NOT KNOWN FACTUAL STATEMENTS ABOUT CLBO CRYSTAL

Not known Factual Statements About CLBO Crystal

Not known Factual Statements About CLBO Crystal

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All-stable-state ultraviolet lasers happen to be widely Employed in the fields of mechanical flaw detection, lithography, micromachining and medication for some great benefits of tiny volume, prolonged existence, substantial effectiveness, fantastic beam excellent, extensive tuning and slender spectral line, and so forth. Making use of high electrical power in the vicinity of-infrared coherent light source as the basic frequency supply dependant on nonlinear tuning technological innovation, making ultraviolet coherent radiation by multistage frequency conversion is thought to be a very important strategy to acquire the ultraviolet coherent gentle supply.

In comparison to BBO it characteristics larger spectral and temperature acceptance, far better angle tolerance, plus a lesser wander-off angle. from 3289 $ supply

We summarized The existing growth position of the large-energy DUV laser the two on the wavelength of FHG on the one-μm laser and at 193 nm. The modern growth from the reliable-point out/fiber laser, as well as the nonlinear optical crystals, prompts don't just the common energy and also the beam good quality (coherence) in the DUV lasers to an unprecedented degree.

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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LBO is likewise an excellent nonlinear crystal which is always applied to the SHG with the NIR on the eco-friendly. The DUV laser is frequently recognized by two levels of SFG within the LBO crystals due to the fact there is no section-matching angle for LBO to convert the eco-friendly laser at 515 nm or 532 nm to the DUV specifically by SHG [16]. Just lately, the NSBBF crystal has also revealed its potential to acquire a superior conversion performance from 532 nm to 266 nm. The stroll-off angle and deff on the NSBBF are Virtually much like those of CLBO [seventeen].

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In the scientific and industrial purposes, the beam high-quality from the DUV laser can also be an important parameter. Particularly, the beam high-quality with the DUV laser substantially affects the laser machining success. The beam excellent in the DUV laser is determined by that of the basic laser and also the crystal for that frequency conversion. Not too long ago, a superior-electricity DUV laser (>ten W) at 258 nm was noted having a beam high quality of M2 < one.five, which was created by FHG of a Yb:YAG laser at 1030 nm using the CLBO crystal [13]. This laser would bring on a greater laser machining end result compared to the earlier DUV lasers with larger sized M2.

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The conversion effectiveness from fundamental NIR to DUV is from 5% to 36% according to the described results in Desk one. Rising the conversion performance will decrease the stress on the design and setup of the elemental laser amplifier in addition to the electric powered energy intake. A very good beam good quality of the elemental laser will website also contribute on the expanding of the conversion efficiency and also the suitable electric power depth with the NIR and inexperienced laser from the SHG and FHG course of action, respectively. The best conversion efficiencies from NIR to environmentally friendly and environmentally friendly to DUV laser by utilization of CLBO crystal are 70% and all around 50%, respectively [12], which corresponds towards the conversion efficiency of 35% from essential to DUV.

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