CLBO Crystal Secrets
CLBO Crystal Secrets
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All-stable-condition ultraviolet lasers have been broadly used in the fields of mechanical flaw detection, lithography, micromachining and drugs for the benefits of small volume, extended everyday living, higher performance, excellent beam quality, huge tuning and slim spectral line, and so forth. Using substantial electrical power close to-infrared coherent light-weight source as the basic frequency resource determined by nonlinear tuning technology, building ultraviolet coherent radiation by multistage frequency conversion is thought to be a crucial strategy to develop the ultraviolet coherent mild resource.
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We summarized The existing growth status on the large-ability DUV laser both of those for the wavelength of FHG on the 1-μm laser and at 193 nm. The the latest enhancement of the solid-state/fiber laser, in addition to the nonlinear optical crystals, prompts not simply the average electric power but additionally the beam top quality (coherence) of your DUV lasers to an unprecedented 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。
On the other hand, the beam good quality of the increased electricity DUV laser would come to be worse as a result of far more really serious thermal and nonlinear consequences. That's why, the frequency conversion procedures needs to be diligently made to mitigate the aforementioned consequences. Therefore, a superior-electric power DUV laser with the FHG of 1 μm with a superb beam high quality can be received and can be advantageous for obtaining the shorter wavelength DUV lasers for example 193 nm by SFG.
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The heartbeat period of the next Stokes light was shortened to five ns as proven in Determine 7a, just one-shot photograph with the oscilloscope, that is a typical phenomenon in Raman laser [forty four] even though the pulse duration of your pump laser was 10 ns.
In addition, combining the solid-condition laser with other nonlinear system for example stimulated Raman scattering, NIR lasers could be attained at new wavelengths click here with superior energy and substantial beam quality, which was tested with the evidence-of-basic principle experiment. This Raman laser plan delivers a new route to the higher-power DUV laser, Specifically on the wavelength of 193 nm.
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