The best Side of CLBO Crystal
The best Side of CLBO Crystal
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When compared to BBO it functions more substantial spectral and temperature acceptance, superior angle tolerance, plus a smaller sized wander-off angle. from 3289 $ shipping
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The main element problem of ultraviolet coherent mild supply predominantly concentrates on the development of nonlinear optical frequency conversion crystal in ultraviolet band. The nonlinear optical crystal is one of the ailments for frequency transformation, so The expansion, measurement, destruction resistance, conversion effectiveness and allowable parameter range of nonlinear optical crystal are essential more and more.
Then again, the beam high quality of this increased energy DUV laser would come to be worse resulting from a lot more serious thermal and nonlinear effects. Hence, the frequency conversion procedures must be carefully created to mitigate the aforementioned results. Consequently, a high-electricity DUV laser with the FHG of one μm with a good beam quality could be attained and can be useful for obtaining the shorter wavelength DUV lasers such as 193 nm by SFG.
A result of the thermal lens influence in the strong-state lasers, In case the heating administration is inadequate, It is far from simple to obtain the good-condition laser by using a significant electric power in addition to a large beam good quality concurrently. Just lately, with the event of the thin disk laser and single-crystal fiber (SCF) laser, a higher-electrical power laser at the fundamental wavelength (1 μm) were understood with a fantastic beam excellent In spite of a TEM00 method beam [4,24], which would be superior candidates for the elemental with the DUV laser era. Yet another prospect for the basic will be the high-ability fiber laser which may very well be attained by coherent beam combination with M2 benefit a lot less than 1.
On the other facet, the ability scaling from the NIR laser is yet another factor to increase the normal electricity from the 193-nm DUV laser. Mainly because of the deficiency of the higher-ability amplification Remedy of the NIR laser (one example is at 1553 nm), nonlinear frequency processes for instance optical parameter oscillation (OPO) could check here be placed on establish a wavelength converter by shifting the wavelength from 1 μm to the specified wavelength along with obtaining relative better energy [21]. A short while ago, a diamond Raman laser showed its potential in achieving a large ability along with a significant conversion efficiency on the 1st Stokes on the one-μm laser [22,23], which implies the possibility to get used in the 193-nm DUV laser era on account of its superior Raman acquire and large frequency shift.
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Inside the scientific and industrial apps, the beam excellent of your DUV laser can also be a crucial parameter. Notably, the beam good quality with the DUV laser radically affects the laser machining effects. The beam high quality in the DUV laser is set by that of the basic laser and also the crystal for the frequency conversion. Lately, a higher-energy DUV laser (>ten W) at 258 nm was claimed which has a beam high quality of M2 < one.five, which was produced by FHG of a Yb:YAG laser at 1030 nm using the CLBO crystal [thirteen]. This laser would bring on an improved laser machining end result in comparison with the prior DUV lasers with larger M2.
The heart beat length of the 2nd Stokes light was shortened to 5 ns as revealed in Figure 7a, one-shot picture through the oscilloscope, which is a typical phenomenon in Raman laser [forty four] when the pulse duration with the pump laser was 10 ns.
In addition, combining the good-state laser with other nonlinear approach which include stimulated Raman scattering, NIR lasers might be reached at new wavelengths with superior energy and substantial beam excellent, which was analyzed from the proof-of-theory experiment. This Raman laser scheme presents a brand new route to the large-electricity DUV laser, In particular within the wavelength of 193 nm.
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Its UV absorption edge reaches one hundred eighty nm. The helpful nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about twice as massive as that of KDP. CLBO crystals can be grown through the stoichiometric soften with lower viscosity.
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