The smart Trick of CLBO Crystal That Nobody is Discussing
The smart Trick of CLBO Crystal That Nobody is Discussing
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Within this paper, the new lapping slurry and sprucing slurry are released. And the deliquescence diploma of CLBO is fallen to most affordable. A brand new Functioning technological innovation can be adopted. Just after rough polishing, the focus of extremely-precision sharpening slurry is increased thoroughly. So does the ultra-precision sharpening velocity, plus the wiping speed is faster than the deliquescence pace. The CLBO crystal surface roughness can obtain 1nm and continue to keep the surface high-quality effectively. Obtain by way of your institution
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We summarized The existing development position in the high-electrical power DUV laser both for the wavelength of FHG with the 1-μm laser and at 193 nm. The latest enhancement of the strong-point out/fiber laser, in addition to the nonlinear optical crystals, prompts not only the standard power and also the beam top quality (coherence) of the DUV lasers to an unparalleled 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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LBO can be a fantastic nonlinear crystal which is often placed on the SHG through the NIR into the green. The DUV laser is usually recognized by two stages of SFG from the LBO crystals due to the fact there is not any stage-matching angle for LBO to transform the inexperienced laser at 515 nm or 532 nm into the DUV straight by SHG [16]. A short while ago, the NSBBF crystal has read more also demonstrated its possible to get a large conversion performance from 532 nm to 266 nm. The walk-off angle and deff from the NSBBF are Just about just like Those people of CLBO [seventeen].
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Additionally, combining the good-state laser with other nonlinear system including stimulated Raman scattering, NIR lasers may be obtained at new wavelengths with superior power and higher beam top quality, which was tested because of the evidence-of-theory experiment. This Raman laser scheme offers a new path to the substantial-electricity DUV laser, Specially with the wavelength of 193 nm.
The beam profile proven in Figure 7b demonstrated a great beam excellent as one of many merits of Raman laser, which would be helpful to create a 193-nm DUV laser with a high quality beam.
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The event from the 193-nm laser was shown by levels of SFG. As a way to scale the DUV laser ability efficiently, a different notion of your 193-nm DUV laser generation is presented determined by the diamond Raman laser.