The smart Trick of CLBO Crystal That No One is Discussing
The smart Trick of CLBO Crystal That No One is Discussing
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Nevertheless, in order to system the crystal is incredibly Superior producing tactics are demanded. Because the dawn of this crystal, focusing on this challenge, we are actually the only corporation on earth that could be processed Within this crystal.
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We summarized The existing improvement standing of your higher-electricity DUV laser each with the wavelength of FHG with the 1-μm laser and at 193 nm. The latest progress of your solid-point out/fiber laser, along with the nonlinear optical crystals, prompts not merely the typical ability but also the beam high-quality (coherence) in the DUV lasers to an unparalleled 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。
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LBO is usually an excellent nonlinear crystal which is always placed on the SHG within the NIR into the environmentally friendly. The DUV laser is often understood by two levels of SFG from the LBO crystals considering the fact that there is not any period-matching angle for LBO to transform the inexperienced laser at 515 nm or 532 nm to your DUV specifically by SHG [sixteen]. Not long ago, the NSBBF crystal has also demonstrated its probable to acquire a high conversion performance from 532 nm to 266 nm. The wander-off angle and deff on the NSBBF are Practically much like These of CLBO [seventeen].
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In addition, combining the solid-state laser with other nonlinear system for instance stimulated Raman scattering, NIR lasers may be accomplished at new wavelengths with substantial energy and significant beam quality, which was tested through the evidence-of-principle experiment. This Raman laser scheme offers a brand new route to the significant-power DUV laser, In particular with the wavelength of 193 nm.
Tunable ultraviolet laser resource based on solid-point out dye laser technological know-how and CsLiB6O10 harmonic technology
The conversion effectiveness from fundamental NIR to DUV is from 5% to 36% in accordance with the documented brings about Table one. Raising the conversion efficiency will decrease the stress on the design and set up of the elemental laser amplifier plus the electric electricity use. An excellent beam high-quality of the fundamental laser may even add towards the rising with the conversion performance in addition to the right energy intensity on the NIR and inexperienced laser during the SHG and FHG process, respectively. The highest conversion efficiencies from NIR to green and green to DUV laser by usage of CLBO crystal are 70% and around fifty%, respectively [twelve], which corresponds on the conversion effectiveness of 35% from basic to DUV.
The development with the 193-nm laser was demonstrated by levels of SFG. So as to scale the DUV laser energy proficiently, a brand new strategy from the 193-nm DUV laser era is introduced based on the diamond Raman laser.