CLBO Crystal Fundamentals Explained

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The average power of your NIR laser however has the likely to become enhanced to tens of watts for example 70 W [26] When the double-pass configuration could be used with the Yb:YAG SCF amplifier phase. Consequently, Should the conversion efficiency of 31% from NIR to DUV might be however preserved at this higher ability condition, the typical output electric power of your DUV laser at 258 nm could possibly be much more than twenty W, which might be a exceptional electricity stage to the DUV laser and produce the unanticipated DUV laser machining final results. Also, for top-power DUV laser, the UV harm in the nonlinear crystal, including the windows for CLBO crystal along with the mirrors, is an additional crucial parameter for long-term and secure operation.

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Due to the thermal lens outcome from the sound-point out lasers, In case the heating management is inadequate, It's not necessarily uncomplicated to obtain the solid-point out laser using a high electrical power along with a significant beam high quality concurrently. Recently, with the development of The skinny click here disk laser and single-crystal fiber (SCF) laser, a substantial-ability laser at the fundamental wavelength (one μm) were understood with a good beam top quality In spite of a TEM00 manner beam [four,24], which might be fantastic candidates for the elemental in the DUV laser era. A different prospect for the elemental would be the significant-ability fiber laser which could be realized by coherent beam blend with M2 worth under one.

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From the scientific and industrial programs, the beam good quality with the DUV laser is also an important parameter. Particularly, the beam quality of your DUV laser considerably impacts the laser machining results. The beam excellent in the DUV laser is determined by that of the basic laser and the crystal for that frequency conversion. Lately, a significant-ability DUV laser (>ten W) at 258 nm was claimed that has a beam excellent of M2 < 1.five, which was produced by FHG of a Yb:YAG laser at 1030 nm using the CLBO crystal [13]. This laser would cause a better laser machining result when compared with the previous DUV lasers with greater M2.

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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the simplest non-linear crystal which generates ultraviolet harmonics with the Nd:YAG elementary laser wavelength. In an effort to increase the injury threshold, reduced CLBO surface roughness, by extremely-precision machining, is required. As the CLBO crystal has straightforward hydroscopic reaction and micro scratches in machining, extremely-exact machining from the CLBO crystal is really a tough complex issue.

Tunable ultraviolet laser supply determined by reliable-condition dye laser know-how and CsLiB6O10 harmonic era

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The development of the 193-nm laser was demonstrated by levels of SFG. As a way to scale the DUV laser ability properly, a different idea with the 193-nm DUV laser technology is presented determined by the diamond Raman laser.