The 2-Minute Rule for CLBO Crystal

The 2-Minute Rule for CLBO Crystal

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All-solid-state ultraviolet lasers have already been broadly Employed in the fields of mechanical flaw detection, lithography, micromachining and drugs for some great benefits of smaller quantity, prolonged everyday living, high performance, great beam top quality, vast tuning and narrow spectral line, and so on. Using large ability around-infrared coherent mild resource as the fundamental frequency supply based on nonlinear tuning technology, making ultraviolet coherent radiation by multistage frequency conversion is thought to be a significant method to create the ultraviolet coherent gentle supply.

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According to the proof-of-theory experiment, the conversion efficiency of 23% implied the opportunity of attaining superior-electrical power at the 2nd Stokes wavelength of your Raman laser. Should the pump laser of 1078 nm might be obtained at the average energy of fifty W, the output electricity of its 2nd Stokes wavelength at 1512 nm may very well be a lot more than 10 W. The look of your Raman laser cavity really should be optimized as a way to avoid the harm in the M1 and diamond surface.

The key issue of ultraviolet coherent light source mostly focuses on the event of nonlinear optical frequency conversion crystal in ultraviolet band. The nonlinear optical crystal has become the situations for frequency transformation, so the growth, size, hurt resistance, conversion effectiveness and allowable parameter variety of nonlinear optical crystal are demanded A growing number of.

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LBO is usually a fantastic nonlinear crystal which is always applied to the SHG within the NIR for the environmentally friendly. The DUV laser is normally recognized by two levels of SFG inside the LBO crystals considering the fact that there isn't any phase-matching angle for LBO to convert the eco-friendly laser at 515 nm or 532 nm for the DUV right by SHG [16]. Just lately, the NSBBF crystal has also demonstrated its likely to get a large conversion efficiency from 532 nm to 266 nm. The wander-off angle and deff of your NSBBF are Virtually comparable to Those people of CLBO [seventeen].

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Tunable ultraviolet laser supply based upon good-state dye laser technological innovation and CsLiB6O10 harmonic era

The conversion performance from basic NIR to DUV is from 5% to 36% in accordance with the documented results in Desk 1. Raising the conversion efficiency will decrease the burden on the design and set up of the fundamental laser amplifier together with the electric electric power usage. A very good beam top quality of the elemental laser will also contribute to your expanding from the conversion effectiveness together with the right power intensity from the NIR and eco-friendly laser inside the SHG and FHG approach, respectively. The very best conversion efficiencies from NIR to eco-friendly and eco-friendly to DUV laser by use of CLBO crystal are 70% and about 50%, respectively [twelve], which corresponds towards the conversion efficiency of 35% from elementary to DUV.

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