The best Side of CLBO Crystal
The best Side of CLBO Crystal
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During this paper, the new lapping slurry and sharpening slurry are launched. And the deliquescence diploma of CLBO is fallen to most affordable. A completely new Functioning technological know-how can also be adopted. Immediately after tough polishing, the concentration of ultra-precision polishing slurry is greater properly. So does the ultra-precision sharpening speed, plus the wiping pace is quicker compared to deliquescence velocity. The CLBO crystal area roughness can reach 1nm and keep the floor quality properly. Accessibility via your institution
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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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A result of the thermal lens outcome in the solid-state lasers, When the heating management is inadequate, It's not necessarily easy to get the sound-condition laser by using a high electricity in addition to a significant beam high quality concurrently. Just lately, with the event of The skinny disk laser and single-crystal fiber (SCF) laser, a high-power laser at the fundamental wavelength (1 μm) were recognized with an excellent beam good quality even with a TEM00 manner beam [four,24], which might be great candidates for the basic on the DUV laser era. One more applicant for the fundamental will be the higher-power fiber laser which could be realized by coherent beam mixture with M2 benefit fewer than 1.
On the opposite side, the facility scaling on the NIR laser is another part to boost the ordinary electrical power of your 193-nm DUV laser. As a result of not enough the higher-electricity amplification Alternative of your NIR laser (for instance at 1553 nm), nonlinear frequency processes like optical parameter oscillation (OPO) may very well be placed on create a wavelength converter by shifting the wavelength from 1 μm to the specified wavelength and obtaining relative greater electricity [21]. A short while ago, a diamond Raman laser confirmed its means in achieving a high power in addition to a large conversion efficiency in the 1st Stokes of the one-μm laser [22,23], which suggests the possibility to become used while in the 193-nm DUV laser generation because of its significant Raman achieve and get more info large frequency shift.
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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. In order to greatly enhance the harm threshold, very low CLBO surface area roughness, by extremely-precision machining, is required. Because the CLBO crystal has easy hydroscopic response and micro scratches in machining, ultra-specific machining with the CLBO crystal is often a tricky specialized problem.
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The conversion performance from basic NIR to DUV is from five% to 36% according to the claimed leads to Desk one. Expanding the conversion effectiveness will lessen the burden on the look and set up of the fundamental laser amplifier and also the electric ability use. A great beam good quality of the elemental laser will even lead into the growing with the conversion performance in addition to the suitable electricity depth of your NIR and green laser within the SHG and FHG approach, respectively. The very best conversion efficiencies from NIR to inexperienced and inexperienced to DUV laser by usage of CLBO crystal are 70% and all around fifty%, respectively [12], which corresponds for the conversion efficiency of 35% from fundamental to DUV.
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