New Step by Step Map For CLBO Crystal
New Step by Step Map For CLBO Crystal
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All-strong-state ultraviolet lasers have already been broadly Utilized in the fields of mechanical flaw detection, lithography, micromachining and drugs for some great benefits of compact quantity, extensive daily life, superior performance, superior beam quality, vast tuning and slender spectral line, etcetera. Using high electrical power around-infrared coherent light-weight supply as the basic frequency source based upon nonlinear tuning technological know-how, building ultraviolet coherent radiation by multistage frequency conversion is viewed as an important approach to establish the ultraviolet coherent light resource.
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Based on the proof-of-principle experiment, the conversion performance of 23% implied the potential of achieving substantial-electricity at the second Stokes wavelength in the Raman laser. When the pump laser of 1078 nm may be received at the standard electricity of 50 W, the output electric power of its 2nd Stokes wavelength at 1512 nm may very well be in excess of ten W. The design of your Raman laser cavity needs to be optimized as a way to stay away from the hurt from the M1 and diamond surface area.
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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Both of those the 1040 nm and 1078 nm laser originate from a person twin-wavelength Yb-doped fiber laser. Each laser is amplified by levels of fiber amplifier and Yb-doped resources amplifier, respectively.
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From the scientific and industrial applications, the beam top quality of the DUV laser is usually a crucial parameter. Especially, the beam quality of the DUV laser considerably impacts the laser machining success. The beam quality of the DUV laser is determined by that of the elemental laser and the crystal with the frequency conversion. Recently, a superior-energy DUV laser (>10 W) at 258 nm was documented with a beam quality of read more M2 < one.five, which was produced by FHG of a Yb:YAG laser at 1030 nm utilizing the CLBO crystal [13]. This laser would bring about a greater laser machining result in comparison with the previous DUV lasers with larger sized M2.
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What's more, combining the strong-condition laser with other nonlinear process including stimulated Raman scattering, NIR lasers may very well be achieved at new wavelengths with large electric power and superior beam good quality, which was tested because of the proof-of-basic principle experiment. This Raman laser plan supplies a fresh route to the superior-electrical power DUV laser, Specifically for the wavelength of 193 nm.
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Its UV absorption edge reaches one hundred eighty nm. The helpful nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about twice as substantial as that of KDP. CLBO crystals is usually developed in the stoichiometric soften with decreased viscosity.
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