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École Polytechnique Fédérale de Lausanne News
Single-Photon Emitter Retains High Purity at High Temperature
LAUSANNE, Switzerland, May 18, 2022 — Scientists at École polytechnique fédérale de Lausanne (EPFL) have developed a single-photon emitter capable of room temperature operation. The technology is based on quantum dots grown on cost-effective silicon substrates....
Hybrid Approach Enables Ultralow-Loss Integrated Photonics for Lidar
LAUSANNE, Switzerland, July 23, 2020 — Researchers at École Polytechnique Fédérale de Lausanne (EPFL) and Purdue University demonstrated a hybrid approach to on-chip acousto-optic modulation by combining piezoelectric aluminium nitride technology with ultralow-loss...
Photon-counting Camera Captures 3D Images with Record Speed, Resolution
ZURICH, April 20, 2020 — A megapixel camera, based on time-gated, single-photon avalanche diode (SPAD) image sensors, has been developed at École polytechnique fédérale de Lausanne (EPFL). The camera can detect single photons and convert them into...
Kippenberg, Wolf Win Zeiss Research Award for Contributions to Photonics
OBERKOCHEN, Germany, March 8, 2018 — Tobias Kippenberg, professor at the Laboratory of Photonics and Quantum Measurements at the École Polytechnique Fédérale de Lausanne (EPFL), and Jean-Pierre Wolf, professor at the Biophotonics Institute at the University of...
NREL Collaboration Brings New Light to Silicon Solar
GOLDEN, Colo., Sept. 27, 2017 — A collaboration between researchers at the U.S. Department of Energy's National Renewable Energy Laboratory (NREL), the Swiss Center for Electronics and Microtechnology (CSEM) and the École Polytechnique Fédérale de Lausanne...
Medically Monitoring Cameras Could Replace Skin Sensors
ZURICH, April 13, 2017 — Premature babies kept warm in neonatal incubators could soon be medically monitored with cameras rather than with sensors attached to their skin. The camera system was developed by École Polytechnique Fédérale de Lausanne...
Telescopic contact lens helps AMD patients see
SAN DIEGO, and LAUSANNE, Switzerland – A slim, telescopic contact lens that switches between normal and magnified vision in combination with liquid crystal eyeglasses could provide a relatively unobtrusive way to enhance the sight of patients with age-related macular degeneration...
Telescopic Contact Lens Helps AMD Patients See
SAN DIEGO, and LAUSANNE, Switzerland, June 27, 2013 — A slim, telescopic contact lens that switches between normal and magnified vision using liquid crystal eyeglasses could provide a relatively unobtrusive way to enhance the sight of patients with age-related macular degeneration (AMD).
New Material Improves Camera Sensitivity
LAUSANNE, Switzerland, June 13, 2013 — A new material with five times the light sensitivity of current silicon-based sensor technology could yield cameras sensitive enough to capture photos using only starlight.
Supercheap hydrogen recipe: Sunlight + water + rust
Mar 1, 2013 — Water and rust can team up to produce hydrogen from sunlight supereconomically, a group at École Polytechnique Fédérale de Lausanne (EPFL) in Switzerland has found. Researchers have been pursuing the conversion of solar energy...
Recipe for supercheap hydrogen: sunlight + water + rust
LAUSANNE, Switzerland – Water and rust can make supereconomical hydrogen from sunlight, a team from École Polytechnique Fédérale de Lausanne (EPFL) reported recently. Researchers have been pursuing the conversion of solar energy into...
Supercheap Hydrogen Recipe: Sunlight + Water + Rust
LAUSANNE, Switzerland, Nov. 12, 2012 — Water and rust have been used to produce hydrogen from sunlight supereconomically, a team from École Polytechnique Fédérale de Lausanne (EPFL) reports.
Plasmonics to Yield Thinner, Cheaper Solar Cells
STANFORD, Calif., Feb. 14, 2011 — A multidisciplinary team of Stanford engineers led by Mike McGehee, Yi Cui and Mark Brongersma, and joined by Michael Graetzel at the École Polytechnique Fédérale de Lausanne (EPFL) announced a new technology using plasmonics to...
Pocket Projector Realized
LAUSANNE, Switzerland, Sept. 22, 2010 — The projector of the future, 1 cm³ of technology that can be integrated into a portable computer or mobile telephone, is about to take the market by storm. Lemoptix, a spinoff of École polytechnique fédérale de Lausanne...
Bioimaging Concept SPADnet Funded
LAUSANNE, Switzerland, Sept. 17, 2010 — SPADnet (Fully Networked, Digital Components for Photon-starved Biomedical Imaging Systems) is a new collaborative research project funded by the European Union within the Information and Communication Technologies (ICT) Theme of its Seventh...
Mid-IR Tunable Lasers Probe Hydrocarbon Molecules
Sep 1, 2009 — Infrared laser spectroscopy is a powerful technique that allows unique identification of chemical species as well as study of their properties. Measuring absorption as a function of wavelength enables chemists to obtain spectra of compounds that are...
Seeing the Sky in 3-D
PAYERNE, Switzerland, Aug. 29, 2008 – Meteorologists in western Switzerland will now use light to detect temperature and humidity in the atmosphere. Designed by the École Polytechnique Fédérale de Lausanne (EPFL) and funded by the Swiss National Science Foudnation, the new Lidar...
Tissue Made Transparent
PASADENA, Calif., Feb. 13, 2008 -- A new optical trick that counteracts the scattering of light through humans could one day make biological tissue as see-through as a jellyfish under diagnostic and therapeutic imagers. "The reason a person is not transparent is that their tissues...
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May 2024
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