What Does CLBO Crystal Mean?

What Does CLBO Crystal Mean?

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All-strong-state ultraviolet lasers have been widely used in the fields of mechanical flaw detection, lithography, micromachining and medicine for some great benefits of small volume, long life, high performance, superior beam quality, broad tuning and narrow spectral line, and so on. Making use of large electricity around-infrared coherent mild supply as the fundamental frequency supply depending on nonlinear tuning technological innovation, making ultraviolet coherent radiation by multistage frequency conversion is thought to be a vital way to create the ultraviolet coherent mild resource.

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For example, The existing concave OC could get replaced by a plane mirror which could mitigate the ability density around the surface of M1 plus the diamond. Additionally, making use of high problems threshold coatings for M1 and diamond would also improve the output power with none damages. Then, the NIR laser for the 2nd Stokes wavelength could possibly be high plenty of, in addition to its fantastic beam high quality, to crank out the ultimate DUV laser at 193 nm using a significant ordinary electricity.

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LBO can be an excellent nonlinear crystal which is always applied to the SHG within the NIR on the green. The DUV laser is normally recognized by two levels of SFG during the LBO crystals given that there isn't a period-matching angle for LBO to transform the inexperienced laser at 515 nm or 532 nm to your DUV instantly by SHG [sixteen]. A short while ago, the NSBBF crystal has also shown its prospective to obtain a large conversion efficiency from 532 nm to 266 nm. The wander-off angle and deff of your NSBBF are Pretty much just like These of CLBO [seventeen].

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The pulse period of click here the second Stokes light-weight was shortened to 5 ns as demonstrated in Figure 7a, only one-shot photo from your oscilloscope, which is a typical phenomenon in Raman laser [forty four] although the heart beat duration on the pump laser was ten ns.

Cesium Lithium Borate (CsLiB6O10 or CLBO) is the most effective non-linear crystal which generates ultraviolet harmonics of the Nd:YAG essential laser wavelength. So as to enrich the hurt threshold, minimal CLBO surface area roughness, by ultra-precision machining, is necessary. Since the CLBO crystal has simple hydroscopic response and micro scratches in machining, extremely-exact machining from the CLBO crystal is a tricky specialized problem.

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Its UV absorption edge reaches a hundred and eighty nm. The helpful nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about two times as massive as that of KDP. CLBO crystals could be developed with the stoichiometric melt with lessen viscosity.

The event of the 193-nm laser was demonstrated by levels of SFG. To be able to scale the DUV laser electric power efficiently, a different idea with the 193-nm DUV laser technology is presented depending on the diamond Raman laser.