A Simple Key For CLBO Crystal Unveiled
A Simple Key For CLBO Crystal Unveiled
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According to the proof-of-principle experiment, the conversion effectiveness of 23% implied the possibility of reaching higher-energy at the second Stokes wavelength of your Raman laser. If your pump laser of 1078 nm may be acquired at the average energy of 50 W, the output ability of its 2nd Stokes wavelength at 1512 nm may very well be a lot more than ten W. The design of your Raman laser cavity must be optimized to be able to stay away from the damage from the M1 and diamond area.
The average energy with the NIR laser still has the possible to generally be enhanced to tens of watts including 70 W [26] When the double-go configuration could possibly be used for the Yb:YAG SCF amplifier stage. Consequently, if the conversion effectiveness of 31% from NIR to DUV could be even now maintained at this increased power problem, the normal output energy on the DUV laser at 258 nm can be over 20 W, which might be described as a remarkable energy degree for your DUV laser and produce the unanticipated DUV laser machining outcomes. Additionally, for high-energy DUV laser, the UV hurt in the nonlinear crystal, such as the windows for CLBO crystal as well as mirrors, is yet another crucial parameter for long term and stable Procedure.
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LBO can be a wonderful nonlinear crystal which is always applied to the SHG with the NIR to the eco-friendly. click here The DUV laser is often understood by two levels of SFG within the LBO crystals considering that there is no phase-matching angle for LBO to convert the green laser at 515 nm or 532 nm towards the DUV immediately by SHG [16]. Not too long ago, the NSBBF crystal has also proven its prospective to get a substantial conversion effectiveness from 532 nm to 266 nm. The walk-off angle and deff of the NSBBF are almost comparable to All those of CLBO [17].
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Furthermore, combining the good-state laser with other nonlinear approach such as stimulated Raman scattering, NIR lasers may very well be achieved at new wavelengths with large ability and high beam high-quality, which was tested through the proof-of-basic principle experiment. This Raman laser plan presents a new route to the high-energy DUV laser, Specifically with the wavelength of 193 nm.
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