The best Side of CLBO Crystal
The best Side of CLBO Crystal
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We summarized the current progress status of your substantial-electric power DUV laser the two at the wavelength of FHG with the 1-μm laser and at 193 nm. The modern improvement in the solid-condition/fiber laser, in addition to the nonlinear optical crystals, prompts don't just the standard power and also the beam high quality (coherence) in the DUV lasers to an unparalleled stage.
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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Mainly because of the thermal lens outcome from the reliable-condition lasers, When the heating administration is insufficient, It isn't quick to obtain the stable-condition laser which has a substantial energy and also a higher beam excellent simultaneously. Just lately, with the event of The skinny disk laser and single-crystal fiber (SCF) laser, a large-electric power laser at the fundamental wavelength (1 μm) were understood with a great beam good quality Despite having a TEM00 mode beam [4,24], which would be excellent candidates for the basic with the DUV laser technology. An additional candidate for the elemental could be the higher-ability fiber laser which might be attained by coherent beam mix with M2 value under one.
On the other aspect, the facility scaling on the NIR laser is yet another facet to improve the normal energy of your 193-nm DUV laser. As a result of lack of the substantial-electricity amplification Alternative from the NIR laser (for example at 1553 nm), nonlinear frequency procedures which include optical parameter oscillation (OPO) can be applied to produce a wavelength converter by shifting the wavelength from one μm to the desired wavelength and obtaining relative better electric power [21]. Just lately, a diamond Raman laser confirmed its potential in accomplishing a significant ability in addition to a superior conversion performance within the 1st read more Stokes with the 1-μm laser [22,23], which implies the chance being utilized from the 193-nm DUV laser era on account of its large Raman acquire and enormous frequency shift.
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In the scientific and industrial applications, the beam quality of the DUV laser can be an essential parameter. Particularly, the beam excellent from the DUV laser drastically has an effect on the laser machining final results. The beam high-quality in the DUV laser is decided by that of the fundamental laser along with the crystal with the frequency conversion. Not too long ago, a superior-electricity DUV laser (>ten W) at 258 nm was noted by using a beam high-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 result in an improved laser machining final result in comparison with the preceding DUV lasers with larger sized M2.
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Tunable ultraviolet laser supply depending on sound-state dye laser technologies and CsLiB6O10 harmonic technology
Its UV absorption edge reaches 180 nm. The productive nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about two times as large as that of KDP. CLBO crystals is usually grown within the stoichiometric melt with lower viscosity.
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