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High-speed X-ray free-electron lasers have unlocked the crystal structures of small molecules relevant to chemistry and materials science, proving a new method that could advance semiconductor and solar cell development. Compounds that form tiny crystals hold secrets that might accelerate renewable ...

Federal funding will enable University of Rochester scientists, in collaboration with their European partners, to explore the feasibility of developing coherent light sources beyond X-rays. Since the invention of the laser in the 1960s, scientists have been striving to enhance its peak power and dev...

Researchers used powerful XFELs to trigger strong inner-shell lasing, producing attosecond hard X-ray pulses. Filamentation and Rabi cycling helped explain these effects. Lasers, once confined to the realm of science fiction, are now widely used in research, medicine, and even everyday entertainment...

To better understand and mitigate the health risks faced by astronauts from exposure to space radiation, we ideally need to be able to test the effects of Galactic Cosmic Rays (GCRs) here on Earth under laboratory conditions. An article publishing on May 19, 2020, in the open access journal PLOS Bio...

Laser beams with power up to 10 petawatts will create plasmas with energy levels to be studied with quantum electrodynamics, with implications for medical imaging and security detection The subject of the 2018 Nobel Prize in physics, chirped pulse amplification is a technique that increases the stre...

Multiprong platform at the Berkeley Lab Laser Accelerator Center will produce X-ray images and chemical details. Laser and biology experts at Lawrence Berkeley National Laboratory (Berkeley Lab) are working together to develop a platform and experiments to study the structure and components of virus...

Scientists create smallest semiconductor laser that works in visible range at room temperature. An international team of researchers led by researchers from ITMO University announced the development of the world’s most compact semiconductor laser that works in the visible range at room tempera...

Researchers at Lehigh’s Center for Photonics and Nanoelectronics use new phase-locking technique to achieve record-high output power for terahertz lasers, report the highest radiative efficiency for any single-wavelength semiconductor quantum cascade laser. Terahertz lasers could soon have the...

New soliton laser pulses deliver high energy in a trillionth of a second. By revisiting a simple type of laser, scientists have discovered a way to exponentially increase the amount of energy released in incredibly short periods of time, with potential applications in surgery. Scientists have develo...

Ultracold atoms trapped in appropriately prepared optical traps can arrange themselves in surprisingly complex, hitherto unobserved structures, according to scientists from the Institute of Nuclear Physics of the Polish Academy of Sciences in Cracow. In line with their most recent predictions, matte...

Astronomers have reported the first detection of X-rays from the earliest phase of evolution of a star like our Sun. This discovery from NASA’s Chandra X-ray Observatory may help answer questions about the Sun and Solar System as they are today. The X-ray flare came from the young “proto...

To the general public, lasers heat objects. And generally, that would be correct. But lasers also show promise to do quite the opposite — to cool materials. Lasers that can cool materials could revolutionize fields ranging from bio-imaging to quantum communication. In 2015, University of Washington ...

An international team of researchers has demonstrated an innovative technique for increasing the intensity of lasers. In a paper that made the cover of the journal Applied Physics Letters, an international team of researchers has demonstrated an innovative technique for increasing the intensity of l...

New ground-breaking research from the University of Surrey could change the way scientists understand and describe lasers – establishing a new relationship between classical and quantum physics. In a comprehensive study published by the journal Progress in Quantum Electronics, a researcher fro...

Rare event occurred 10 billion lightyears away, 3.8 billion years after the Big Bang SGRB181123B is the most distant short gamma ray burst with its afterglow measured Incredibly fast and faint, these events are notoriously difficult to catch Event offers a rare opportunity to study these systems in ...

Portable System Boosts Laser Precision, at Room Temperature Physicists at MIT have designed a quantum “light squeezer” that reduces quantum noise in an incoming laser beam by 15 percent. It is the first system of its kind to work at room temperature, making it amenable to a compact, portable setup t...

The researchers used powerful laser flashes to irradiate thin, films of crystalline materials. These laser pulses drove crystal electrons into a fast wiggling motion. As the electrons bounced off with the surrounding electrons, they emitted radiation in the extreme ultraviolet part of the spectrum. ...

The most sophisticated laser communication network ever designed has gained its second satellite. The European Data Relay System (EDRS) was built to accelerate the flow of information from Earth-observation satellites to people on the ground. The second satellite in the network, EDRS-C, has now pass...

Institute of Optics research sets record for shortest laser pulse for newly developed technology, work that has important applications in engineering and biomedicine. University of Rochester researchers are setting a new standard when it comes to producing ultrafast laser pulses over a broader range...

Ultrashort laser pulses induce unusual sound waves via a structural instability in a material. RIKEN physicists have initiated unusual sound waves in a flake using ultrashort pulses of laser light and then created videos of their movement using electron microscopy. This advance should help engineers...

The speed of a message traveling in these packets is no longer affected by traveling through different materials of different densities. University of Central Florida researchers have developed a new type of laser beam that doesn’t follow long-held principles about how light refracts and travels. Th...

New design overcomes long-standing LED efficiency problem — and can transform into a laser to boot. A new design for light-emitting diodes (LEDs) developed by a team including scientists at the National Institute of Standards and Technology (NIST) may hold the key to overcoming a long-standing limit...

Cosmic gas cloud blinks in sync with circling black hole. Scientists have detected a mysterious gamma-ray heartbeat coming from a cosmic gas cloud. The inconspicuous cloud in the constellation Aquila is beating with the rhythm of a neighboring precessing black hole, indicating a connection between t...

Milestone towards first practical applications of this innovative accelerator technology. A team of researchers at DESY has reached an important milestone on the road to the particle accelerator of the future. For the first time, a so-called laser plasma accelerator has run for more than a day while...

Humanity has “eyes” that can detect all different types of light through telescopes around the globe and a fleet of observatories in space. From radio waves to gamma rays, this “multiwavelength” approach to astronomy is crucial to getting a complete understanding of objects i...

Researchers from the Moscow Institute of Physics and Technology and King’s College London cleared the obstacle that had prevented the creation of electrically driven nanolasers for integrated circuits. The approach, reported in a recent paper in Nanophotonics, enables coherent light source design on...

Super Heavyweight and Flyweight in a Cosmic Dance Volunteer distributed computing project Einstein@Home discovers neutron star in unusual binary system. After more than two decades, an international research team led by the Max Planck Institute for Gravitational Physics (Albert Einstein Institute; A...