The Greatest Guide To CLBO Crystal
The Greatest Guide To CLBO Crystal
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All-strong-state ultraviolet lasers happen to be extensively used in the fields of mechanical flaw detection, lithography, micromachining and medicine for some great benefits of little volume, prolonged everyday living, high efficiency, good beam high quality, broad tuning and narrow spectral line, etc. Employing substantial electrical power in close proximity to-infrared coherent light-weight resource as the elemental frequency supply determined by nonlinear tuning technologies, making ultraviolet coherent radiation by multistage frequency conversion is viewed as a significant approach to build the ultraviolet coherent mild source.
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According to the evidence-of-basic principle experiment, the conversion performance 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 attained at the typical electricity of 50 W, the output energy of its 2nd Stokes wavelength at 1512 nm might be a lot more than ten W. The design on the Raman laser cavity really should be optimized so that you can stay away from the destruction of the M1 and diamond area.
The important thing dilemma of ultraviolet coherent gentle resource generally focuses on the development of nonlinear optical frequency conversion crystal in ultraviolet band. The nonlinear optical crystal is probably the problems for frequency transformation, so The expansion, measurement, problems resistance, conversion efficiency and allowable parameter range of nonlinear optical crystal are essential Progressively more.
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On the other facet, the facility scaling with the NIR laser is an additional facet to improve the normal power from the 193-nm DUV laser. Due to the not enough the significant-electricity amplification Remedy of the NIR laser (such as at 1553 nm), nonlinear frequency processes such as optical parameter oscillation (OPO) could be applied to make a wavelength converter by shifting the wavelength from one μm to the desired wavelength along with getting relative larger electrical power [21]. A short while ago, a diamond Raman laser showed its capacity in achieving a large electric power and a higher conversion efficiency on the click here 1st Stokes on the one-μm laser [22,23], which implies the possibility for being utilized in the 193-nm DUV laser generation as a result of its substantial Raman achieve and huge frequency shift.
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The beam profile revealed in Figure 7b demonstrated a fantastic beam quality as one of several deserves of Raman laser, which might be helpful to crank out a 193-nm DUV laser with a top quality beam.
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The event on the 193-nm laser was shown by stages of SFG. So that you can scale the DUV laser electricity effectively, a whole new concept on the 193-nm DUV laser technology is presented based upon the diamond Raman laser.