What Does CLBO Crystal Mean?
What Does CLBO Crystal Mean?
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Nonetheless, as a way to method the crystal is extremely Highly developed production techniques are expected. Because the dawn of the crystal, working on this problem, we are now the sole company on the earth that may be processed in this crystal.
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We summarized The present enhancement position of your high-electric power DUV laser equally in the wavelength of FHG of your 1-μm laser and at 193 nm. The the latest improvement with the strong-condition/fiber laser, along with the nonlinear optical crystals, prompts don't just the standard energy but in addition the beam top quality (coherence) of your DUV lasers to an unprecedented degree.
The main element challenge of ultraviolet coherent light-weight resource mainly focuses on the event of nonlinear optical frequency conversion crystal in ultraviolet band. The nonlinear optical crystal is among the circumstances for frequency transformation, so The expansion, dimensions, problems resistance, conversion effectiveness and allowable parameter choice of nonlinear optical crystal are demanded more and more.
Then again, the beam high quality of the bigger electricity DUV laser would come to be worse resulting from far more major thermal and nonlinear effects. That's why, the frequency conversion procedures should be cautiously intended to mitigate the aforementioned consequences. Thus, a high-electrical power DUV laser for the FHG of one μm with a very good beam excellent can be received and can be useful for obtaining the shorter wavelength DUV lasers like 193 nm by SFG.
The two the 1040 nm and 1078 nm laser come from one twin-wavelength Yb-doped check here fiber laser. Every single laser is amplified by stages of fiber amplifier and Yb-doped components amplifier, respectively.
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During the scientific and industrial purposes, the beam high-quality of your DUV laser is usually a very important parameter. Notably, the beam good quality on the DUV laser substantially impacts the laser machining results. The beam high-quality on the DUV laser is determined by that of the elemental laser as well as the crystal for the frequency conversion. A short while ago, a large-power DUV laser (>10 W) at 258 nm was claimed using a beam quality of M2 < 1.five, which was produced 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 with the former DUV lasers with bigger M2.
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The beam profile shown in Figure 7b demonstrated a superb beam high-quality as among the merits of Raman laser, which would be helpful to make a 193-nm DUV laser with a high quality beam.
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