5 Easy Facts About CLBO Crystal Described
5 Easy Facts About CLBO Crystal Described
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All-strong-state ultraviolet lasers are actually extensively Employed in the fields of mechanical flaw detection, lithography, micromachining and drugs for the benefits of small quantity, long lifetime, higher efficiency, great beam top quality, vast tuning and slender spectral line, etc. Utilizing higher ability in the vicinity of-infrared coherent gentle resource as the basic frequency supply based on nonlinear tuning technological know-how, making ultraviolet coherent radiation by multistage frequency conversion is viewed as a significant way to create the ultraviolet coherent light supply.
In comparison with BBO it options more substantial spectral and temperature acceptance, far better angle tolerance, and also a smaller walk-off angle. from 3289 $ delivery
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The key difficulty of ultraviolet coherent gentle source primarily focuses on the event of nonlinear optical frequency conversion crystal in ultraviolet band. The nonlinear optical crystal is amongst the conditions for frequency transformation, so The expansion, measurement, injury resistance, conversion effectiveness and allowable parameter array of nonlinear optical crystal are required An increasing number of.
On the other hand, the beam quality of this greater electricity DUV laser would come to be even worse due to a lot more serious thermal and nonlinear effects. Therefore, the frequency conversion processes ought to be diligently meant to mitigate the aforementioned outcomes. Consequently, a large-power DUV laser on the FHG of one μm with a good beam top quality could possibly be obtained and can be effective for acquiring the shorter wavelength DUV lasers which include 193 nm by SFG.
LBO is usually an outstanding nonlinear crystal which is often applied to the SHG within the NIR for the environmentally friendly. The DUV laser is often realized by two levels of SFG during the LBO crystals considering the fact that there isn't a period-matching angle for LBO to transform the green laser at 515 nm or 532 nm for the DUV directly by SHG [sixteen]. A short while ago, the NSBBF CLBO Crystal crystal has also demonstrated its prospective to get a significant conversion efficiency from 532 nm to 266 nm. The stroll-off angle and deff with the NSBBF are Just about just like These of CLBO [seventeen].
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Inside the scientific and industrial purposes, the beam high-quality from the DUV laser can also be a significant parameter. Notably, the beam quality with the DUV laser drastically impacts the laser machining results. The beam high quality of your DUV laser is set by that of the fundamental laser and the crystal with the frequency conversion. Not long ago, a substantial-ability DUV laser (>10 W) at 258 nm was noted that has a beam good quality of M2 < one.five, which was created by FHG of a Yb:YAG laser at 1030 nm using the CLBO crystal [thirteen]. This laser would cause a greater laser machining end result in comparison to the earlier DUV lasers with bigger M2.
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Tunable ultraviolet laser resource dependant on solid-state dye laser know-how and CsLiB6O10 harmonic generation
Its UV absorption edge reaches a hundred and eighty nm. The powerful nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about two times as huge as that of KDP. CLBO crystals is usually grown within the stoichiometric melt with lower viscosity.
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