What Does CLBO Crystal Mean?
What Does CLBO Crystal Mean?
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We summarized The present development status on the high-ability DUV laser both at the wavelength of FHG from the 1-μm laser and at 193 nm. The current improvement of your stable-state/fiber laser, and also the nonlinear optical crystals, prompts not simply the common energy but also the beam high-quality (coherence) of the DUV lasers to an unprecedented level.
The standard electricity of the NIR laser even now has the potential to become improved to tens of watts for example 70 W [26] When the double-go configuration may be used to the Yb:YAG SCF amplifier stage. Hence, In case the conversion performance of 31% from NIR to DUV might be nonetheless preserved at this better ability condition, the typical output electrical power in the DUV laser at 258 nm could possibly be a lot more than 20 W, which would be a remarkable power degree for the DUV laser and produce the unanticipated DUV laser machining success. What's more, for top-electric power DUV laser, the UV hurt of your nonlinear crystal, such as the windows for CLBO crystal and also the mirrors, is another significant parameter for long term and steady Procedure.
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LBO can also be a fantastic nonlinear crystal which is often applied to the SHG from your NIR to your environmentally friendly. The DUV laser is generally recognized by two phases of SFG while in the LBO crystals due to the fact there is no section-matching angle for LBO to transform read more the environmentally friendly laser at 515 nm or 532 nm on the DUV immediately by SHG [16]. A short while ago, the NSBBF crystal has also shown its prospective to obtain a significant conversion performance from 532 nm to 266 nm. The wander-off angle and deff in the NSBBF are Virtually much like All those of CLBO [seventeen].
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Within the scientific and industrial programs, the beam high quality from the DUV laser is also an important parameter. Particularly, the beam high-quality with the DUV laser substantially affects the laser machining success. The beam good quality on the DUV laser is determined by that of the basic laser and also the crystal with the frequency conversion. Just lately, a high-energy DUV laser (>ten W) at 258 nm was claimed having a beam excellent of M2 < 1.5, which was created by FHG of a Yb:YAG laser at 1030 nm using the CLBO crystal [thirteen]. This laser would lead to an improved laser machining final result when compared to the prior DUV lasers with more substantial M2.
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Furthermore, combining the stable-state laser with other nonlinear method for instance stimulated Raman scattering, NIR lasers may be accomplished at new wavelengths with substantial power and high beam high quality, which was examined because of the proof-of-basic principle experiment. This Raman laser scheme presents a fresh route to the significant-energy DUV laser, Particularly in the wavelength of 193 nm.
Tunable ultraviolet laser source according to solid-point out dye laser technological know-how and CsLiB6O10 harmonic era
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