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metasurface News
Large-scale, Mass-producible Metalens Enables Astral Imaging
CAMBRIDGE, Mass., Jan. 23, 2024 — Researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have developed a 10-centimeter-diameter glass metalens that can image the sun, the moon and distant nebulae with high resolution. It is the first all-glass, large-scale metalens in the visible wavelength that can be mass produced using conventional CMOS fabrication technology. “The ability to accurately control the size of tens of billions of nanopillars over an unprecedentedly large flat
Metasurface Technique Enables Advanced Holography Applications
WUHAN, China, Dec. 28, 2023 — Computer-generated holography (CGH) represents a cutting-edge technology that employs computer algorithms to dynamically reconstruct virtual objects. Despite its broad application spectrum, contemporary techniques for CGH rely on projection devices...
Birefringent Metasurface Aims to Transform Waveplate Tech
LIVERMORE, Calif., Oct. 17, 2023 — Lawrence Livermore National Laboratory (LLNL) researchers have adapted their novel metasurface process, which creates a thin layer on the surface of an optic, to create an all-glass metasurface with birefringence, or dual refraction, properties....
MICROOLED Raises $23M: Week in Brief: 07/14/23
GRENOBLE, France, July 14, 2023 — MICROOLED, a manufacturer of high-resolution, low power consumption OLED microdisplays, raised €21 million ($23.6 million) in a fundraising round. MICROOLED is targeting microdisplay applications in augmented and virtual reality and other...
Metasurfaces Exert Control Over Darkness
CAMBRIDGE, Mass., July 3, 2023 — Researchers led by Federico Capasso at Harvard John A. Paulson School of Engineering and Applied Sciences have developed methods to exert control over points of darkness, rather than light, using metasurfaces. “Dark regions in electromagnetic...
Metalenz, UMC Team for Metasurface Optics Market Launch
BOSTON, June 26, 2023 — Metalenz has partnered with semiconductor foundry United Microelectronics Corp. (UMC) to begin mass production of its metasurface optics using semiconductor manufacturing processes. With this partnership, Metalenz said, metasurface optics will be...
Ultrafast Beam-Steering Achieved for Incoherent Light
ALBUQUERQUE, N.M., April 4, 2023 — A research team at Sandia National Laboratories has demonstrated a technique that dynamically steers light pulses from conventional incoherent light sources. The ability to control incoherent light with a semiconductor device could allow low-power,...
"Nonlocal" Metasurface Enables High-Performing AR Eyeglasses
NEW YORK, Oct. 4, 2022 — With conventional AR glasses, there is a trade-off in terms of quality and brightness between the external scene that a wearer actually sees and the contextual information that the wearer wants to visualize. Early solutions used multiple bulky...
Metasurfaces Open Up Research Paths For Quantum State Engineering
ERLANGEN, Germany, Sept. 15, 2022 — Scientists from the Max Planck Institute for the Science of Light and the Friedrich-Alexander-Universität Erlangen-Nürnberg, in cooperation with Sandia National Laboratories, have pioneered a method of generating entangled photon pairs...
Nanoparticles, Light-Matter Interactions Spur Datacom Developments
CANBERRA, Australia, June 27, 2022 — Physicists at Australian National University (ANU) have developed translucent metasurfaces, described as slides, that produce two distinct images by manipulating the direction in which light travels through them. The newly introduced technology uses...
Metasurface Tech Enables Polarization Imaging on Almost Any Camera
CAMBRIDGE, Mass., April 4, 2022 — Researchers from the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have developed a metasurface attachment that can turn almost any camera or imaging system, even off-the-shelf systems, into polarization cameras. The...
Reconfigurable Intelligent Surface Offers Precision Wave Control
BELLINGHAM, Wash., Feb. 9, 2022 — An international team of researchers has developed a mechanical reconfigurable intelligent surface that features a high reconfiguration degree of freedom, is low cost, and is characterized by its low energy consumption. The device operates at...
