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LIGO News
NASA to Support the ESA's Efforts on Gravitational 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 2035. Construction of the instruments and spacecraft will begin in 2025 once a European industrial contractor has been selected, the ESA said.
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,...
Optica Awards Theodor W. Hänsch Prize: People in the News: 04/19/23
WASHINGTON, D.C., April 19, 2023 — The Optica Foundation awarded the inaugural Theodor W. Hänsch Prize in Quantum Optics to Victoria Xu, a postdoctoral scholar at the MIT Kavli Institute for Astrophysics and Space Research LIGO Laboratory. The prize recognizes Xu’s...
Photon Connection Helps Researchers Entangle Large, Distant Objects
KØBENHAVN, Denmark, Oct. 12, 2020 — Researchers at the Niels Bohr Institute at the University of Copenhagen have entangled two very different quantum objects — a mechanical oscillator/vibrating dielectric membrane, and a cloud of atoms with each atom acting as a tiny magnet. The...
Squeezing Improves LIGO’s Sensitivity to Quantum Noise
CAMBRIDGE, Mass., Dec. 10, 2019 — A new instrument called a quantum vacuum squeezer is helping LIGO — the Laser Interferometer Gravitational-Wave Observatory — to detect gravitational wave signals nearly every week. Just a year ago, LIGO was picking up gravitational...
Custom Optical Coatings for Cinema, Avionics, and LIGO
Apr 12, 2019 — Commercial off-the-shelf (COTS) optical components such as filters, beamsplitters, prisms, and mirrors are used in numerous applications, including machine vision, microscopy, and optical test and measurement. These components are often coated with...
Upgrades Hoped to Bring Better Results on LIGO’s Third Run
STANFORD, Calif., April 10, 2019 — LIGO, the world's largest gravitational-wave observatory, once considered a “total waste of money,” has nearly doubled its capability to detect gravitational waves and is now more sensitive than ever to the tiny ripples in spacetime generated when...
Measuring Quantum Back Action Could Improve Sensitivity of Gravitational-Wave Detectors
BATON ROUGE, La., March 26, 2019 — Researchers at Louisiana State University (LSU) have defined a broadband, off-resonance measurement of quantum radiation pressure noise (QRPN) in the audio band, at frequencies relevant to gravitational-wave detectors. The noise spectrum obtained by...
Funding Aims to Improve Global Gravitational Wave Network
SWINDON, England, Feb. 25, 2019 — U.S. and U.K. science funding agencies have earmarked $30 million in additional funding aimed at significantly increasing the sensitivity of gravitational wave observatories around the globe. Improvements to the global gravitational wave network,...
LIGO and Virgo Announce Four New Gravitational-Wave Detections
CAMBRIDGE, Mass., Dec. 12, 2018 — The National Science Foundation’s LIGO (Laser Interferometer Gravitational-Wave Observatory) and the European-based Virgo gravitational-wave detector have detected four new black hole merger events. The findings were presented at the Gravitational...
Characterization of Optics for LiGO
Oct 4, 2018 — Photonics Media contacted GariLynn Billingsley, senior optical engineer and Advanced LIGO COC group lead at Caltech, and she generously provided access to images documenting the preparation of “test masses” (mirrors) prior to their...
LIGO Continues Making Waves
Oct 1, 2018 — It’s an incredible story: Building the Laser Interferometer Gravitational-Wave Observatory (LIGO) took a collaboration of over 1000 people, some $500 million in funding from the National Science Foundation over three decades, and a lot of...
Extreme Laser Stability Key to aLIGO and VIRGO Successes
Sep 27, 2018 — By any measure, gravitational-wave detection and analysis has proved to be a spectacular success for “big science.” It also represents one of the singular achievements of the photonics community, pushing our industry’s technology...
