Not known Factual Statements About CLBO Crystal
Not known Factual Statements About CLBO Crystal
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Even so, to be able to procedure the crystal is extremely advanced producing approaches are needed. Since the dawn of the crystal, engaged on this challenge, we are actually the one business on the globe that may be processed With this crystal.
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According to the proof-of-theory experiment, the conversion effectiveness of 23% implied the opportunity of obtaining superior-electric power at the 2nd Stokes wavelength from the Raman laser. If your pump laser of 1078 nm could be attained at the standard energy of 50 W, the output power of its 2nd Stokes wavelength at 1512 nm may be much more than ten W. The look in the Raman laser cavity needs to be optimized as a way to avoid the destruction of your M1 and diamond floor.
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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Because of the thermal lens influence while in the reliable-point out lasers, Should the heating administration is insufficient, It's not necessarily straightforward to acquire the solid-state laser using a significant energy and also a high beam high-quality at the same time. Recently, with the development of the thin disk laser and one-crystal fiber (SCF) laser, a superior-power laser at the basic wavelength (one μm) were understood with a good beam quality Despite a TEM00 mode beam [four,24], which would be excellent candidates for the fundamental on the DUV laser era. Yet another candidate for the basic may be the substantial-ability fiber laser which may be realized by coherent beam mix with M2 price lower than one.
On the opposite aspect, the ability scaling on the NIR laser is another element to boost the average power from the 193-nm DUV laser. As a result of not enough the higher-power amplification Answer with the NIR laser (for example at 1553 nm), nonlinear frequency procedures like optical parameter oscillation (OPO) can be placed on create a wavelength converter by shifting the wavelength from 1 μm to the specified wavelength in addition to obtaining relative better energy [21]. Not too long ago, a diamond Raman laser confirmed its skill in achieving a significant power and also a high conversion performance for the 1st Stokes on the one-μm laser [22,23], which implies the likelihood for being used from the 193-nm DUV laser generation on account of its superior Raman attain and huge frequency shift.
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Within the scientific and industrial purposes, the beam quality on the DUV laser is likewise an essential parameter. Notably, the beam good quality in the DUV laser radically affects the laser machining effects. The beam high quality on the DUV laser is decided by that of the basic laser and the crystal for that frequency conversion. Not too long ago, a large-electricity DUV laser (>10 W) at 258 nm was claimed by using a beam quality of M2 < one.five, which was created by FHG of the Yb:YAG laser at 1030 nm utilizing the CLBO crystal [thirteen]. This laser would cause a far better laser machining result as compared to the prior DUV lasers with more substantial M2.
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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the best non-linear crystal which generates ultraviolet harmonics with the Nd:YAG elementary laser wavelength. So as to enhance the problems threshold, small CLBO floor roughness, by ultra-precision machining, is needed. As the CLBO crystal has effortless hydroscopic reaction and micro scratches in machining, extremely-exact machining in the CLBO crystal is a difficult complex issue.
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