All-stable-point out ultraviolet lasers have already been widely used in the fields of mechanical flaw detection, lithography, micromachining and drugs for the advantages of little quantity, lengthy life, high effectiveness, superior beam high-quality, vast tuning and slim spectral line, and so forth. Employing large electric power in close proximity to-infrared coherent mild source as the basic frequency supply based on nonlinear tuning know-how, building ultraviolet coherent radiation by multistage frequency conversion is viewed as a very important strategy to develop the ultraviolet coherent light source.
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We summarized The present improvement position with the substantial-power DUV laser both equally at the wavelength of FHG from the 1-μm laser and at 193 nm. The the latest enhancement of your sound-point out/fiber laser, in addition to the nonlinear optical crystals, prompts not just the average ability but additionally the beam top quality (coherence) on the DUV lasers to an unprecedented amount.
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 the 1040 nm and 1078 nm laser originate from one dual-wavelength Yb-doped fiber laser. Each and every laser is amplified by stages of fiber amplifier and Yb-doped click here components amplifier, respectively.
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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the best non-linear crystal which generates ultraviolet harmonics with the Nd:YAG elementary laser wavelength. So that you can greatly enhance the harm threshold, very low CLBO surface area roughness, by ultra-precision machining, is necessary. Since the CLBO crystal has uncomplicated hydroscopic response and micro scratches in machining, extremely-exact machining with the CLBO crystal is usually a challenging specialized trouble.
Tunable ultraviolet laser source determined by sound-state dye laser technological know-how 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 energy successfully, a completely new strategy on the 193-nm DUV laser era is offered according to the diamond Raman laser.