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interferometry News
Tokamak Energy Commits to Testing Laser Tech for Fusion Power Plants
OXFORD, England, March 14, 2024 — Fusion energy technology developer Tokamak Energy is working on laser measurement technology crucial to controlling the extreme conditions inside future fusion power plants. The company is testing a laser-based dispersion interferometer system is at its Oxford, England headquarters and expects install the system on its ST40 fusion machine later this year.
AEgIS Cools Positronium with Lasers, Enabling New Antimatter Studies
MEYRIN, Switzerland, Feb. 26, 2024 — Researchers at CERN’s Antimatter Factory working on the Antihydrogen Experiment: Gravity, Interferometry, Spectroscopy (AEgIS) have cooled positronium with laser light for the first time. According to the researchers, the achievement could...
NASA to Support ESA's Efforts on Gravitation Wave Observatory
PARIS, Feb. 6, 2024 — NASA will collaborate with the European Space Agency (ESA) on a space-based observatory designed to detect gravitational waves. The ESA formally adopted the Laser Interferometer Space Antenna (LISA) to its mission lineup, with launch slated for...
Quantum-Inspired Method Reveals Details Hidden in Noise
WARSAW, Jan. 2, 2024 — Researchers at the University of Warsaw's Faculty of Physics with colleagues from Stanford University and Oklahoma State University have introduced a quantum-inspired phase-imaging method based on light intensity correlation measurements that is...
James Wyant, University of Arizona College of Optical Sciences Namesake, Dies at 80
TUCSON, Ariz., Dec. 8, 2023 — James Wyant, the founding dean and namesake of the University of Arizona James C. Wyant College of Optical Sciences, died Dec. 8, the University of Arizona announced. Wyant was 80 years old. Wyant’s research focused on applying interferometry...
New Technology Quantifies Optics’ Elusive Mid-Spatial Frequencies
Dec 5, 2023 — New polishing technologies caused a significant shift in optical manufacturing during the start of the 21st century. Computer numerical control (CNC) and deterministic optical polishing/figuring techniques have taken center stage to transform how...
Label-Free Imaging Shows Dynamics of Intracellular Cargo Transport
DAEJEON, South Korea, Nov. 22, 2023 — Until now, scientists have relied on fluorescence microscopy techniques to study intracellular cargo transport, a vital process to maintaining essential cellular functions. However, the effects of photobleaching and the visual isolation of cellular...
Electro-Optic Modulators Improve Signal Quality and Cancel Noise
ORLANDO, Fla., Oct. 12, 2023 — Delays in optical data transmission cause inconvenient lag times in communications and interfere with immersive experiences like gaming. Two factors that adversely affect the speed and reliability of optical communication are signal distortion over...
Microscopy Method Detects Treatment-Resistant Cancer
BALTIMORE, Oct. 9, 2023 — Therapy-induced senescent (TIS) cells are cancer cells that become resistant to therapies and enter a dormant stage. These cells can emerge from dormancy and induce tumor resistance and relapse. To provide insight into how TIS cells evolve, it is...
Berthold Leibinger Awards Honor Laser Research at the Limits
DITZINGEN, Germany — In 2000, Berthold Leibinger, the man who brought laser technology into Germany’s TRUMPF Group, established the Innovation Award — expressed in native German as the “Innovationspreis” — to honor outstanding R&D in...
LITE Spectroscopy Resists Light Sources with Phase Demodulation
HARBIN, China, Sept. 12, 2023 — A team at Harbin Institute of Technology led by professor Yufei Ma introduced an approach to phase demodulation of heterodyne light-induced thermoelastic spectroscopy (H-LITES) that uses a Fabry-Pérot interferometer (FPI). Compared with...
Mathematical Approach Deciphers Orbital Angular Momentum Information
GUANGZHOU, China, Aug. 14, 2023 — Researchers from Sun Yat-sen University and École Polytechnique Fédérale de Lausanne (EPFL) have made progress in the use of interferometry to decipher orbital angular momentum (OAM) spectrum information. Lightwaves with OAM...
