5 Easy Facts About CLBO Crystal Described
5 Easy Facts About CLBO Crystal Described
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Even so, so that you can approach the crystal is incredibly advanced manufacturing tactics are required. Because the dawn of the crystal, engaged on this problem, we are actually the one enterprise on the earth that can be processed Within this crystal.
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We summarized The existing advancement standing of the significant-electrical power DUV laser equally within the wavelength of FHG of the 1-μm laser and at 193 nm. The latest improvement on the solid-state/fiber laser, plus the nonlinear optical crystals, prompts don't just the typical energy but in addition the beam top quality (coherence) on the DUV lasers to an unparalleled degree.
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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On the opposite side, the facility scaling on the NIR laser is an additional component to enhance the common electricity of your 193-nm DUV laser. Due to the deficiency of the read more higher-power amplification Option in the NIR laser (for example at 1553 nm), nonlinear frequency processes which include optical parameter oscillation (OPO) may very well be applied to make a wavelength converter by shifting the wavelength from one μm to the desired wavelength together with getting relative increased power [21]. Just lately, a diamond Raman laser confirmed its capacity in accomplishing a higher electric power and a large conversion effectiveness within the 1st Stokes from the 1-μm laser [22,23], which implies the likelihood to get used in the 193-nm DUV laser generation on account of its high Raman acquire and large frequency change.
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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the best non-linear crystal which generates ultraviolet harmonics on the Nd:YAG elementary laser wavelength. As a way to improve the injury threshold, lower CLBO area roughness, by extremely-precision machining, is needed. Since the CLBO crystal has effortless hydroscopic response and micro scratches in machining, ultra-exact machining on the CLBO crystal is a difficult complex difficulty.
The beam profile demonstrated in Figure 7b demonstrated an excellent beam top quality as on the list of deserves of Raman laser, which might be valuable to deliver a 193-nm DUV laser with a top quality beam.
Its UV absorption edge reaches 180 nm. The efficient nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about twice as big as that of KDP. CLBO crystals can be developed from your stoichiometric melt with decreased viscosity.
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