5 Essential Elements For CLBO Crystal
5 Essential Elements For CLBO Crystal
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Nonetheless, in order to procedure the crystal is incredibly advanced manufacturing procedures are necessary. Because the dawn of this crystal, engaged on this challenge, we are actually the only organization in the world that may be processed in this crystal.
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We summarized The existing growth status with the large-energy DUV laser both of those in the wavelength of FHG in the one-μm laser and at 193 nm. The latest development on the solid-condition/fiber laser, as well as the nonlinear optical crystals, prompts not simply the average electricity but additionally the beam top quality (coherence) of the DUV lasers to an unprecedented degree.
The common electrical power of the NIR laser however has the potential to get improved to tens of watts for example 70 W [26] When the double-move configuration may be utilized for that Yb:YAG SCF amplifier stage. As a result, In case the conversion performance of 31% from NIR to DUV may be still managed at this greater ability problem, the standard output energy with the DUV laser at 258 nm could be over twenty W, which might certainly be a outstanding electricity degree for the DUV laser and bring about the unanticipated DUV laser machining success. What's more, for high-energy DUV laser, the UV hurt of the nonlinear crystal, including the windows for CLBO crystal and also the mirrors, is yet another crucial parameter for long term and stable operation.
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LBO can be an excellent nonlinear crystal which is usually placed on the SHG within the NIR for the inexperienced. The DUV laser is usually realized by two stages of SFG while in the LBO crystals given that there is not any section-matching angle for LBO to transform the environmentally friendly laser at 515 nm or 532 nm to the DUV immediately by SHG [16]. Lately, the NSBBF crystal has also shown its possible to obtain a substantial conversion efficiency from 532 nm to 266 nm. The walk-off angle and deff from the NSBBF are Virtually just like These of CLBO [seventeen].
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In the scientific and industrial applications, the beam quality from the DUV laser can also be an essential parameter. Especially, the beam high quality of the DUV laser radically influences the laser machining final results. The beam high quality of your DUV laser is set by that of the fundamental laser plus the crystal to the frequency conversion. Lately, a significant-electrical power DUV laser (>ten W) at 258 nm was noted with a beam good quality of M2 < one.5, which was produced by FHG of a Yb:YAG laser at 1030 nm utilizing the CLBO crystal [thirteen]. This laser would result in an even better laser machining result when compared to the former DUV lasers with greater M2.
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Moreover, combining the reliable-condition laser with other nonlinear process for instance stimulated Raman scattering, NIR lasers might be realized at new wavelengths with high electrical power and significant beam quality, which was tested from the proof-of-principle experiment. This Raman laser scheme gives a different path to the significant-ability DUV laser, especially in the wavelength of 193 nm.
Tunable ultraviolet laser resource based on strong-state dye laser engineering and CsLiB6O10 harmonic generation
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