What Does CLBO Crystal Mean?
What Does CLBO Crystal Mean?
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All-good-state ultraviolet lasers are greatly Utilized in the fields of mechanical flaw detection, lithography, micromachining and drugs for the advantages of tiny quantity, prolonged lifetime, significant performance, good beam quality, huge tuning and narrow spectral line, and many others. Using superior electricity in close proximity to-infrared coherent light supply as the elemental frequency source dependant on nonlinear tuning know-how, generating ultraviolet coherent radiation by multistage frequency conversion is considered an important solution to develop the ultraviolet coherent light source.
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According to the proof-of-theory experiment, the conversion effectiveness of 23% implied the opportunity of attaining significant-ability at the 2nd Stokes wavelength of the Raman laser. When the pump laser of 1078 nm could be acquired at the typical power of 50 W, the output energy of its 2nd Stokes wavelength at 1512 nm might be over 10 W. The design of the Raman laser cavity ought to be optimized to be able to stay away from the damage of your 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。
Alternatively, the beam quality of the better electrical power DUV laser would become worse resulting from much more critical thermal and nonlinear outcomes. As a result, the frequency conversion processes needs to be thoroughly meant to mitigate the aforementioned effects. Therefore, a large-electricity DUV laser with the FHG of 1 μm with an excellent beam high-quality might be attained and may be beneficial for obtaining the shorter wavelength DUV lasers like 193 nm by SFG.
LBO can be a great nonlinear crystal which is usually placed on the SHG from your NIR on the green. The DUV laser is often understood by two stages of SFG inside the LBO crystals considering the fact that there's no stage-matching angle for LBO to convert the green laser at 515 nm or 532 nm towards the DUV immediately by SHG [16]. Not too long ago, the NSBBF crystal has also demonstrated its possible to obtain a superior conversion performance from 532 nm to 266 nm. The stroll-off angle and deff in the NSBBF are Nearly similar to Those people of CLBO [seventeen].
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The pulse period of the second Stokes gentle was shortened to five ns as proven in Determine 7a, just one-shot picture with the oscilloscope, which can be a standard phenomenon in Raman laser [44] even though the heart beat duration with the pump laser was ten ns.
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