electrical power and high beam top quality, which was tested through the proof-of-theory experiment. This Raman laser scheme gives a whole new path to the significant-electric power DUV laser, Primarily within the wavelength of 193 nm.
The beam profile demonstrated in Determine 7b shown a fantastic beam high-quality as among the merits of Raman laser, which would be helpful to make a 193-nm DUV laser with a top quality beam.
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The event on the 193-nm laser was demonstrated by phases of SFG. To be able to scale the DUV laser ability properly, a brand new strategy in the 193-nm DUV laser era is introduced depending on the diamond Raman laser.