5 Essential Elements For CLBO Crystal
5 Essential Elements For CLBO Crystal
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All-solid-state ultraviolet lasers are greatly used in the fields of mechanical flaw detection, lithography, micromachining and medicine for the advantages of tiny volume, long lifestyle, high efficiency, great beam quality, large tuning and slim spectral line, and so on. Employing significant electrical power around-infrared coherent gentle source as the fundamental frequency resource based upon nonlinear tuning technological know-how, making ultraviolet coherent radiation by multistage frequency conversion is considered an essential technique to acquire the ultraviolet coherent light-weight source.
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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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Each the 1040 nm and 1078 nm laser originate from just one twin-wavelength Yb-doped fiber laser. Each and every laser is amplified by levels of fiber amplifier and Yb-doped elements amplifier, respectively.
On another side, the power scaling of the NIR laser is yet another component to enhance the normal electrical power from the 193-nm DUV laser. Due to the deficiency of the higher-electricity amplification Remedy of the NIR laser (for instance at 1553 nm), nonlinear frequency procedures such as optical parameter oscillation (OPO) may very well be applied to make a wavelength converter by shifting the wavelength from one μm to the desired wavelength along with getting relative higher energy [21]. Just lately, a diamond Raman laser confirmed its capability in achieving a substantial electrical power and a large conversion effectiveness within the 1st Stokes of the 1-μm laser [22,23], which implies the likelihood for being applied within the 193-nm DUV laser generation as a result of its significant Raman get and huge frequency shift.
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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the most effective non-linear crystal which generates ultraviolet harmonics in the Nd:YAG basic laser wavelength. So that you can greatly enhance the problems threshold, very low CLBO surface area roughness, by ultra-precision machining, is necessary. Since the CLBO crystal has straightforward hydroscopic response and micro scratches in machining, extremely-precise machining of your here CLBO crystal is often a hard technical challenge.
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