Examine This Report on CLBO Crystal
Examine This Report on CLBO Crystal
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All-sound-condition ultraviolet lasers are actually greatly Employed in the fields of mechanical flaw detection, lithography, micromachining and drugs for the benefits of modest volume, long life, high efficiency, great beam quality, large tuning and narrow spectral line, etcetera. Employing superior electric power around-infrared coherent light source as the elemental frequency source determined by nonlinear tuning technology, building ultraviolet coherent radiation by multistage frequency conversion is considered an important strategy to develop the ultraviolet coherent mild supply.
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We summarized The existing development position from the substantial-ability DUV laser the two for the wavelength of FHG of the 1-μm laser and at 193 nm. The latest progress of the strong-state/fiber laser, and also the nonlinear optical crystals, prompts not only the typical energy but additionally the beam high quality (coherence) in the DUV lasers to an unprecedented amount.
The standard electric power on the NIR laser nevertheless has the possible to be enhanced to tens of watts including 70 W [26] When the double-move configuration could be used for your Yb:YAG SCF amplifier stage. Hence, If your conversion efficiency of 31% from NIR to DUV may very well be however managed at this bigger electric power affliction, the typical output electric power of the DUV laser at 258 nm can be click here greater than 20 W, which would be described as a amazing energy degree for your DUV laser and cause the unanticipated DUV laser machining success. Moreover, for high-energy DUV laser, the UV injury in the nonlinear crystal, including the windows for CLBO crystal as well as the mirrors, is an additional crucial parameter for long term and secure Procedure.
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Both of those the 1040 nm and 1078 nm laser originate from one twin-wavelength Yb-doped fiber laser. Just about every laser is amplified by phases of fiber amplifier and Yb-doped components amplifier, respectively.
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The beam profile revealed in Figure 7b demonstrated an excellent beam excellent as one of the merits of Raman laser, which would be advantageous to create a 193-nm DUV laser with a high quality beam.
Its UV absorption edge reaches one hundred eighty nm. The successful nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about 2 times as large as that of KDP. CLBO crystals is usually developed in the stoichiometric soften with decrease viscosity.
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