How Much You Need To Expect You'll Pay For A Good CLBO Crystal
How Much You Need To Expect You'll Pay For A Good CLBO Crystal
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All-stable-state ultraviolet lasers are commonly used in the fields of mechanical flaw detection, lithography, micromachining and medicine for the advantages of little volume, very long daily life, higher effectiveness, good beam good quality, large tuning and narrow spectral line, and many others. Employing high electric power close to-infrared coherent gentle supply as the elemental frequency resource based on nonlinear tuning know-how, building ultraviolet coherent radiation by multistage frequency conversion is considered to be a significant method to build the ultraviolet coherent mild source.
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We summarized The existing improvement position of your significant-ability DUV laser both of those on the wavelength of FHG of your 1-μm laser and at 193 nm. The new advancement with the strong-condition/fiber laser, together with the nonlinear optical crystals, prompts not only the typical electrical power but in addition the beam excellent (coherence) with the DUV lasers to an unprecedented degree.
The normal electrical power with the NIR laser nonetheless has the probable to become improved to tens of watts which include 70 W [26] In the event the double-go configuration might be utilized for your Yb:YAG SCF amplifier stage. That's why, Should the conversion performance of 31% from NIR to DUV can be continue to maintained at this increased power affliction, the typical output electric power on the DUV laser at 258 nm could be over twenty W, which might certainly be a extraordinary electricity stage for the DUV laser and lead to the unanticipated DUV laser machining final results. Additionally, for prime-electricity DUV laser, the UV problems with the nonlinear crystal, including the windows for CLBO crystal as well as the mirrors, is another critical parameter for lasting and steady operation.
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On one other aspect, the ability scaling from the NIR laser is yet another part to improve the common energy of your 193-nm DUV laser. Mainly because of the not enough the significant-electrical power amplification Option in the NIR laser (for example at 1553 nm), nonlinear frequency procedures such as optical parameter oscillation (OPO) may be placed on develop a wavelength converter by shifting the wavelength from one μm to the specified wavelength in addition to acquiring relative bigger power [21]. Lately, a diamond Raman laser showed its capacity in acquiring a higher electrical power and also a superior conversion performance at the 1st Stokes from the 1-μm laser [22,23], which implies the chance to be used inside the 193-nm DUV laser technology as a result of its substantial Raman achieve and huge frequency shift.
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Tunable ultraviolet laser resource dependant on good-point out dye laser technological know-how and CsLiB6O10 harmonic technology
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The development with the 193-nm laser was demonstrated by stages of SFG. In order to scale the DUV laser electric power successfully, a different principle from the 193-nm DUV laser era is offered dependant on the diamond Raman laser.