The Greatest Guide To CLBO Crystal
The Greatest Guide To CLBO Crystal
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All-stable-point out ultraviolet lasers are actually greatly Employed in the fields of mechanical flaw detection, lithography, micromachining and drugs for the benefits of smaller quantity, long existence, significant performance, superior beam quality, wide tuning and slender spectral line, etc. Making use of significant electricity close to-infrared coherent light-weight supply as the fundamental frequency resource determined by nonlinear tuning know-how, building ultraviolet coherent radiation by multistage frequency conversion is considered a vital approach to develop the ultraviolet coherent gentle resource.
In comparison with BBO it options greater spectral and temperature acceptance, superior angle tolerance, in addition to a smaller sized stroll-off angle. from 3289 $ shipping
In accordance with the evidence-of-theory experiment, the conversion effectiveness of 23% implied the potential for attaining significant-electric power at the next Stokes wavelength from the Raman laser. If the pump laser of 1078 nm may very well be acquired at the average ability of 50 W, the output power of its 2nd Stokes wavelength at 1512 nm may be more than ten W. The design from the Raman laser cavity really should be optimized so as to avoid the destruction on the M1 and diamond surface.
The average electricity from the NIR laser still has the likely to be enhanced to tens of watts such as 70 W [26] if the double-go configuration may be utilized with the Yb:YAG SCF amplifier phase. Therefore, if the conversion performance of 31% from NIR to DUV could possibly be nonetheless maintained at this larger ability problem, the normal output power in the DUV laser at 258 nm may very well be greater than twenty W, which would certainly be a outstanding electricity degree for the DUV laser and bring about the unanticipated DUV laser machining effects. Moreover, for high-energy DUV laser, the UV hurt with the nonlinear crystal, including the windows for CLBO crystal as well as mirrors, is yet another vital parameter for long run and stable Procedure.
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LBO is likewise a wonderful nonlinear crystal which is often placed on the SHG in the NIR for the inexperienced. The DUV laser is often recognized by two stages of SFG within the LBO crystals considering that there's no period-matching angle for LBO to convert the green laser at 515 nm or 532 nm towards the DUV directly by SHG [16]. Lately, the NSBBF crystal has also shown its potential to acquire a substantial conversion effectiveness from 532 nm to 266 nm. The walk-off angle and deff with the NSBBF are Practically much like Those people of CLBO [17].
On the opposite facet, the power scaling of the NIR laser is an additional element to increase the regular energy of your 193-nm DUV laser. A result of the lack of the significant-electrical power amplification Answer with the NIR laser (for instance at 1553 nm), nonlinear frequency processes for instance optical parameter oscillation (OPO) could possibly be placed on produce a wavelength converter by shifting the wavelength from one μm to the specified wavelength as well as obtaining relative greater electrical power [21]. Just lately, a diamond Raman laser showed its potential in obtaining a high electrical power and a high conversion efficiency with the 1st Stokes on the 1-μm laser [22,23], which implies the possibility to be used during the 193-nm DUV laser technology on account of its substantial Raman obtain and large frequency shift.
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Tunable ultraviolet laser resource dependant on stable-condition dye laser technological innovation and CsLiB6O10 harmonic era
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