Ce:Nd:YAG Solar Laser with 4.5% Solar-to-Laser Conversion Efficiency
نویسندگان
چکیده
The efficiency potential of a small-size solar-pumped laser is studied here. solar head was composed fused silica aspheric lens and conical pump cavity, which coupled redistributed the concentrated radiation from focal zone parabolic mirror with an effective collection area 0.293 m2 to end-side Ce (0.1 at%):Nd (1.1 at%):YAG rod 2.5 mm diameter 25 length. Optimum design parameters were found through Zemax© non-sequential ray-tracing LASCAD™ analysis. utilization Ce:Nd:YAG medium small pumped by small-scale concentrator essential significantly enhance thermal performance. For 249 W incoming power at irradiance 850 W/m2, 11.2 multimode measured, corresponding record solar-to-laser conversion 4.50%, being, best our knowledge, 1.22 times higher than previous record. Moreover, highest 38.22 W/m2 slope 6.8% obtained, are 1.18 1.02 times, respectively, records. lowest threshold also reported
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ژورنال
عنوان ژورنال: Energies
سال: 2022
ISSN: ['1996-1073']
DOI: https://doi.org/10.3390/en15145292