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KAIST News
Micro-LED Assembly Gets Boost from Vacuum-Assisted Transfer Printing
DAEJEON, South Korea, Jan. 2, 2024 — Compared to conventional light sources like OLEDs and LCDs, microLEDs — inorganic LED chips less than 100 μm in size — show superior reliability, stability, and optoelectronic properties. Despite these advantages, their deployment...
Atomically Smooth Gold Crystals Enable Nanophotonic Applications
LONDON, July 19, 2022 — Researchers at KAIST and collaborators have demonstrated a platform to guide compressed lightwaves in extremely thin Van der Waals crystals. The researchers believe that the method, used to guide mid-infrared light with minimal loss, will enable...
VCSEL Addition Helps AI Light-Field Camera Read Facial Expressions
DAEJEON, South Korea, Jan. 24, 2022 — A team at the Korea Advanced Institute of Science and Technology (KAIST) has developed a technique for facial expression detection by merging near-infrared (NIR) light-field camera imaging techniques with AI technology. Unlike a conventional camera,...
Team Develops Scalable Quantum Computing Model
CHARLOTTESVILLE, Va., Aug. 30, 2021 — Researchers at the University of Virginia developed a scalable quantum computing platform, which drastically reduces the number of devices needed to achieve quantum speed, on a photonic chip the size of a penny. Xu Yi, assistant professor of...
ODT Reveals Insights into Promising Substitute for Petroleum-Based Plastics
DAEJEON, South Korea, Aug. 4, 2021 — Using 3D optical diffraction tomography (ODT), scientists at KAIST (formerly the Korea Advanced Institute of Science and Technology) gained insight into how the biodegradable polyester polyhydroxyalkanoate (PHA) accumulates in the cells of living...
Study of Acoustic Graphene Plasmons Heralds Improvements for Optoelectronics
DAEJON, South Korea, March 18, 2021 — Researchers from Korea Advanced Institute of Science and Technology (KAIST), with domestic and international collaborators, demonstrated direct near-field optical imaging of acoustic graphene plasmon (AGP) fields, using a sensitive scattering-type...
AI-Enabled Microscopy Decodes the Immunological Synapse
DAEJON, South Korea, March 1, 2021 — KAIST researchers have applied deep learning technology to 3D holographic microscopy, demonstrating the microscopy method’s potential for the practical study of cell interactions. The method holds implications for the study of cancer...
Method Draws Near-Perfect Efficiency Out of Spin Hall Effect
POHANG, South Korea, Feb. 23, 2021 — POSTECH and KAIST researchers developed a method for achieving near-unity efficiency of the spin Hall effect of light (SHEL). The collaborators used an artificially designed metasurface capable of transmitting most light of one polarization —...
Single Carbon Dot Emits Multiple Wavelengths of Light
DAEJON, South Korea, Dec. 14, 2020 — Researchers from the Korea Advanced Institute of Science and Technology (KAIST) have synthesized a collection of nanoparticles known as carbon dots, capable of emitting multiple wavelengths of light from a single particle. The team discovered that...
Smart Windows Self-Illuminate on Rainy Days
POHANG, South Korea, June 3, 2020 — A joint research team has developed a technology that will allow windows to change colors according to the amount of moisture, without the need for electricity. The researchers developed a variable color filter using a metal-hydrogel-metal resonator...
Research Teams Offer New Insight into Mid-IR, Graphene-Based Metasurfaces
DAEJON, South Korea, March 12, 2020 — A team of researchers has described a method of designing metamolecules that incorporate two independently controllable subwavelength meta-atoms. This two-parametric control of the metamolecule secures the complete control of both amplitude and the...
Photon Sieve Used to Display Holographic Images with Wide Viewing Angle
DAEJEON, South Korea, April 22, 2019 — Researchers at the Korea Advanced Institute of Science and Technology (KAIST) have designed an ultrathin display that can project dynamic, multicolored holographic images with a wide viewing angle. Key to the new approach is its use of an...
Textile-Based Display Module Is Self-Powered, Washable
DAEJEON, South Korea, March 25, 2019 — A Korea Advanced Institute of Science and Technology (KAIST) research team has developed a textile-based wearable display module technology that is washable and does not require an external power source. The team fabricated its wearable display...
Device Built via Laser Lift-Off Could Advance Precision Medicine
DAEJEON, South Korea, Aug. 15, 2018 — Researchers have fabricated a flexible drug delivery microdevice (f-DDM) with controlled release using a laser micromachining technique. The device could provide controlled release for personalized drug therapy to organs with curved surfaces, such...
OLED-on-Fabric Could Be the Next Wearable Wonder
May 22, 2018 — It started with the fitness tracker. And thanks to continued advances in sensors, computing power, and energy harvesting, the age of IoT-based wearable technologies is upon us. For broader adoption, however, tomorrow’s wearable must feature display...
A Breakthrough for Reference-Free Holography
Mar 30, 2017 — The term “holography” means a drawing that contains all the information of light — including its intensity and phase information. In contrast, photography only measures the intensity of light, and thus cannot address...
Smart Lighting for Smart Kids
May 4, 2016 — Most of us prefer to kick back in sunshine and not under a fluorescent bulb, and it turns out there’s a scientific basis for that preference; the intensity of artificial lighting has been shown to have a range of effects not only on our mood,...
Holotomography Enables Real-Time, Label-Free Visualization of Cells
DAEJON, South Korea, April 22, 2016 — A powerful method for imaging live cells without staining employs a 2D/3D/4D holographic microscope, allowing real-time, label-free visualization of biological samples. The research group of professor YongKeun Park of the Korea Advanced Institute of...
Holographic Microscopy, Machine Learning Software to ID Bacteria
DAEJEON, South Korea, June 8, 2015 — Pairing holographic microscopy with machine learning software could help hospitals and the food industry screen for bacterial infection in real time. A quantitative phase imaging unit (QPIU) developed at the Korea Advanced Institute of Science and...
ODT Enhances Optical Tweezer Capabilities, Holographic Bioimaging
DAEJEON, South Korea, May 4, 2015 — A new optical diffraction tomography (ODT) technique can measure the positions of optically trapped particles in three dimensions at high speed. The method provides a more streamlined and precise way to locate and move microscopic particles than...
Sound Camera Ready to Hit the Market
DAEJEON, South Korea, May 14, 2013 — You can hear rattling inside your car, but you can’t tell where it’s coming from or how serious it is. A new sound camera potentially could save you the trip to the mechanic by pinpointing the exact location of the noise with color contours.
Flexible, Implantable LED Detects Cancer
DAEJEON, Republic of Korea, Sept. 21, 2011 — A biocompatible, flexible gallium nitride (GaN) LED that can detect prostate cancer has been developed by professor Keon Jae Lee and his research team at KAIST (formerly the Korea Advanced Institute of Science and Technology). The highly...
OLED Efficiency Improved
DAEJEON, South Korea, July 17, 2009 -- A research team at KAIST (Korea Advanced Institute of Science and Technology) has discovered surface plasmon-enhanced spontaneous emission based on an organic LED (OLED), a finding expected to improve the device's energy consumption, KAIST officials...
“Bow Tie” Enhances EUV
DAEJEON, Korea, June 9, 2008 -- According to KAIST reseachers in Korea, a bow tie-shaped gold nanostructure on a saphire substrate can enhance the intensity of femtosecond laser light pulses by two orders of magnitude. The devise is smaller and cheaper than existing systems...
(24 results found)
May 2024
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