The smart Trick of CLBO Crystal That Nobody is Discussing

The smart Trick of CLBO Crystal That Nobody is Discussing

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During this paper, The brand new lapping slurry and polishing slurry are introduced. Along with the deliquescence diploma of CLBO is fallen to lowest. A different Functioning technologies is usually adopted. Following tough polishing, the focus of ultra-precision polishing slurry is amplified effectively. So does the extremely-precision polishing pace, along with the wiping velocity is faster than the deliquescence velocity. The CLBO crystal floor roughness can reach 1nm and retain the surface top quality perfectly. Entry as a result of your establishment

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We summarized the current growth standing from the significant-electrical power DUV laser both with the wavelength of FHG from the one-μm laser and at 193 nm. The recent progress of the reliable-point out/fiber laser, in addition to the nonlinear optical crystals, prompts not only the common power but in addition the beam quality (coherence) on the DUV lasers to an unparalleled level.

For example, The existing concave OC could be replaced by a plane mirror which could mitigate the facility density to the surface area of M1 and the diamond. Also, working with superior problems threshold coatings for M1 and diamond would also improve the output electricity with no damages. Then, the NIR laser with the 2nd Stokes wavelength may very well be substantial plenty of, along with its good beam good quality, to deliver the final DUV laser at 193 nm by using a superior typical power.

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LBO is also a fantastic nonlinear crystal which is usually placed on the SHG in the NIR to your green. The DUV laser is normally understood by two stages of SFG while in the LBO crystals given that there is not any phase-matching angle for LBO to convert the green laser at 515 nm or 532 nm towards the DUV straight by SHG [16]. Lately, the NSBBF crystal has also shown its potential to acquire a significant conversion effectiveness from 532 nm to 266 nm. The walk-off angle and deff in the NSBBF are Virtually much like those of CLBO [seventeen].

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From the scientific and industrial apps, the beam excellent of your DUV laser is also an important parameter. Specifically, the beam top quality in the DUV laser dramatically has an effect on the laser machining effects. The beam good quality in the DUV laser is decided by that of the basic laser and the crystal for that frequency conversion. Not too long ago, a high-electric power DUV laser (>10 W) at 258 nm was documented with a beam good quality of M2 < one.5, 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 result when compared to the prior DUV lasers with much larger M2.

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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the best non-linear crystal which generates ultraviolet harmonics with the Nd:YAG fundamental laser wavelength. So that you can increase the harm threshold, minimal CLBO surface area roughness, by ultra-precision machining, is necessary. Since the CLBO crystal has easy hydroscopic response and website micro scratches in machining, ultra-precise machining of the CLBO crystal is usually a complicated complex difficulty.

Tunable ultraviolet laser source determined by reliable-condition dye laser technological innovation and CsLiB6O10 harmonic technology

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