A Review Of CLBO Crystal

A Review Of CLBO Crystal

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We summarized The existing growth position in the higher-ability DUV laser equally at the wavelength of FHG with the 1-μm laser and at 193 nm. The new growth on the strong-condition/fiber laser, along with the nonlinear optical crystals, prompts not simply the average electricity but will also the beam high quality (coherence) on the DUV lasers to an unprecedented stage.

The common electrical power from the NIR laser still has the opportunity to get improved to tens of watts such as 70 W [26] Should the double-move configuration could be used to the Yb:YAG SCF amplifier phase. That's why, if the conversion effectiveness of 31% from NIR to DUV could be even now taken care of at this greater electric power situation, the common output electricity of the DUV laser at 258 nm may be much more than 20 W, which would be considered a extraordinary power level for your DUV laser and bring about the unanticipated DUV laser machining benefits. Also, for prime-electricity DUV laser, the UV hurt on the nonlinear crystal, including the windows for CLBO crystal as well as mirrors, is an additional crucial parameter for long term and stable Procedure.

On the flip side, the beam quality of the higher energy DUV laser would come to be worse on account of extra major thermal and nonlinear results. For this reason, the frequency conversion procedures ought to be very carefully intended to mitigate the aforementioned outcomes. Consequently, a superior-energy DUV laser in the FHG of 1 μm with a great beam top quality may be acquired and will be advantageous for getting the shorter wavelength DUV lasers which include 193 nm by SFG.

Both of those the 1040 nm and 1078 nm laser originate from a single dual-wavelength Yb-doped fiber laser. Each individual laser is amplified by levels of fiber amplifier and Yb-doped resources amplifier, respectively.

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During the scientific and industrial purposes, the beam high-quality with the DUV laser is likewise a significant parameter. Specially, the beam high quality from the DUV laser significantly has an effect on the laser machining benefits. The beam high quality with the DUV laser is set by that of the elemental laser along with the crystal for the frequency conversion. Not long ago, a large-ability DUV laser (>10 W) at 258 nm was described having a beam good quality of M2 < one.five, which was generated by FHG of a Yb:YAG laser at 1030 nm utilizing the CLBO crystal [thirteen]. This laser would result in an improved laser machining final result compared to the earlier DUV lasers with much larger M2.

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Its UV absorption edge reaches a hundred and eighty nm. The successful nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about 2 times as massive as that of KDP. CLBO crystals can be grown from the stoichiometric melt with lessen viscosity.

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