CLBO Crystal Can Be Fun For Anyone
CLBO Crystal Can Be Fun For Anyone
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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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The two the 1040 nm and 1078 nm laser originate from just one dual-wavelength Yb-doped fiber laser. Each laser is amplified by phases of fiber amplifier and Yb-doped materials amplifier, respectively.
On another side, the facility scaling with the NIR laser is an additional element to increase the normal energy of the 193-nm DUV laser. Due to the deficiency of the substantial-electricity amplification Remedy on the NIR laser (as an example at 1553 nm), nonlinear frequency procedures for instance optical parameter oscillation (OPO) could possibly be placed on develop a wavelength converter by shifting the wavelength from one μm to the desired wavelength together with obtaining relative better electrical power [21]. Not long ago, a diamond Raman laser confirmed its capability in obtaining a significant ability along with a substantial conversion effectiveness for the 1st Stokes with the one-μm laser [22,23], which suggests the likelihood being utilized from the 193-nm DUV laser era as a consequence of its superior Raman gain and large frequency change.
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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the simplest non-linear crystal which generates ultraviolet harmonics on the Nd:YAG elementary laser wavelength. To be able to increase the harm threshold, very low CLBO surface roughness, by extremely-precision machining, is required. Because the CLBO crystal has quick hydroscopic response and micro scratches in machining, ultra-exact machining more info in the CLBO crystal is really a complicated complex trouble.
The beam profile revealed in Determine 7b shown a good beam top quality as among the list of deserves of Raman laser, which might be beneficial to create a 193-nm DUV laser with a high quality beam.
Its UV absorption edge reaches 180 nm. The efficient nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about 2 times as massive as that of KDP. CLBO crystals can be developed in the stoichiometric soften with reduce viscosity.
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