Indicators on CLBO Crystal You Should Know
Indicators on CLBO Crystal You Should Know
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With this paper, The brand new lapping slurry and polishing slurry are introduced. Plus the deliquescence diploma of CLBO is fallen to most affordable. A different working technological innovation is usually adopted. After rough polishing, the focus of extremely-precision sprucing slurry is amplified properly. So does the extremely-precision sharpening speed, as well as the wiping speed is faster compared to the deliquescence velocity. The CLBO crystal surface roughness can attain 1nm and maintain the area high-quality effectively. Access through your establishment
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The normal energy with the NIR laser still has the likely to generally be improved to tens of watts for example 70 W [26] Should the double-move configuration may very well be used for your Yb:YAG SCF amplifier stage. That's why, Should the conversion performance of 31% from NIR to DUV could be nonetheless taken care of at this increased electric power condition, the average output power from the DUV laser at 258 nm might be over 20 W, which might be described as a amazing electricity degree for that DUV laser and bring on the unanticipated DUV laser machining effects. Additionally, for high-ability DUV laser, the UV hurt from the nonlinear crystal, such as the windows for CLBO crystal and the mirrors, is an additional essential parameter for long term and secure operation.
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The two the 1040 nm and 1078 nm laser come from one twin-wavelength Yb-doped fiber laser. Just about every laser is amplified by phases of fiber amplifier and Yb-doped components amplifier, respectively.
On another aspect, the ability check here scaling on the NIR laser is yet another component to boost the ordinary ability with the 193-nm DUV laser. Because of the insufficient the significant-ability amplification Answer of your NIR laser (such as at 1553 nm), nonlinear frequency processes such as optical parameter oscillation (OPO) could be applied to develop a wavelength converter by shifting the wavelength from 1 μm to the desired wavelength as well as getting relative better power [21]. Lately, a diamond Raman laser showed its means in achieving a higher power in addition to a significant conversion effectiveness at the 1st Stokes on the one-μm laser [22,23], which implies the chance to become utilized within the 193-nm DUV laser generation because of its higher Raman obtain and large frequency shift.
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The heart beat period of the second Stokes light-weight was shortened to five ns as revealed in Determine 7a, a single-shot photo from your oscilloscope, which is a typical phenomenon in Raman laser [forty four] though the pulse period from the pump laser was 10 ns.
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The beam profile revealed in Figure 7b demonstrated a fantastic beam quality as one of several merits of Raman laser, which might be beneficial to produce a 193-nm DUV laser with a top quality beam.
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