Photovoltaic laser-power converter based on algaas gaas heterostructures


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AlGaAs gradient waveguides for vertical p/n junction GaAs laser power

Semantic Scholar extracted view of "AlGaAs gradient waveguides for vertical p/n junction GaAs laser power converters" by A. Panchak et al. High-photovoltage GaAs vertical epitaxial monolithic heterostructures with 20 thin p/n junctions and a conversion efficiency of 60%. AlGaAs/GaAs-based semiconductor photovoltaic converters (PVCs) of

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Increasing the Efficiency of 520

Dec 13, 2021· Abstract Photovoltaic converters of 520- to 540-nm laser radiation based on GaInP/GaAs heterostructures have been studied. It is established that a decrease in the degree of GaInP layer ordering by introduction of antimony (Sb) atoms leads to a short-wave shift of the absorption edge with simultaneous growth in the open-circuit voltage. An increase in the total

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What is a GaAs photovoltaic array?

Photovoltaic array GaAs cells response driven by high power laser diodes. Optically powered and interrogated rotary position sensor for aircraft engine control applications. Monolithic, series connected GaAs photovoltaic power converters for optoelectronic component applications. Report number: SAND-92-1534.

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Photovoltaic Laser-Power Converter Based on AlGaAs/GaAs

Abstract—Photovoltaic laser-power converters for a wavelength of λ = 809 nm are developed and fabricated on the basis of single-junction AlGaAs/GaAs structures grown by metal-organic

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How effective are GaAs converters for high power densities of laser illumination?

GaAs converters for high power densities of laser illumination. Prog. Photovolt.: Res. Appl. 2008; 16: 289-295 Modification of photovoltaic laser power converters grown by LPE. 68.9% efficient GaAs based photonic power conversion enabled by photon recycling and optical resonance.

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Increasing the Efficiency of 520

Dec 13, 2021· Photovoltaic laser-power converters for a wavelength of λ = 809 nm are developed and fabricated on the basis of single-junction AlGaAs/GaAs structures grown by metal-organic vapor-phase epitaxy.

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Photovoltaic Laser-Power Converter Based on AlGaAs/GaAs

AlGaAs/GaAs photovoltaic converters of laser light (λ = 809 nm), and the fabrication of a photovoltaic module with a working voltage of 4 V. 2. STRUCTURAL OPTIMIZATION OF A PHOTOVOLTAIC CONVERTER OF LASER LIGHT AlGaAs/GaAs heterostructures were grown by metal-organic vapor-phase epitaxy (MOVPE) on an AIX200/4 installation. The technological

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Integrated series/parallel connection for photovoltaic laser power

Feb 1, 2021· Stable and reliable optical power converting devices are obtained using vertical multi-junction laser power converters. They are based on the GaAs and the InP material systems and are used for

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Photovoltaic laser-power converter based on AlGaAs/GaAs

Photovoltaic laser-power converters for a wavelength of λ = 809 nm are developed and fabricated on the basis of single-junction AlGaAs/GaAs structures grown by metal-organic vapor-phase epitaxy. The parameters of the photovoltaic structure constituted by an optical "window" and a cladding layer are optimized by mathematical simulation. Photovoltaic converters with areas of

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Integrated series/parallel connection for photovoltaic laser power

Oct 19, 2020· With a band gap energy of 1.42 eV, GaAs-based PV cells are well suited for efficient conversion of laser light in the 808- to 850-nm range. 1 GaAs grown by metal organic vapor phase epitaxy For such integrated series connection in PV laser power converters, two architectures are state-of-the-art 3,

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Beaming power: Photovoltaic laser power converters for power

Feb 16, 2022· The most used in PBL systems are GaAs and AlGaAs-based broad-area laser diodes emitting at 808 nm with efficiencies around 40%. 31 Laser diodes emitting at around 900 nm and beyond (940–980 nm) reach efficiencies over 70% 32 although they do not match well with GaAs converters, as will be discussed further on.

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What is a photovoltaic laser power converter (pvlpc)?

Photovoltaic laser power converters (PVLPCs) are the core element of power-by-light (PBL) systems, which are basically made up of a power laser, an optical fiber, and a PVLPC. PBL allows the safe transfer of power in situations where the direct use of electrical energy to power electronic equipment is either not possible or not recommendable.

