Fresnel lens solar pumping for uniform and stable emission of six sustainable laser beams under non-continuous solar tracking

CR Vistas, D Liang, M Catela, H Costa, D Garcia… - Sustainability, 2023 - mdpi.com
A multirod solar laser approach is here proposed to attain uniform and stable multibeam
emission under non-continuous solar tracking. A Fresnel lens was used as the primary …

Solar laser pumping approach for both simultaneous and stable multibeam operation under tracking error condition

M Catela, D Liang, CR Vistas, H Costa… - … of Photonics for …, 2023 - spiedigitallibrary.org
A solar laser pumping approach to achieve both simultaneous and stable multibeam solar
laser operation under solar tracking error condition is proposed here. By using a heliostat …

Fresnel lens solar-pumped laser with four rods and beam merging technique for uniform and stable emission under tracking error influence

BD Tibúrcio, D Liang, J Almeida, D Garcia, M Catela… - Energies, 2023 - mdpi.com
Significant numerical improvements in Fresnel lens Nd: YAG solar laser collection efficiency,
laser quality factors and tracking error compensation capacity by two Fresnel lenses as …

Stable emission of solar laser power under non-continuous solar tracking conditions

M Catela, D Liang, CR Vistas, D Garcia, H Costa… - Applied Optics, 2023 - opg.optica.org
Solar laser technology typically requires a highly accurate solar tracking system that
operates continuously, which increases energy consumption and reduces the system's …

Seven-rod pumping concept for highly stable solar laser emission

H Costa, D Liang, J Almeida, M Catela, D Garcia… - Energies, 2022 - mdpi.com
A seven-rod solar laser head was conceptualized and numerically studied to improve the
tracking error compensation capacity and power stability in end-side-pumping schemes. It …

Seven-rod pumping concept for simultaneous emission of seven -mode solar laser beams

J Almeida, D Liang, H Costa, D Garcia… - … of Photonics for …, 2020 - spiedigitallibrary.org
In present-day single-rod/single-beam solar laser systems, the thermal lens effect is a
serious issue that limits its ability for a scale-up to higher powers and improved beam …

Stable emissions from a four-rod Nd: YAG solar laser with±0.5 tracking error compensation capacity

M Catela, D Liang, J Almeida, H Costa, D Garcia… - Photonics, 2023 - mdpi.com
Conventional solar-pumped lasers rely on expensive and highly accurate solar tracking
systems, which present a significant economic barrier to both solar laser research and …

Highly efficient four-rod pumping approach for the most stable solar laser emission

M Catela, D Liang, CR Vistas, D Garcia, H Costa… - Micromachines, 2022 - mdpi.com
We report a significant numerical improvement in multi-rod laser efficiency, with an
enhanced solar tracking error compensation capacity for a heliostat-parabolic system. The …

Quasi-Gaussian multibeam solar laser station for a megawatt solar furnace

H Costa, J Almeida, D Liang, BD Tibúrcio… - Journal of Solar …, 2021 - zealpress.com
An alternative multirod solar side-pumping concept for the production of multiple quasi-
Gaussian beams is proposed. This scheme was based on the One-Megawatt solar furnace …

Zigzag Multirod Laser Beam Merging Approach for Brighter TEM00-Mode Solar Laser Emission from a Megawatt Solar Furnace

H Costa, J Almeida, D Liang, M Catela, D Garcia… - Energies, 2021 - mdpi.com
An alternative multirod solar laser end-side-pumping concept, based on the megawatt solar
furnace in France, is proposed to significantly improve the TEM00-mode solar laser output …