Examine This Report on CLBO Crystal
Examine This Report on CLBO Crystal
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Nevertheless, to be able to approach the crystal is very Highly developed production methods are needed. For the reason that dawn of this crystal, engaged on this challenge, we at the moment are the one company on the globe that can be processed in this crystal.
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We summarized the current progress standing of the significant-power DUV laser both of those for the wavelength of FHG in the 1-μm laser and at 193 nm. The recent enhancement on the strong-state/fiber laser, together with the nonlinear optical crystals, prompts not just the normal power but in addition the beam high-quality (coherence) of your DUV lasers to an unprecedented level.
As an illustration, The existing concave OC could get replaced by a airplane mirror which could mitigate the facility density around the surface of M1 and also the diamond. Additionally, applying high destruction threshold coatings for M1 and diamond would also Increase the output electric power without any damages. Then, the NIR laser for the 2nd Stokes wavelength could be high sufficient, in addition to its great beam top quality, to generate the final DUV laser at 193 nm by using a higher average energy.
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On one other aspect, the power scaling of your NIR laser is an additional part to increase the typical energy of your 193-nm DUV laser. Due to not enough the substantial-electric power amplification solution in the NIR laser (as an example at 1553 nm), nonlinear frequency procedures like optical parameter oscillation (OPO) can be applied to build a wavelength converter by shifting the wavelength from one μm to the desired wavelength and also getting relative higher electricity [21]. Not long ago, a diamond Raman laser confirmed its capacity in attaining a higher electrical power and more info also a substantial conversion effectiveness at the 1st Stokes of your one-μm laser [22,23], which means the chance to become used during the 193-nm DUV laser generation thanks to its substantial Raman get and huge frequency change.
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Tunable ultraviolet laser source according to sound-state dye laser technologies and CsLiB6O10 harmonic generation
The conversion performance from basic NIR to DUV is from 5% to 36% in accordance with the reported ends in Desk 1. Rising the conversion performance will reduce the burden on the design and set up of the fundamental laser amplifier as well as the electrical ability consumption. A superb beam high-quality of the elemental laser will also contribute towards the escalating on the conversion efficiency along with the suitable electricity depth on the NIR and green laser inside the SHG and FHG method, respectively. The highest conversion efficiencies from NIR to green and green to DUV laser by usage of CLBO crystal are 70% and all-around fifty%, respectively [12], which corresponds to the conversion performance of 35% from elementary to DUV.
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