Having said that, so as to approach the crystal is extremely Sophisticated producing approaches are essential. Since the dawn of the crystal, engaged on this challenge, we are actually the only corporation on the globe which can be processed During this crystal.
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Based on the evidence-of-basic principle experiment, the conversion performance of 23% implied the opportunity of obtaining high-energy at the second Stokes wavelength in the Raman laser. In case the pump laser of 1078 nm may be received at the common electricity of 50 W, the output electricity of its 2nd Stokes wavelength at 1512 nm may very well be in excess of 10 W. The design of your Raman laser cavity really should be optimized so as to avoid the problems on the M1 and diamond floor.
As an example, The existing concave OC could get replaced by a plane mirror which could mitigate the power density within the area of M1 as well as diamond. Moreover, applying substantial damage threshold coatings for M1 and diamond would also Increase the output electrical power without any damages. Then, the NIR laser within the 2nd Stokes wavelength could possibly be large plenty of, and its very good beam top quality, to produce the ultimate DUV laser at 193 nm using a superior typical ability.
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As a result of thermal lens impact within the good-condition lasers, When the heating administration is inadequate, It's not easy to get the solid-condition laser with a substantial energy plus a significant beam excellent concurrently. Not long ago, with the development of the thin disk laser and solitary-crystal fiber (SCF) laser, a high-energy laser at the fundamental wavelength (1 μm) had been realized with an excellent beam high-quality In spite of a TEM00 mode beam [four,24], which might be good candidates for the basic on the DUV laser generation. Another prospect for the elemental would be the higher-energy fiber laser which could be realized by coherent beam mixture with M2 value less than 1.
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The event of your 193-nm laser was demonstrated by stages of SFG. So as to scale the DUV laser energy proficiently, a brand new principle of your 193-nm DUV laser generation is offered based upon the diamond Raman laser.