A Simple Key For CLBO Crystal Unveiled
A Simple Key For CLBO Crystal Unveiled
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Nevertheless, in order to method the crystal is extremely advanced production strategies are required. Considering that the dawn of the crystal, working on this obstacle, we are now the one organization in the world that could be processed in this crystal.
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According to the evidence-of-theory experiment, the conversion performance of 23% implied the potential of obtaining substantial-ability at the second Stokes wavelength of the Raman laser. In the event the pump laser of 1078 nm may very well be received at the normal electric power of fifty W, the output electricity of its 2nd Stokes wavelength at 1512 nm may be greater than ten W. The look of your Raman laser cavity really should be optimized so that you can steer clear of the destruction of your M1 and diamond floor.
The important thing dilemma of ultraviolet coherent light-weight supply mainly focuses on the event of nonlinear optical frequency conversion crystal in ultraviolet band. The nonlinear optical crystal is among the situations for frequency transformation, so the growth, dimension, harm resistance, conversion efficiency and allowable parameter range of nonlinear optical crystal are required Increasingly more.
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LBO is likewise a wonderful nonlinear crystal which is usually placed on the SHG within the NIR to the green. The DUV laser is generally realized by two stages of SFG within the LBO crystals given that there isn't a stage-matching angle for LBO to transform the eco-friendly laser at 515 nm or 532 nm to the DUV instantly by SHG [sixteen]. Not long ago, the NSBBF crystal has also demonstrated its probable to get a substantial conversion effectiveness from 532 nm to 266 nm. The walk-off angle and deff of the NSBBF are Pretty much comparable to Those people of CLBO [17].
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The beam profile demonstrated in Determine 7b shown a very good beam high quality as one of several merits of Raman laser, which would be useful to crank out a 193-nm DUV laser with a top quality beam.
The conversion effectiveness from fundamental NIR to DUV is from 5% to 36% based on the claimed results in Desk one. Growing the conversion performance will reduce the burden on the design and setup of the basic laser amplifier plus the electrical ability usage. A good beam good quality of the elemental laser will even contribute to the expanding on the conversion effectiveness as well as the suitable electrical power intensity of your NIR and eco-friendly laser from click here the SHG and FHG procedure, respectively. The highest conversion efficiencies from NIR to green and environmentally friendly to DUV laser by usage of CLBO crystal are 70% and all over 50%, respectively [12], which corresponds into the conversion effectiveness of 35% from basic to DUV.
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