The 2-Minute Rule for CLBO Crystal

The 2-Minute Rule for CLBO Crystal

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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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Equally the 1040 nm and 1078 nm laser originate from a single dual-wavelength Yb-doped fiber laser. Each individual laser is amplified by phases of fiber amplifier and Yb-doped components amplifier, respectively.

On another aspect, the facility scaling from the NIR laser is yet another element to enhance the common power in the 193-nm DUV laser. Due to the insufficient the superior-energy amplification Option from the NIR laser (one example is at 1553 nm), nonlinear frequency procedures such as optical parameter oscillation (OPO) could possibly be applied to make a wavelength converter by shifting the wavelength from one μm to the specified wavelength together with getting relative bigger power [21]. Lately, a diamond Raman laser confirmed its means in attaining a substantial electricity plus a substantial conversion efficiency at the 1st Stokes of your one-μm laser [22,23], which implies the chance being applied in the 193-nm DUV laser era as a result of its higher Raman gain and enormous frequency change.

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In the scientific and industrial applications, the beam quality of your DUV laser is usually a very important parameter. Significantly, the beam excellent on the DUV laser drastically influences the laser machining benefits. The beam top quality of your DUV laser is set by that of the elemental laser along with the crystal for your frequency conversion. A short while ago, a large-ability DUV laser (>10 W) at 258 nm was described with a beam excellent of M2 < 1.5, which was produced by FHG of the Yb:YAG laser at 1030 nm utilizing the CLBO crystal [thirteen]. This laser would result in an even better laser machining result when compared with the former DUV lasers with bigger M2.

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What's more, combining the sound-state laser with other nonlinear approach which include stimulated Raman scattering, NIR lasers might be achieved at new wavelengths with large electric power and large beam good quality, which was examined via the evidence-of-basic principle experiment. This Raman laser plan delivers a completely new path to the superior-ability DUV laser, especially at the wavelength of 193 nm.

Tunable ultraviolet laser supply based upon reliable-point out dye laser technologies and CsLiB6O10 harmonic generation

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The event of the 193-nm laser was demonstrated by phases of SFG. In order to scale the DUV laser check here electricity correctly, a fresh strategy of the 193-nm DUV laser generation is offered based upon the diamond Raman laser.