Thinking tomorrows' space – Research trends of the ESA advanced concepts team 2002–2012

Summerer, Leopold

doi:10.1016/j.actaastro.2013.11.002

Cited by 15 publications

(10 citation statements)

References 50 publications

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“…Optical power transfer has recently been in the spotlight for wireless bioelectronics due to deep tissue penetration and miniaturization of the system. [129][130][131] The tissue transmission window at the NIR window of 650-1350 nm offers enhanced tissue penetration, compared to the visible light spectrum. 132,133 One approach for light-powered systems is the use of upconversion nano particles (UCNPs) with LEDs.…”

Section: Light-powered Integrated Systems For Optical Neuromodulationmentioning

confidence: 99%

Optical neuromodulation at all scales: from nanomaterials to wireless optoelectronics and integrated systems

et al. 2023

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Section: Light-powered Integrated Systems For Optical Neuromodulationmentioning

confidence: 99%

Optical neuromodulation at all scales: from nanomaterials to wireless optoelectronics and integrated systems

et al. 2023

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“…3) In addition, in recent years, optical wireless powertransmission (OWPT) systems that can supply electrical energy cordlessly over long distances have been intensively investigated. [4][5][6][7][8][9][10][11] Most of the studies on OWPT systems reported to date have used silicon (Si)-based solar cells as light-receiving elements. 12) However, securing a dedicated space for installing a large Si solar-cell module in a small electronic device is an issue; a transparent thin-film photoelectric conversion device could be a solution.…”

Section: Introductionmentioning

confidence: 99%

Improvement of near-infrared photoelectric conversion efficiency of solution-coated (C₈BTBT)(F₄TCNQ) films by adding Fe₃O₄ nanoparticles

Uchiyama

Shibata

Tonthat

et al. 2023

Jpn. J. Appl. Phys.

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To realize transparent photoelectric conversion elements useful for optical wireless power-transmission systems and sensors, we investigated thin films of 2,7-dioctyl[1]benzothieno [3,2-b][1]benzothiophene and fluorinated derivatives of 7,7,8,8,-tetracyanoquinodimethane (C8BTBT)(F4TCNQ) produced by a simple solution-coating method. We found that the addition of Fe3O4 nanoparticles (NPs) to a (C8BTBT)(F4TCNQ) solution promoted crystal formation and increased the optical absorption of the film. This was because the addition of NPs formed a middle layer, and the NPs acted as starting points for the formation of crystal nuclei. Photocurrent measurements confirmed that the quantum efficiency (QE) of the film with NPs was improved by about 14-fold compared with the film without NPs. The promotion of crystal formation increased the optical absorption and significantly improved QE.

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“…Optical wireless power transmission (OWPT) is an attractive method. [12][13][14][15][16][17][18] It is advantageous for long-distance transmission by light beams and it has no electromagnetic interference. One of the issues of OWPT is power transmission efficiency, whose upper limit can be calculated by the multiplication of light source efficiency and light receiver efficiency.…”

Section: Introductionmentioning

confidence: 99%

Design and experimental characterization of optical wireless power transmission using GaAs solar cell and series-connected high-power vertical cavity surface emitting laser array

Katsuta

Miyamoto

2018

Jpn. J. Appl. Phys.

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Optical wireless power transmission (OWPT) has numerous advantages. To improve the efficiency of the OWPT, we decreased current by series connection of vertical cavity surface emitting laser (VCSEL) array chips to reduce cable loss. The fabricated highoutput-power series-connected VCSEL array module with a wavelength of 850 nm and 20 W light output power showed increased light source efficiency. By using the seriesconnected module, an output electrical power of 7.5 W from the GaAs solar cell and a power transmission efficiency of 15% were achieved. Transmission up to a distance of 2.3 m was demonstrated without efficiency deterioration. The obtained results can be applied to the power supply to a controller of a hybrid DC circuit breaker, which requires high electrical insulation. It is also useful as a fundamental knowledge applicable to the construction of various OWPT systems.

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Thinking tomorrows' space – Research trends of the ESA advanced concepts team 2002–2012

Cited by 15 publications

References 50 publications

Optical neuromodulation at all scales: from nanomaterials to wireless optoelectronics and integrated systems

Optical neuromodulation at all scales: from nanomaterials to wireless optoelectronics and integrated systems

Improvement of near-infrared photoelectric conversion efficiency of solution-coated (C₈BTBT)(F₄TCNQ) films by adding Fe₃O₄ nanoparticles

Design and experimental characterization of optical wireless power transmission using GaAs solar cell and series-connected high-power vertical cavity surface emitting laser array

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Thinking tomorrows' space – Research trends of the ESA advanced concepts team 2002–2012

Cited by 15 publications

References 50 publications

Optical neuromodulation at all scales: from nanomaterials to wireless optoelectronics and integrated systems

Optical neuromodulation at all scales: from nanomaterials to wireless optoelectronics and integrated systems

Improvement of near-infrared photoelectric conversion efficiency of solution-coated (C8BTBT)(F4TCNQ) films by adding Fe3O4 nanoparticles

Design and experimental characterization of optical wireless power transmission using GaAs solar cell and series-connected high-power vertical cavity surface emitting laser array

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Improvement of near-infrared photoelectric conversion efficiency of solution-coated (C₈BTBT)(F₄TCNQ) films by adding Fe₃O₄ nanoparticles