Examine This Report on CLBO Crystal
Examine This Report on CLBO Crystal
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Nevertheless, so that you can approach the crystal is quite Innovative production techniques are required. Considering that the dawn of this crystal, working on this problem, we are now the one business on the globe which can be processed On this crystal.
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Based on the evidence-of-principle experiment, the conversion effectiveness of 23% implied the opportunity of accomplishing superior-power at the second Stokes wavelength from the Raman laser. In the event the pump laser of 1078 nm can be acquired at the typical electrical power of 50 W, the output electric power of its 2nd Stokes wavelength at 1512 nm could be more than ten W. The look of the Raman laser cavity ought to be optimized as a way to stay away from the harm from the M1 and diamond surface.
By way of example, The existing concave OC could get replaced by a airplane mirror which could mitigate the ability density within the surface of M1 as well as diamond. Also, making use of superior destruction threshold coatings for M1 and diamond would also Enhance the output electrical power with none damages. Then, the NIR laser within the 2nd Stokes wavelength could possibly be large sufficient, as well as its fantastic beam excellent, to crank out the final DUV laser at 193 nm by using a superior common electric power.
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Because of the thermal lens influence within the strong-point out lasers, In case the heating management is inadequate, It's not at all straightforward to get the strong-point out laser by using a significant electrical power in addition to a significant beam good quality simultaneously. A short while ago, with the development of The skinny disk laser and single-crystal fiber (SCF) laser, a large-electric power laser at the fundamental wavelength (1 μm) had been recognized with a fantastic beam top quality even with a TEM00 mode beam [4,24], which would be fantastic candidates for the elemental of the DUV laser generation. Yet another applicant for the basic will be the large-electric power fiber laser which can be achieved by coherent beam combination with M2 worth a lot less than one.
On one other facet, the facility scaling with the NIR laser is yet another part to raise the common energy of the 193-nm DUV laser. Mainly because of the deficiency of the large-energy amplification Remedy of the NIR laser (one example is at 1553 nm), nonlinear frequency processes such as optical parameter oscillation (OPO) may very well be applied to make a wavelength converter by shifting the wavelength from one μm to the desired wavelength together with obtaining relative increased electricity [21]. Recently, a diamond Raman laser confirmed its means in accomplishing a high electricity and a large conversion performance at the CLBO Crystal 1st Stokes in the 1-μm laser [22,23], which suggests the likelihood being utilized from the 193-nm DUV laser era due to its large Raman obtain and enormous frequency shift.
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