However, so that you can course of action the crystal is quite Sophisticated production tactics are necessary. Since the dawn of the crystal, focusing on this problem, we at the moment are the sole business on the globe that could be processed In this particular crystal.
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Based on the proof-of-principle experiment, the conversion efficiency of 23% implied the potential of accomplishing high-electrical power at the next Stokes wavelength of your Raman laser. In the event the pump laser of 1078 nm may very well be attained at the typical energy of fifty W, the output power of its 2nd Stokes wavelength at 1512 nm could be more than ten W. The look of the Raman laser cavity need to be optimized so as to steer clear of the harm on the M1 and diamond floor.
The crucial element challenge of ultraviolet coherent light-weight resource largely concentrates on the event of nonlinear optical frequency conversion crystal in ultraviolet band. The nonlinear optical crystal is probably the disorders for frequency transformation, so The expansion, size, harm resistance, conversion efficiency and allowable parameter array of nonlinear optical crystal are needed more and more.
Conversely, the beam top quality of the greater electric power DUV laser would turn out to be even worse resulting from more critical thermal and nonlinear outcomes. As a result, the frequency conversion processes must be carefully intended to mitigate the aforementioned consequences. Thus, a large-electric power DUV laser at the FHG of 1 μm with an excellent beam good quality may be received and can be useful for acquiring the shorter wavelength DUV lasers including 193 nm by SFG.
The two the 1040 nm and check here 1078 nm laser come from one twin-wavelength Yb-doped fiber laser. Every single laser is amplified by stages of fiber amplifier and Yb-doped materials amplifier, respectively.
On the opposite side, the power scaling of the NIR laser is yet another factor to boost the average power of your 193-nm DUV laser. Mainly because of the deficiency of the substantial-electrical power amplification solution of your NIR laser (one example is at 1553 nm), nonlinear frequency processes which include optical parameter oscillation (OPO) might be placed on create a wavelength converter by shifting the wavelength from one μm to the specified wavelength along with getting relative higher electricity [21]. A short while ago, a diamond Raman laser showed its capacity in acquiring a high electrical power and also a high conversion efficiency with the 1st Stokes of your one-μm laser [22,23], which means the likelihood being used in the 193-nm DUV laser generation as a result of its substantial Raman get and huge frequency shift.
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Tunable ultraviolet laser resource based on strong-state dye laser engineering and CsLiB6O10 harmonic generation
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