Scientists Find Way to Overcome Quantum Limit in GWDs
COPENHAGEN, Sept. 7, 2018 — Researchers at the Neils Bohr Institute (NBI) at the University of Copenhagen are developing equipment that will enable gravitational wave detectors (GWDs) to monitor and carry out measurements in an eight times bigger volume of space than what is...
CMS, LIGO Collaborate for MARS Conference Presentation
VIENNA, March 21, 2018 — In collaboration with Garrett Cole, co-founder of Crystalline Mirror Solutions (CMS) GmbH, David Reitze, executive director of the Laser Interferometer Gravitational-Wave Observatory (LIGO) and professor at the California Institute of Technology,...
Neutron-Star Merger Named Breakthrough of the Year
WASHINGTON, D.C., Jan. 19, 2018 — Science Magazine has chosen the first observations of a neutron-star merger, a violent celestial event that transfixed physicists and astronomers, as its 2017 Breakthrough of the Year. As the two neutron stars spiraled together 130 million light...
NASA Set to Use ‘Lobster-Eye’ Optics to Locate Source of Cosmic Waves
GREENBELT, Md., Nov. 1, 2017 — A novel optics system that mimics the structure of a lobster’s eyes could be employed on the International Space Station to enable NASA to precisely locate, characterize and alert other observatories about the source of gravitational waves....
Optical Systems Capture First Light From Colliding Neutron Stars
LIVINGSTON, La., HANFORD, Wash. and CASCINA, Italy, Oct. 17, 2017 — Scientists from the international LIGO and Virgo Scientific Collaborations have announced the detection of the bright spark of two neutron stars colliding. This event has been dubbed GW170817 because it sent ripples through space-time that reached...
LIGO Identifies Second Gravitational Wave Event
LIVINGSTON, La., and HANFORD, Wash., June 15, 2016 — The LIGO Scientific Collaboration has reported identification of a second gravitational wave event in the data from Advanced LIGO detectors. On December 26, 2015 at 03:38:53 UTC, scientists observed gravitational waves — ripples in the fabric...
LIGO Awarded Special Breakthrough Prize in Fundamental Physics
SAN FRANCISCO, May 9, 2016 — The Laser Interferometer Gravitational-Wave Observatory (LIGO) operated by Caltech and the Massachusetts Institute of Technology has been awarded the Special Breakthrough Prize in Fundamental Physics. Designed to open the field of gravitational-wave...
Interferometric Systems Detect Gravitational Waves
LIVINGSTON, La., and HANFORD, Wash., Feb. 12, 2016 — The observation of gravitational waves — described as ripples in the fabric of spacetime — arriving at the earth confirms a major prediction of Albert Einstein’s 1915 general theory of relativity. The gravitational waves were...
PG&O Tapped for Gravitational Wave Project
SANTA ANA, Calif., July 17, 2015 — Precision Glass & Optics has been selected to manufacture four sets of 26 unique, black glass optics panels for the Laser Interferometric Gravitational Wave Observatory (LIGO). LIGO consists of two large interferometers in Hanford, Wash., and...
LHZ Delivers Laser System to LIGO
HANNOVER, Germany, April 9, 2012 — A new laser system that measures gravitational waves directly will be integrated into a gravitational-wave detector in the US at LIGO’s site in Hanford, Wash. The first direct measurements of these minuscule ripples in space-time are expected to...
‘Squeezed Laser’ Boosts Interferometer Accuracy
HANNOVER, Germany, Sept. 14, 2011 — Gravitational waves, though yet to be observed, were first predicted by Einstein in his theory of relativity. Observing these massive astronomical events, which generate tiny fluctuations and cause the fabric of space-time to expand and contract...
Physicists Win MacArthur Grants
ITHACA, N.Y., & CAMBRIDGE, Mass., Sept. 28, 2010 — An optical physicist at Cornell University working to develop silicon-based devices that harness the information-processing capabilities of light and an MIT physicist whose research links the worlds of quantum mechanics and astronomy were named...
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