What Does CLBO Crystal Mean?
What Does CLBO Crystal Mean?
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All-solid-condition ultraviolet lasers are greatly Employed in the fields of mechanical flaw detection, lithography, micromachining and medication for the advantages of little quantity, extensive life, high efficiency, great beam excellent, huge tuning and slim spectral line, and so forth. Employing superior ability around-infrared coherent gentle source as the elemental frequency source based on nonlinear tuning technological know-how, creating ultraviolet coherent radiation by multistage frequency conversion is viewed as a crucial way to acquire the ultraviolet coherent light-weight source.
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The real key difficulty of ultraviolet coherent light-weight source largely focuses on the event of nonlinear optical frequency conversion crystal in ultraviolet band. The nonlinear optical crystal is among the problems for frequency transformation, so The expansion, sizing, damage resistance, conversion efficiency and allowable parameter range of nonlinear optical crystal are required A growing number of.
However, the beam excellent of this increased ability DUV laser would turn out to be even worse as a result of more critical thermal and nonlinear effects. That's why, the frequency conversion procedures ought to be thoroughly designed to mitigate the aforementioned results. As a result, a significant-ability DUV laser in the FHG of 1 μm with an excellent beam high-quality could possibly be acquired and will be advantageous for obtaining the shorter wavelength DUV lasers such as 193 nm by SFG.
Because of the thermal lens effect from the sound-point out lasers, If your heating management is inadequate, It's not at all simple to acquire the strong-state laser with a higher power and also a large beam quality at the same time. Not too long ago, with the event of the thin disk laser and solitary-crystal fiber (SCF) laser, a superior-electrical power laser at the elemental wavelength (1 μm) had been recognized with a very good beam top quality In spite of a TEM00 method beam [4,24], which would be good candidates for the fundamental in the DUV laser era. One more applicant for the basic would be the significant-electric power fiber laser which could possibly be accomplished by coherent get more info beam blend with M2 price a lot less than one.
On the opposite side, the power scaling from the NIR laser is another aspect to enhance the regular ability with the 193-nm DUV laser. A result of the insufficient the substantial-electrical power amplification Remedy on the NIR laser (one example is at 1553 nm), nonlinear frequency processes which include optical parameter oscillation (OPO) might be applied to build a wavelength converter by shifting the wavelength from one μm to the specified wavelength as well as getting relative greater ability [21]. A short while ago, a diamond Raman laser showed its skill in acquiring a higher electricity and also a high conversion efficiency on the 1st Stokes in the one-μm laser [22,23], which implies the possibility for being used during the 193-nm DUV laser technology on account of its superior Raman obtain and enormous frequency change.
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Tunable ultraviolet laser resource dependant on reliable-state dye laser technologies and CsLiB6O10 harmonic technology
Its UV absorption edge reaches a hundred and eighty nm. The powerful nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about two times as big as that of KDP. CLBO crystals may be developed from the stoichiometric melt with reduced viscosity.
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