A Secret Weapon For CLBO Crystal
A Secret Weapon For CLBO Crystal
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All-sound-state ultraviolet lasers have been widely Utilized in the fields of mechanical flaw detection, lithography, micromachining and drugs for the advantages of little quantity, prolonged existence, substantial efficiency, great beam excellent, huge tuning and narrow spectral line, and so forth. Making use of substantial energy in the vicinity of-infrared coherent light resource as the elemental frequency resource based on nonlinear tuning engineering, generating ultraviolet coherent radiation by multistage frequency conversion is thought to be an essential strategy to create the ultraviolet coherent light source.
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We summarized The present improvement position on the substantial-electricity DUV laser each within the wavelength of FHG of your 1-μm laser and at 193 nm. The latest enhancement with the good-point out/fiber laser, as well as the nonlinear optical crystals, prompts not just the common electric power but also the beam quality (coherence) of the DUV lasers to an unparalleled amount.
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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Due to thermal lens outcome within the good-state lasers, In the event the heating administration is inadequate, It's not easy to obtain the solid-point out laser using a high electrical power and also a large beam high-quality concurrently. Just lately, with the development of the thin disk laser and one-crystal fiber (SCF) laser, a significant-electricity laser at the basic wavelength (one μm) were recognized with a good beam quality Despite having a TEM00 manner beam [4,24], which would be superior candidates for the elemental with the DUV laser era. A further applicant for the fundamental could be the substantial-energy fiber laser which might be achieved by coherent beam mix with M2 price lower than one.
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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the simplest non-linear crystal which generates ultraviolet harmonics of the Nd:YAG fundamental laser wavelength. So as to greatly enhance the harm threshold, reduced CLBO area roughness, by ultra-precision machining, is needed. As the CLBO crystal has uncomplicated hydroscopic response and micro scratches in machining, extremely-specific machining in the CLBO crystal is really a challenging technical dilemma.
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