The Definitive Guide to CLBO Crystal

The Definitive Guide to CLBO Crystal

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On the other hand, in an effort to method the crystal is very advanced production methods are demanded. Because the dawn of this crystal, focusing on this obstacle, we are now the one company on the globe which can be processed in this crystal.

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We summarized the current development standing from the superior-electricity DUV laser both equally in the wavelength of FHG of your 1-μm laser and at 193 nm. The modern improvement with the good-condition/fiber laser, as well as the nonlinear optical crystals, prompts not merely the standard electrical power but will also the beam high quality (coherence) in the DUV lasers to an unparalleled degree.

The typical electricity in the NIR laser however has the probable to be enhanced to tens of watts for instance 70 W [26] if the double-pass configuration might be used for your Yb:YAG SCF amplifier phase. Therefore, If your conversion effectiveness of 31% from NIR to DUV could be however maintained at this increased power problem, the standard output electricity from the DUV laser at 258 nm may very well be more than 20 W, which would be considered a amazing ability amount for the DUV laser and result in the unanticipated DUV laser machining final results. Moreover, for high-energy DUV laser, the UV harm from the nonlinear crystal, including the Home windows for CLBO crystal plus the mirrors, is yet another important parameter for long term and secure operation.

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Equally the 1040 nm and 1078 nm laser come from one twin-wavelength Yb-doped fiber laser. Just about every laser is amplified by phases of fiber amplifier and Yb-doped supplies amplifier, respectively.

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The pulse length of the second Stokes gentle was shortened to 5 ns as demonstrated in Figure 7a, one-shot image from the oscilloscope, and that is a common phenomenon in Raman laser [44] though the pulse length of your pump laser was 10 ns.

Cesium Lithium Borate (CsLiB6O10 or CLBO) is the most effective non-linear crystal which generates ultraviolet harmonics on the Nd:YAG elementary laser wavelength. So that you can improve the hurt threshold, reduced CLBO surface area roughness, by extremely-precision machining, is needed. Because the CLBO get more info crystal has uncomplicated hydroscopic reaction and micro scratches in machining, extremely-specific machining in the CLBO crystal is usually a challenging complex problem.

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The conversion effectiveness from essential NIR to DUV is from 5% to 36% in accordance with the noted brings about Table 1. Expanding the conversion efficiency will decrease the stress on the design and setup of the elemental laser amplifier in addition to the electric powered energy use. An excellent beam high-quality of the fundamental laser may even add to the escalating on the conversion performance and the right power intensity of the NIR and green laser within the SHG and FHG method, respectively. The highest conversion efficiencies from NIR to eco-friendly and eco-friendly to DUV laser by usage of CLBO crystal are 70% and all over fifty%, respectively [12], which corresponds to the conversion performance of 35% from elementary to DUV.

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