A Secret Weapon For CLBO Crystal
A Secret Weapon For CLBO Crystal
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Having said that, in an effort to system the crystal is quite Highly developed producing methods are demanded. Considering that the dawn of the crystal, working on this problem, we are actually the only firm in the world that may be processed During this crystal.
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Based on the proof-of-principle experiment, the conversion effectiveness of 23% implied the possibility of reaching significant-power at the second Stokes wavelength of the Raman laser. If the pump laser of 1078 nm may be received at the common electricity of 50 W, the output energy of its 2nd Stokes wavelength at 1512 nm might be a lot more than 10 W. The design with the Raman laser cavity ought to be optimized to be able to avoid the damage of 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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Both the 1040 nm and 1078 nm laser originate from a person twin-wavelength Yb-doped fiber laser. Every single laser is amplified by phases of fiber amplifier and Yb-doped components amplifier, respectively.
On the opposite facet, the ability scaling in the NIR laser is yet another factor to enhance the normal electricity in the 193-nm DUV laser. Due to the insufficient the higher-power amplification Option in the NIR laser (as an example at 1553 nm), nonlinear frequency procedures for example optical parameter oscillation (OPO) might be applied to build a wavelength converter by shifting the wavelength from one μm to the desired wavelength in addition to acquiring relative better energy [21]. Not long ago, a diamond Raman laser confirmed its ability in attaining a higher electricity and also a high conversion efficiency on the 1st Stokes of your one-μm laser [22,23], which means the likelihood to get utilized inside the 193-nm DUV laser generation due to its higher Raman gain and enormous frequency change.
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The heart beat length of the 2nd Stokes mild was shortened to five ns as proven in Determine 7a, just one-shot photograph from your oscilloscope, which happens to be a typical phenomenon in Raman laser [44] even though the heartbeat duration of the pump laser was ten ns.
Cesium Lithium Borate (CsLiB6O10 or CLBO) is the best non-linear crystal which generates ultraviolet harmonics in the Nd:YAG fundamental laser wavelength. So that you can enrich the hurt threshold, small CLBO area roughness, by ultra-precision machining, is necessary. Since the CLBO crystal has effortless hydroscopic reaction and micro scratches in machining, extremely-exact machining on the CLBO crystal is actually a hard technological challenge.
The beam profile proven in Figure 7b demonstrated a great beam top quality as one of several merits of Raman laser, which would be beneficial to generate a 193-nm DUV laser with a top quality beam.
Its UV absorption edge reaches 180 nm. The powerful nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about 2 times as big as that of KDP. CLBO crystals could be developed through the stoichiometric melt with lower viscosity.
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