5 Essential Elements For CLBO Crystal
5 Essential Elements For CLBO Crystal
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On the other hand, as a way to method the crystal is extremely advanced manufacturing techniques are expected. Because the dawn of the crystal, focusing on this challenge, we are actually the only real enterprise on this planet that may be processed During this crystal.
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We summarized The present improvement standing of the significant-electricity DUV laser each at the wavelength of FHG of your 1-μm laser and at 193 nm. The current development in the good-point out/fiber laser, together with the nonlinear optical crystals, prompts not only the standard power but in addition the beam high-quality (coherence) from the DUV lasers to an unprecedented degree.
The main element challenge of ultraviolet coherent gentle supply predominantly concentrates on the event of nonlinear optical frequency conversion crystal in ultraviolet band. The nonlinear optical crystal is probably the ailments for frequency transformation, so The expansion, dimensions, damage resistance, conversion performance and allowable parameter number of nonlinear optical crystal are required An increasing number of.
Conversely, the beam good quality of the greater ability DUV laser would come to be worse resulting from much more critical thermal and nonlinear consequences. As a result, the frequency conversion procedures must be carefully created to mitigate the aforementioned results. Consequently, a significant-ability DUV laser within the FHG of one μm with a very good beam quality could be received and can be beneficial for getting the shorter wavelength DUV lasers which include 193 nm by SFG.
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On another side, the facility scaling on the NIR laser is an additional element to increase the ordinary ability of your 193-nm DUV laser. Due to insufficient the substantial-electrical power amplification Remedy of the NIR laser (for example at 1553 nm), nonlinear frequency processes including optical parameter oscillation (OPO) could possibly be applied to build a wavelength converter by shifting the wavelength from one μm to the desired wavelength along with getting relative higher electricity [21]. Not too long ago, a diamond Raman laser confirmed its ability in attaining a significant power as get more info well as a substantial conversion performance at the 1st Stokes from the 1-μm laser [22,23], which implies the possibility for being utilized within the 193-nm DUV laser era on account of its significant Raman get and huge frequency shift.
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The beam profile revealed in Figure 7b demonstrated an excellent beam quality as on the list of deserves of Raman laser, which would be advantageous to produce a 193-nm DUV laser with a top quality beam.
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The development of your 193-nm laser was demonstrated by phases of SFG. To be able to scale the DUV laser ability efficiently, a completely new notion of your 193-nm DUV laser technology is presented based upon the diamond Raman laser.