High-Efficiency Conversion of High-Power-Density Laser Radiation

Journal Article · Tue Jan 15 00:00:00 EST 2019 · Technical Physics Letters

DOI:https://doi.org/10.1134/S1063785019010310· OSTI ID:22929333

Pokrovskiy, P. V.; Malevskiy, D. A.; Larionov, V. R.; Shvarts, M. Z. ^[1]

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1. Ioffe Physical Technical Institute, Russian Academy of Sciences (Russian Federation)

AlGaAs/GaAs-based semiconductor photovoltaic converters (PVCs) of laser radiation, capable of operating at an illuminance up to 9 kW/cm{sup 2} with retained isothermal state have been studied. This state was confirmed by the logarithmic shape of dependences of the open-circuit voltage on the power density of incident laser radiation. At maximum illuminance, the open-circuit voltage level was close to 1.33 V. It is shown that the proposed PVCs can provide laser radiation conversion at an 840-nm wavelength with efficiency above 51% at an incident radiation power density of 2.5 kW/cm{sup 2}.

• OSTI ID: 22929333
• Journal Information: Technical Physics Letters, Vol. 45, Issue 1; Other Information: Copyright (c) 2019 Pleiades Publishing, Ltd.; Country of input: International Atomic Energy Agency (IAEA); ISSN 1063-7850
• Country of Publication: United States
• Language: English

Related Subjects

14 SOLAR ENERGY
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALUMINIUM ARSENIDES
EFFICIENCY
ELECTRIC POTENTIAL
ENERGY CONVERSION
GALLIUM ARSENIDES
ILLUMINANCE
LASER RADIATION
PHOTOVOLTAIC EFFECT
POWER DENSITY
SEMICONDUCTOR MATERIALS
SOLAR CELLS
WAVELENGTHS