The smart Trick of CLBO Crystal That Nobody is Discussing
The smart Trick of CLBO Crystal That Nobody is Discussing
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However, as a way to approach the crystal may be very Superior manufacturing approaches are needed. Since the dawn of this crystal, engaged on this challenge, we are actually the sole business on the planet that could be processed In this particular crystal.
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In accordance with the evidence-of-principle experiment, the conversion efficiency of 23% implied the possibility of reaching large-electrical power at the next Stokes wavelength from the Raman laser. If the pump laser of 1078 nm can be received at the typical ability of fifty W, the output energy of its 2nd Stokes wavelength at 1512 nm can be a lot more than ten W. The look in the Raman laser cavity need to be optimized so as to avoid the problems in the M1 and diamond 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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The two the 1040 nm and 1078 nm laser come from just one dual-wavelength Yb-doped fiber laser. Just about every laser is amplified by levels of fiber amplifier and Yb-doped materials amplifier, respectively.
On another side, the facility scaling on the NIR laser is another part to raise the typical electric power with the 193-nm DUV laser. Mainly because of the not enough the higher-electric power amplification Resolution from the NIR laser (for example at 1553 nm), nonlinear frequency processes for example here optical parameter oscillation (OPO) might be applied to establish a wavelength converter by shifting the wavelength from 1 μm to the desired wavelength as well as obtaining relative better power [21]. Just lately, a diamond Raman laser confirmed its ability in attaining a substantial ability along with a superior conversion performance with the 1st Stokes with the one-μm laser [22,23], which means the chance for being utilized while in the 193-nm DUV laser technology as a consequence of its substantial Raman achieve and enormous frequency change.
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The pulse length of the 2nd Stokes light was shortened to five ns as proven in Determine 7a, one-shot photo in the oscilloscope, which happens to be a common phenomenon in Raman laser [forty four] though the pulse length from the pump laser was ten ns.
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The beam profile proven in Figure 7b demonstrated a superb beam high-quality as one of the merits of Raman laser, which would be advantageous to create a 193-nm DUV laser with a high quality beam.
Its UV absorption edge reaches one hundred eighty nm. The efficient nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about two times as big as that of KDP. CLBO crystals is usually developed with the stoichiometric soften with decrease viscosity.
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