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Photovoltaic AlGaAs/GaAs devices for conversion of high-power

Oct 15, 2023· Photovoltaic converters of high-power (λ = 800–860 nm, E LR = 150–550 W/cm 2) laser radiation (PhotoVoltaic Laser Power Converters – PVLPCs) based on AlGaAs/GaAs

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Optimization of photoelectric parameters of InGaAs metamorphic laser

Nov 1, 2020· Metamorphic Ga0.76In0.24As heterostructures for photovoltaic converters are grown by the MOCVD (metal–organic chemical vapor deposition) technique. Photovoltaic laser-power converter based on AlGaAs/GaAs heterostructures Photovoltaic laser-power converters for a wavelength of λ = 809 nm are developed and fabricated on the basis of

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(PDF) AlGaAs/GaAs photovoltaic converters for high power

This study aims at improving the structure of the PV cell based on the AlGaAs/GaAs structure for converting high-power (up to 100 W/cm2) radiation with a wavelength Ȝ=809 nm. AlGaAs/GaAs CELLS The GaAs-based laser power converters were fabricated by liquid phase epitaxy (LPE) and metalorganic chemical vapour deposition (MOCVD).

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AlGaAs gradient waveguides for vertical p/n junction GaAs laser power

Apr 1, 2021· For GaAs laser PV converters (λ = 850) the waveguide can be implemented on the basis of Al x Ga (1−x) As solid solutions. Previously was proposed a design and a PV converter with end-face radiation input was manufactured by liquid-phase epitaxy [16].A schematic representation of the GaAs vertical junction PV cell with Al x Ga (1−x) As waveguide appears

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1080 nm InGaAs laser power converters grown by MOCVD using

Sep 15, 2019· Photovoltaic laser power converters can generate electricity directly from laser light. The conversion efficiency under monochromatic laser light is much higher than that under the broad-solar spectrum. Photovoltaic laser-power converter based on AlGaAs/GaAs heterostructures. Semiconductors, 50 (2016), Heterostructures of metamorphic

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AlGaAs/GaAs Photovoltaic Converters of Tritium

Dec 24, 2018· Abstract Electrical supply sources based on photovoltaic converters and tritium radioluminescent lamps with blue and green glow are developed and fabricated. AlxGa1 –xAs/n-GaAs p–n heterostructures with various band-gap widths (Eg = 1.4–1.9 eV) and compositions of the active region (x = 0.1–0.35) are prepared by low-temperature liquid-phase epitaxy. The

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(PDF) Photovoltaic laser-power converter based on AlGaAs/GaAs

Sep 1, 2016· Photovoltaic laser-power converters for a wavelength of λ = 809 nm are developed and fabricated on the basis of single-junction AlGaAs/GaAs structures grown by metal-organic

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InGaAs metamorphic laser (1064 nm) power converters with over

Jan 4, 2017· Grown by metalorganic vapour phase epitaxy (MOVPE) In x Ga1−x As metamorphic laser power converters have been considered. Metamorphic buffer designs with high quality top layers have been developed. Photovoltaic converters with In0.24Ga0.76As photoactive area and optimised buffer have demonstrated efficiency 41.4% for 1064 nm monochromatic radiation

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Photovoltaic AlGaAs/GaAs devices for conversion of high-power

Oct 15, 2023· Photovoltaic converters of high-power (λ = 800–860 nm, E LR = 150–550 W/cm 2) laser radiation (PhotoVoltaic Laser Power Converters – PVLPCs) based on AlGaAs/GaAs heterostructures grown by metalorganic vapor-phase epitaxy have been developed. To increase the output voltage, the space charge region of p-GaAs/n-Al х Ga 1-х As heterojunction was

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68.9% Efficient GaAs‐Based Photonic Power

Mar 20, 2021· In recent years, photonic power converters (PPCs), also known as photovoltaic cells for monochromatic light, laser power converters, or sometimes phototransducers, have received increasing interest as they enable a growing

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(PDF) AlGaAs/GaAs photovoltaic converters for high power

Sep 26, 2014· AlGaAs/GaAs-based laser power PV converters intended for operation with high-power (up to 100 W/cm2) radiation were fabricated by LPE and MOCVD techniques.

