All-strong-state ultraviolet lasers happen to be extensively used in the fields of mechanical flaw detection, lithography, micromachining and medicine for some great benefits of small quantity, extensive everyday living, large efficiency, good beam quality, large tuning and slim spectral line, and so on. Utilizing superior electrical power near-infrared coherent gentle source as the basic frequency source based on nonlinear tuning technology, making ultraviolet coherent radiation by multistage frequency conversion is viewed as an important strategy to develop the ultraviolet coherent mild supply.
In comparison with BBO it capabilities much larger spectral and temperature acceptance, much better angle tolerance, plus a smaller walk-off angle. from 3289 $ shipping and delivery
Based on the proof-of-principle experiment, the conversion performance of 23% implied the opportunity of accomplishing significant-electricity at the next Stokes wavelength with the Raman laser. If your pump laser of 1078 nm may be acquired at the standard electric power of fifty W, the output electricity of its 2nd Stokes wavelength at 1512 nm could possibly be over 10 W. The look with the Raman laser cavity ought to be optimized as a way to avoid the destruction with the M1 and diamond floor.
The crucial element trouble of ultraviolet coherent light source mainly focuses on the event of nonlinear optical frequency conversion crystal in ultraviolet band. The nonlinear optical crystal is without doubt one of the situations for frequency transformation, so the growth, measurement, hurt resistance, conversion effectiveness and allowable parameter array of nonlinear optical crystal are necessary An increasing number of.
Alternatively, the beam high-quality of the higher power DUV laser would grow to be worse as a result of a lot more critical thermal and nonlinear outcomes. That's why, the frequency conversion processes ought to be diligently meant to mitigate the aforementioned consequences. Consequently, a substantial-electrical power DUV laser in the FHG of one μm with a superb beam excellent may be obtained and can be effective for acquiring the shorter wavelength DUV lasers such as 193 nm by SFG.
Due to thermal lens result within the good-condition lasers, When the heating administration is insufficient, it is not effortless to obtain the stable-state laser that has a large ability as well as a superior beam top quality at the same time. Lately, with the development of The skinny disk laser and one-crystal fiber (SCF) laser, a higher-electricity laser at the fundamental wavelength (one μm) were understood with a good beam top quality In spite of a TEM00 method beam [4,24], which would be fantastic candidates for the elemental with the DUV laser technology. An additional candidate for the fundamental would be the superior-electric power fiber laser which can be obtained by coherent beam blend with M2 price under 1.
On one other facet, the ability scaling from the NIR laser is yet another component to improve the normal electrical power from the 193-nm DUV laser. Due to the deficiency of the large-power amplification Option from the NIR laser (such as at 1553 nm), nonlinear frequency processes for instance optical parameter oscillation (OPO) might be placed on build a wavelength converter by shifting the wavelength from 1 μm to the specified wavelength as well as getting relative greater electricity [21]. A short while check here ago, a diamond Raman laser showed its capacity in accomplishing a high energy plus a significant conversion performance within the 1st Stokes of the one-μm laser [22,23], which means the chance to get used during the 193-nm DUV laser technology as a result of its large Raman obtain and large frequency change.
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Also, combining the strong-condition laser with other nonlinear system like stimulated Raman scattering, NIR lasers may very well be achieved at new wavelengths with large electric power and high beam high quality, which was examined with the evidence-of-basic principle experiment. This Raman laser scheme delivers a completely new path to the high-power DUV laser, Particularly with the wavelength of 193 nm.
Tunable ultraviolet laser supply depending on sound-state dye laser know-how and CsLiB6O10 harmonic era
Its UV absorption edge reaches one hundred eighty nm. The efficient nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about two times as large as that of KDP. CLBO crystals is often grown through the stoichiometric melt with reduced viscosity.
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