Rumored Buzz on CLBO Crystal
Rumored Buzz on CLBO Crystal
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Based on the evidence-of-theory experiment, the conversion performance of 23% implied the opportunity of acquiring higher-power at the second Stokes wavelength of the Raman laser. When the pump laser of 1078 nm might be received at the normal energy of 50 W, the output electric power of its 2nd Stokes wavelength at 1512 nm could be a lot more than ten W. The design on the Raman laser cavity need to be optimized so as to stay away from the harm from the M1 and diamond surface.
The true secret challenge of ultraviolet coherent mild source mostly focuses on the development of nonlinear optical frequency conversion crystal in ultraviolet band. The nonlinear optical crystal is among the situations for frequency transformation, so the growth, dimension, destruction resistance, conversion performance and allowable parameter choice of nonlinear optical crystal are essential A growing number of.
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A result of the thermal lens result while in the strong-state lasers, if the heating management is inadequate, it is not uncomplicated to acquire the strong-condition laser using a superior ability as well as a high beam quality concurrently. Recently, with the development of The skinny disk laser and one-crystal fiber (SCF) laser, a high-energy laser at the elemental wavelength (1 μm) had been understood with an excellent beam high-quality Despite a TEM00 method beam [four,24], which might be superior candidates for the fundamental of your DUV laser generation. One more prospect for the fundamental would be the high-ability fiber laser which may very well be reached by coherent beam mix with M2 worth below 1.
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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the most effective non-linear crystal which generates ultraviolet harmonics of the Nd:YAG fundamental laser wavelength. So that you can greatly enhance the problems threshold, low CLBO surface area roughness, by ultra-precision machining, is needed. Because the CLBO crystal has effortless hydroscopic response and micro scratches in machining, extremely-exact machining of the CLBO crystal is a tough specialized difficulty.
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 beneficial to produce a 193-nm DUV laser with a top quality beam.
The conversion performance from basic NIR to DUV is from five% to 36% based on the reported ends in Desk 1. Raising the conversion efficiency will decrease the stress on the look and setup of the fundamental laser amplifier as well as the electrical ability usage. A fantastic beam high quality of the basic laser may also contribute towards the escalating on the click here conversion effectiveness along with the suitable electricity intensity from the NIR and green laser within the SHG and FHG process, respectively. The highest conversion efficiencies from NIR to environmentally friendly and inexperienced to DUV laser by use of CLBO crystal are 70% and around fifty%, respectively [12], which corresponds towards the conversion performance of 35% from essential to DUV.
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