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In comparison with BBO it options much larger spectral and temperature acceptance, improved angle tolerance, along with a smaller sized walk-off angle. from 3289 $ supply

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By way of example, The present concave OC could get replaced by a aircraft mirror which could mitigate the power density around the area of M1 plus the diamond. Additionally, making use of high destruction threshold coatings for M1 and diamond would also Enhance the output electric power with none damages. Then, the NIR laser on the 2nd Stokes wavelength might be superior ample, in addition to its fantastic beam high quality, to make the ultimate DUV laser at 193 nm having a significant average power.

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The two the 1040 nm and 1078 nm laser come from one twin-wavelength Yb-doped fiber laser. Each individual laser is amplified by phases of fiber amplifier and Yb-doped components amplifier, respectively.

On another side, the facility scaling with the NIR laser is an additional facet to boost the average ability with the 193-nm DUV laser. A result of the lack of the superior-ability amplification Remedy of the NIR laser (by way of example at 1553 nm), nonlinear frequency processes for instance optical parameter oscillation (OPO) could possibly be placed on create a wavelength converter by shifting the wavelength from 1 μm to the specified wavelength in addition to acquiring relative bigger electrical power [21]. A short while ago, a diamond Raman laser showed its capacity in accomplishing a high electricity plus a superior conversion efficiency in the 1st Stokes in the 1-μm laser [22,23], which suggests the likelihood to get utilized while in the 193-nm DUV laser era as a result of its significant Raman get and enormous frequency change.

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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the simplest non-linear crystal which generates ultraviolet harmonics with the Nd:YAG essential laser wavelength. So that you can greatly enhance the destruction threshold, small CLBO floor roughness, by ultra-precision machining, is needed. Because the CLBO crystal has effortless hydroscopic reaction and micro scratches in machining, extremely-exact machining from the CLBO crystal is really a complicated complex difficulty.

Tunable ultraviolet laser resource dependant on good-condition dye laser technology and CsLiB6O10 harmonic technology

The conversion performance from more info fundamental NIR to DUV is from 5% to 36% based on the noted results in Table one. Increasing the conversion effectiveness will lessen the stress on the look and set up of the basic laser amplifier plus the electric powered power consumption. A superb beam quality of the fundamental laser can even add to the growing with the conversion performance in addition to the right power intensity in the NIR and eco-friendly laser inside the SHG and FHG approach, respectively. The very best conversion efficiencies from NIR to eco-friendly and eco-friendly to DUV laser by use of CLBO crystal are 70% and around fifty%, respectively [12], which corresponds for the conversion efficiency of 35% from essential to DUV.

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