The best Side of CLBO Crystal
The best Side of CLBO Crystal
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All-solid-state ultraviolet lasers are commonly used in the fields of mechanical flaw detection, lithography, micromachining and drugs for some great benefits of little volume, long everyday living, significant efficiency, great beam high-quality, vast tuning and narrow spectral line, and so on. Making use of high energy around-infrared coherent mild resource as the basic frequency resource based upon nonlinear tuning know-how, producing ultraviolet coherent radiation by multistage frequency conversion is thought to be an essential approach to build the ultraviolet coherent light resource.
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We summarized The present improvement position in the high-electric power DUV laser the two at the wavelength of FHG with the 1-μm laser and at 193 nm. The the latest growth of your solid-point out/fiber laser, in addition to the nonlinear optical crystals, prompts don't just the standard ability but in addition the beam quality (coherence) on the DUV lasers to an unparalleled degree.
The common energy with the NIR laser nonetheless has the probable to become improved to tens of watts for instance 70 W [26] When the double-go configuration may be used with the Yb:YAG SCF amplifier stage. Therefore, In case the conversion performance of 31% from NIR to DUV could possibly be even now taken care of at this larger electricity situation, the average output electrical power in the DUV laser at 258 nm could possibly be a lot more than 20 W, which would be a extraordinary ability stage for your DUV laser and result in the unanticipated DUV laser machining success. What's more, for prime-energy DUV laser, the UV damage with the nonlinear crystal, including the Home windows for CLBO crystal as well as the mirrors, is yet another critical parameter for long term and steady Procedure.
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On the other facet, the power scaling of your NIR laser is yet another facet to increase the regular electric power of your 193-nm DUV laser. Due to insufficient the superior-electrical power amplification Answer with the NIR laser (for instance at 1553 nm), nonlinear frequency procedures such as optical parameter oscillation (OPO) may be placed on create a wavelength converter by shifting the wavelength from one μm to the specified wavelength as well as obtaining relative bigger power [21]. Lately, a diamond Raman laser showed its capability in obtaining a high electric power in addition to a superior conversion performance for the 1st Stokes on the 1-μm laser [22,23], which means the chance to become used during the 193-nm DUV laser era on account of its large Raman attain and enormous frequency change.
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What's more, combining the strong-condition laser with other nonlinear course of action such as stimulated Raman scattering, NIR lasers could possibly be realized at new wavelengths with higher electricity and high beam high quality, which was tested from the proof-of-basic principle experiment. This Raman laser plan delivers a different route to the large-energy DUV laser, Particularly in the wavelength of 193 nm.
Tunable ultraviolet laser supply according to sound-condition dye laser know-how and CsLiB6O10 harmonic technology
Its UV absorption edge reaches a hundred and eighty nm. The helpful nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about 2 times as massive as that of KDP. CLBO crystals could be grown within the stoichiometric soften with lower viscosity.
The event from the 193-nm laser was shown by stages of SFG. To be able to scale the DUV laser power efficiently, a different idea with the 193-nm DUV laser generation is presented based upon the diamond Raman laser.