Metasurface-Based Multiplexing Sharpens Vector Beam Communications
SHENZHEN, China, Jan. 11, 2022 — An approach to cylindrical vector beam (CVB) multiplexing that is based on off-axis polarization control, developed by a research team from Shenzhen University, could help realize the potential of CVB multiplexing as a pathway to high-capacity...
Camera the Size of a Gran of Salt Performs Beyond its Scale
PRINCETON, N.J., Dec. 17, 2021 — Researchers at Princeton University and the University of Washington (UW) designed a nanosize camera, no bigger than a grain of salt, that produces images comparable to those produced by a traditional lens setup more than 500,000 times larger than...
Ptychography Technique Raises Imaging Throughput
STORRS, Conn., Nov. 3, 2021 — A resolution-enhanced parallel-coded ptychography technique developed by researchers at the University of Connecticut has achieved the highest numerical aperture and throughput to date, compared to previous demonstrations of similar technology. The...
Metalens Design Uses Millions of Holes to Focus Light into Single Point
CAMBRIDGE, Mass., Oct. 19, 2021 — Researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) developed a metalens that uses deep narrow holes, rather than tall pillars, to focus light to a single point. The metasurface uses more than 12 million...
Hybrid Metalens Supports Miniaturized Optics for Endoscopy
BOSTON, Sept. 20, 2021 — Researchers at Boston University and Harvard University, with colleagues from the Misr University for Science and Technology in Egypt and the University of Waterloo in Canada, developed an achromatic, hybrid metalens that is designed to focus two...
Metasurfaces Offer Full Control of Light Polarization
CAMBRIDGE, Mass., Aug. 26, 2021 — Researchers at the Harvard John A. Paulson School of Engineering and Applied Science have developed metasurfaces capable of manipulating the polarization of light with an unprecedented degree of control. “This research shows that the ability...
Quantum Metasurfaces Manipulate Free Photons
LOS ALAMOS, N.M., Aug. 3, 2021 — A team at Los Alamos National Laboratory proposes that modulated quantum metasurfaces can control all properties of photonic qubits. According to the team, such a breakthrough would affect the fields of quantum information, communications, sensing,...
Nanostructures Allow High Harmonic Generation with Pulsed Lasers
ITHACA, N.Y., July 27, 2021 — Cornell University researchers have developed nanostructures that enable record-breaking conversion of laser pulses into high-harmonic generation. The work paves the way for new scientific tools for high-resolution imaging as well as the study of...
Novel Metasurface Enables Unprecedented Laser Control
CAMBRIDGE, Mass., July 1, 2021 — Harvard researchers have introduced a single metasurface that can effectively tune the different properties of laser light, including wavelength, without additional optical components. The metasurface can split light into multiple beams and control...
Thin-Film Design Delivers Night-Vision Prototype Without the Bulk
CANBERRA, Australia, June 21, 2021 — An international team of researchers has developed a technology that allows people to see clearly in the dark. The technology is based on nanoscale crystals and has potential applications in defense and safety applications, such as night driving....
NASA Partners with Harvard on Metasurface Polarimetry
CAMBRIDGE, Mass., June 11, 2021 — NASA earth scientist Kerry Meyer and researchers at Harvard University are developing metasurface technology capable of analyzing light along four polarization directions. With one flat optical component, intensity, linear polarization (horizontal...
Flexible, Wearable Sensor Detects Gas Leaks Instantly
POHANG, South Korea, April 20, 2021 — A wearable hologram sensor is able to instantly notify its user of the presence of volatile gases. The wearable device overcomes issues of high expense associated with current gas sensing technology, addressing the needs of workers in hazardous...
Metalens Uses Heat Rather Than Motion to Shift Focus
CAMBRIDGE, Mass., March 3, 2021 — A new metalens design developed by researchers at MIT, which is able to change its focus without tilting or moving forward or backward, may find use in miniature heat scopes for drones, ultracompact thermal cameras for cellphones, and low-profile...
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April 2024
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