5 Essential Elements For CLBO Crystal
5 Essential Elements For CLBO Crystal
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When compared with BBO it characteristics larger spectral and temperature acceptance, much better angle tolerance, in addition to a smaller sized stroll-off angle. from 3289 $ supply
We summarized The existing enhancement position from the high-ability DUV laser equally at the wavelength of FHG on the 1-μm laser and at 193 nm. The new progress of your strong-condition/fiber laser, in addition to the nonlinear optical crystals, prompts not just the average power and also the beam top quality (coherence) of the DUV lasers to an unprecedented stage.
The crucial element problem of ultraviolet coherent light source primarily focuses on the development of nonlinear optical frequency conversion crystal in ultraviolet band. The nonlinear optical crystal is amongst the problems for frequency transformation, so the growth, dimension, problems resistance, conversion performance and allowable parameter array of nonlinear optical crystal are essential more and more.
Alternatively, the beam high-quality of this bigger electrical power DUV laser would come to be worse resulting from more significant thermal and nonlinear outcomes. Hence, the frequency conversion processes really should be carefully made to mitigate the aforementioned outcomes. Consequently, a significant-power DUV laser on the FHG of 1 μm with a fantastic beam high-quality might be obtained and will be valuable for getting the shorter wavelength DUV lasers such as 193 nm by SFG.
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Within the scientific and industrial programs, the beam top quality in the DUV laser can be a significant parameter. Specially, the beam excellent with the DUV laser radically impacts the laser machining results. The beam high-quality on the DUV laser is determined by that of the basic laser plus the crystal to the frequency conversion. Recently, a significant-energy DUV laser (>ten W) at 258 nm was reported that has a beam high quality of M2 < 1.five, which was created by FHG of a Yb:YAG laser at 1030 nm using the CLBO crystal [thirteen]. This laser would produce a much better laser machining final result as compared to the prior DUV lasers with more substantial M2.
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The beam profile proven in Figure 7b demonstrated a fantastic beam quality as one of many merits of Raman laser, which would be useful to make a 193-nm DUV laser with a high quality beam.
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