The best Side of CLBO Crystal
The best Side of CLBO Crystal
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According to the proof-of-theory experiment, the conversion effectiveness of 23% implied the opportunity of reaching substantial-electric power at the 2nd Stokes wavelength of the Raman laser. When the pump laser of 1078 nm could possibly be acquired at the common electricity of 50 W, the output ability of its 2nd Stokes wavelength at 1512 nm may very well be more than ten W. The design in the Raman laser cavity needs to be optimized in an effort to steer clear of the hurt from the M1 and diamond floor.
The real key trouble of ultraviolet coherent light-weight supply mostly focuses on the event of nonlinear optical frequency conversion crystal in ultraviolet band. The nonlinear optical crystal is probably the situations for frequency transformation, so The expansion, measurement, injury resistance, conversion performance and allowable parameter choice of nonlinear optical crystal are necessary Increasingly more.
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Because of the thermal lens outcome inside the solid-point out lasers, if the heating management is insufficient, It's not at all quick to obtain the good-state laser with a high ability in addition to a significant beam top quality at the same time. Not long ago, with the event of The skinny disk laser and single-crystal fiber (SCF) laser, a substantial-ability laser at the basic wavelength (one μm) had been recognized with a very good beam high-quality In spite of a TEM00 manner beam [four,24], which might be fantastic candidates for the fundamental of your DUV laser era. Another candidate for the elemental is the higher-energy fiber laser which may be realized by coherent beam blend with M2 worth under 1.
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The heartbeat length of the second Stokes gentle was shortened to five ns as proven in Determine 7a, one-shot image from the oscilloscope, that's a standard phenomenon in Raman laser [44] though the pulse length of the pump laser was 10 ns.
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Tunable ultraviolet laser resource dependant on good-point out dye laser technology and CsLiB6O10 harmonic technology
The conversion efficiency from essential NIR to DUV is from 5% to 36% according to the described results in Desk one. Escalating the conversion performance will reduce the load on the look and setup of the basic laser amplifier along with the electrical power usage. A very good beam top quality of the basic laser will likely contribute for the raising of your conversion efficiency in addition to the suitable electricity depth with the NIR and environmentally friendly laser in the SHG and FHG process, respectively. The highest conversion efficiencies from NIR to eco-friendly and eco-friendly to DUV laser by use of CLBO crystal are 70% and about fifty%, respectively [twelve], which corresponds to your conversion effectiveness of 35% from basic to DUV.
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