Nevertheless, so that you can method the crystal is very Sophisticated producing techniques are expected. Since the dawn of the crystal, focusing on this challenge, we are actually the only firm on the planet that could be processed Within this crystal.

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In accordance with the evidence-of-principle experiment, the conversion effectiveness of 23% implied the potential for reaching higher-electricity at the next Stokes wavelength with the Raman laser. Should the pump laser of 1078 nm could be obtained at the average ability of fifty W, the output electric power of its 2nd Stokes wavelength at 1512 nm can be more than ten W. The look in the Raman laser cavity ought to be optimized to be able to steer clear of the problems on 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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LBO can be an excellent nonlinear crystal which is always applied to the SHG with the NIR to the inexperienced. The DUV laser is generally realized by two stages of SFG while in the LBO crystals considering the fact that there's no stage-matching angle for LBO to convert the eco-friendly laser at 515 nm or 532 nm to your DUV instantly by SHG [sixteen]. Not long ago, the NSBBF crystal has also demonstrated its probable to acquire a large conversion efficiency from 532 nm to 266 nm. The walk-off angle and deff of your NSBBF are Pretty much just like People of CLBO [17].

On the other side, the facility scaling on the NIR laser is an additional aspect to enhance the normal electrical power of the 193-nm DUV laser. Due to the deficiency of the higher-ability amplification Resolution with the NIR laser (by way of example at 1553 nm), nonlinear frequency processes which include optical parameter oscillation (OPO) could possibly be placed on create a wavelength converter by shifting the wavelength from one μm to the specified wavelength in addition to acquiring relative bigger energy [21]. Not long ago, a diamond Raman laser confirmed its ability in attaining a substantial electric power as well as a superior conversion efficiency for the 1st Stokes of your 1-μm laser [22,23], which suggests the likelihood for being applied inside the 193-nm DUV laser technology thanks to its superior Raman get and huge frequency shift.

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Its UV absorption edge reaches one hundred eighty nm. The efficient nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about 2 times as massive as that of KDP. CLBO crystals may be developed through the stoichiometric melt with decrease viscosity.

The development of your 193-nm laser was demonstrated by phases of SFG. In order to scale the DUV laser electricity effectively, a whole new thought from the 193-nm DUV laser era is introduced based on the diamond Raman laser.