A Secret Weapon For CLBO Crystal
A Secret Weapon For CLBO Crystal
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Within this paper, the new lapping slurry and sharpening slurry are released. And also the deliquescence diploma of CLBO is fallen to least expensive. A fresh Performing know-how is usually adopted. Following rough sprucing, the focus of extremely-precision sprucing slurry is elevated effectively. So does the extremely-precision sharpening pace, plus the wiping pace is faster compared to deliquescence velocity. The CLBO crystal surface roughness can accomplish 1nm and preserve the surface high quality well. Accessibility through your establishment
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We summarized The present development standing of your superior-electricity DUV laser both for the wavelength of FHG of the one-μm laser and at 193 nm. The recent development of your reliable-point out/fiber laser, as well as the nonlinear optical crystals, prompts not simply the common power and also the beam quality (coherence) on the DUV lasers to an unprecedented degree.
As an example, the current concave OC could get replaced by a aircraft mirror which could mitigate the ability density within the surface of M1 as well as diamond. In addition, using superior problems threshold coatings for M1 and diamond would also improve the output power with none damages. Then, the NIR laser for the 2nd Stokes wavelength may be large enough, together with its very good beam high-quality, to deliver the final DUV laser at 193 nm using a high average energy.
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The two the 1040 nm and 1078 nm laser come from a person dual-wavelength Yb-doped fiber laser. Every laser is amplified by levels of fiber amplifier and Yb-doped components amplifier, respectively.
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The pulse period of the next Stokes mild was shortened to five ns as proven in Determine 7a, a single-shot picture within the oscilloscope, that's a common phenomenon in Raman laser [44] though the heartbeat period from the pump laser was ten ns.
Cesium Lithium Borate (CsLiB6O10 or CLBO) is the best non-linear crystal which generates ultraviolet harmonics on the Nd:YAG fundamental laser wavelength. To be able to improve the harm threshold, minimal CLBO surface area roughness, by extremely-precision machining, is required. Because the CLBO crystal has easy hydroscopic response and micro scratches in machining, ultra-specific machining on the CLBO crystal is really a difficult complex issue.
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The conversion performance from fundamental NIR to DUV is from 5% to 36% in accordance with the noted ends in Desk 1. Rising the conversion performance will reduce the burden on the design and set up of the elemental laser amplifier as well as the electrical electric power use. A good beam top quality of the basic laser will also contribute towards the escalating on the conversion effectiveness along with the appropriate electrical power depth on the NIR and inexperienced laser inside the SHG and FHG course of action, respectively. The best conversion efficiencies from NIR to environmentally friendly and environmentally friendly to DUV laser by utilization of CLBO crystal are 70% and all around 50%, respectively [twelve], which corresponds to your conversion effectiveness of 35% from fundamental to DUV.
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