Scientists Develop Nano-sized N-Slit Quantum Interferometers
ROCHESTER, N.Y., May 29, 2023 — Researchers led by physicist F.J. “Frank” Duarte — credited with the 1993 invention of the N-slit laser interferometer — have designed practical N-slit quantum interferometers in the nanometer domain. The work, which the...
National Photonics Initiative Advocates Push for National Quantum Initiative Reauthorization: Week in Brief: 04/21/23
WASHINGTON, D.C., April 21, 2023 — National Photonics Initiative (NPI) advocates met with lawmakers this week to discuss reauthorization of the National Quantum Initiative (NQI), which was originally signed into law in 2018. Representatives from Caltech, the Duke Quantum Center,...
Experiment Validates Stimulated Emission for Single Photons
SYDNEY, March 23, 2023 — Scientists at the University of Sydney and the University of Basel have demonstrated the ability to manipulate and identify small numbers of interacting photons with high correlation. The achievement, the researchers said, represents an important...
Interferometric Method Measures Interactions at Zeptosecond Speed
NATHAN, Australia, Dec. 16, 2022 — According to researchers at the Australian Attosecond Science Facility and the Centre for Quantum Dynamics of Griffith University, building an interferometer in the extreme ultraviolet (EUV) region is challenging for two reasons. First, it is itself...
Modeling Microsphere Effects on Interferometric Resolution
KASSEL, Germany, Nov. 10, 2022 — Though microspheres — microscale spherical particles that can be manufactured from natural and synthetic materials — are known to improve lateral resolution and enhance magnification in microscopic imaging, a generally accepted...
Hybrid Interferometer Achieves Record-breaking Strain Resolutions
HUNTSVILLE, Ala., Aug. 9, 2022 — Researchers at the University of Alabama in Huntsville (UAH) have invented an ultrahigh-resolution interferometer that is sensitive enough to detect weak acoustic signals that are too faint to be picked up by other sensor types. The interferometer...
CMOS-Compatible Photodetector Spurs Possibilities in e-SWIR Band
MONTREAL, May 27, 2022 — High-bandwidth germanium-tin (GeSn) photodetectors, developed by a team at Polytechnique Montréal to support CMOS-compatible technologies in the extended shortwave infrared (e-SWIR) wavelength, could open the way for applications in ultrafast...
Integrated Photonics-Based Memristor Could Link AI, Quantum Computing
VIENNA, March 31, 2022 — By developing a photonic quantum memristor, researchers at the University of Vienna, the National Research Council (CNR), and the Polytechnic University of Milan may have found a way to link artificial intelligence (AI) and quantum computing. The...
Photonic Correlator Processes Radio-Frequency Signals, Outperforms Digital Methods
WASHINGTON, D.C., March 31, 2022 — A team at the University of Grenoble Alpes-CNRS has created a radio-frequency (RF) correlator, based on a photonic platform, that is suitable for analog wideband RF signal processing and that enables the real-time calculation of RF signal...
Spectroscopy Method Measures Both Terahertz, Raman Fingerprint Regions
TOKYO, March 17, 2022 — A Raman spectroscopy technique called dual-detection impulsive vibrational spectroscopy (DIVS) by its developers at the University of Tokyo allows two types of vibrational signals to be measured concurrently. DIVS enables broadband detection over...
Researchers Report Field Success with Quantum Gravity Gradiometer
BIRMINGHAM, England, March 7, 2022 — Researchers from the UK National Quantum Technology Hub in Sensors and Timing at the University of Birmingham used quantum technology to detect an object hidden below the ground. They said this is the first time a quantum gravity gradiometer has...
Laser Interferometer Measures Performance, Efficiency of 5G Devices
GAITHERSBURG, Md., Feb. 23, 2022 — An instrument that images acoustic waves over a range of frequencies and produces so-called movies of the waves will enable improved understanding of the acoustic vibrations. The ability to dynamically measure vibrations in mechanical resonators at...
Interferometry reveals 'social behavior' of Photons
ENSCHEDE, Netherlands, Oct. 28, 2021 — The photon is one of the particle types, called bosons, that is able to form a Bose-Einstein condensate. The ability of photons to condense in the state known as a Bose-Einstein condensate is how liquid light is derived. To understand the physical...
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March 2024
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