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1080 nm InGaAs laser power converters grown by MOCVD using

Sep 15, 2019· Photovoltaic laser power converters can generate electricity directly from laser light. Photovoltaic laser-power converter based on AlGaAs/GaAs heterostructures. Semiconductors Influence of the doping type on the temperature dependencies of the photoluminescence efficiency of InGaAlAs/InGaAs/InP heterostructures. Journal of

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Laser (λ = 809 nm) power converter based on GaAs

May 1, 2017· Laser-power converters with a wavelength of λ = 809 nm are fabricated on the basis of single-junction AlGaAs/GaAs heterostructures grown by the method of liquid-phase epitaxy (LPE).

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Vertical Multi-Junction Laser Power Converters with 61%

Aug 17, 2023· Stable and reliable optical power converting devices are obtained using vertical multi-junction laser power converters. They are based on the GaAs and the InP material systems and are used for power-over-fiber or power-beaming applications. This study demonstrates that, in addition to providing the overall best conversion efficiencies with output voltages ideal for

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Can a GaAs photovoltaic converter be used for laser power beaming?

Design and optimization of GaAs photovoltaic converter for laser power beaming. Enhanced efficiency in 808 nm GaAs laser power converters via gradient doping. Limiting factors on the semiconductor structure of III–V multijunction solar cells for ultra-high concentration (1000–5000 suns). Prog. Photovolt.:

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Beaming power: Photovoltaic laser power converters

Feb 16, 2022· The core of a PBL system is the photovoltaic laser power converter (PVLPC), which transforms the laser light delivered through an optical fiber into electricity. Recently, a PVLPC has demonstrated the highest

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Laser (λ = 809 nm) power converter based on GaAs

May 18, 2017· Laser-power converters with a wavelength of λ = 809 nm are fabricated on the basis of single-junction AlGaAs/GaAs heterostructures grown by the method of liquid-phase

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GaAs converters for high power densities of laser illumination

AlGaAs/GaAs- and GaSb-based laser power PV converters operating at output photocurrent densities up to 100 A/cm/sup 2/ were fabricated. Fill Factor values of 0.85-0.87 at laser power density P/sub Expand

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Four-junction AlGaAs/GaAs laser power converter

Apr 1, 2018· Four-junction AlGaAs/GaAs laser power converters (LPCs) with n +-GaAs/p +-Al 0.37 Ga 0.63 As heterostructure tunnel junctions (TJs) have been designed and grown by metal-organic chemical vapor deposition (MOCVD) for converting the power of 808 nm lasers. A maximum conversion efficiency η c of 56.9% ± 4% is obtained for cells with an aperture of 3.14

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What is a GaAs photovoltaic converter for high power laser diode?

GaAs converter for high power laser diode. Ultralong minority-carrier lifetime epitaxial GaAs by photon recycling. GaAs converters for high power densities of laser illumination. Prog. Photovolt.: Res. Appl. 2008; 16: 289-295 Design and optimization of GaAs photovoltaic converter for laser power beaming.

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Module of Laser-Radiation (λ = 1064 nm) Photovoltaic Converters

Aug 7, 2019· The photovoltaic module (PVM) was formed from 10 × 10 mm InGaAs/GaAs laser power converters. The heterostructures for the LPCs were developed and fabricated at the Ioffe Institute by metal-organic vapor-phase epitaxy on an AIXTRON 200/4 installation [].The heterostructures included a wide-gap optical window p-In y (Al 0.5 Ga 0.5) 1 – y As, a

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Can GaAs-based solar cells be used for pvlpcs?

From then, the experience in developing GaAs-based solar cells has been directly applicable to the development of GaAs PVLPCs. However, the PVLPC has to be adapted and optimized in order to efficiently convert the monochromatic radiation emitted by a laser diode and exiting an optical fiber. This optimization includes the following aspects:

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1080 nm InGaAs laser power converters grown by MOCVD using

Sep 15, 2019· In this study, the InGaAs-based laser power converter have been designed to absorb a laser at 1080 nm and grown by metalorganic chemical vapor deposition. Step graded

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Laser (λ = 809 nm) power converter based on GaAs

May 15, 2017· Laser-power converters with a wavelength of λ = 809 nm are fabricated on the basis of single-junction AlGaAs/GaAs heterostructures grown by the method of liquid-phase epitaxy (LPE). A monochromatic conversion efficiency exceeding 44% is attained with a photovoltaic module based on 64 laser-radiation converters 0.04 cm{sup 2} in area and a

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About Photovoltaic laser-power converter based on algaas gaas heterostructures

About Photovoltaic laser-power converter based on algaas gaas heterostructures

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