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Condensed Matter Jun 3, 2025

A semi-automated manufacturing process for cost-efficient quantum cascade laser modules

Resonantly tunable quantum cascade lasers (QCLs) are high-performance laser light sources for a wide range of spectroscopy applications in the mid-infrared (MIR) range. Their high brilliance enables minimal measurement times ...

Optics & Photonics Jun 2, 2025

New laser smaller than a penny can measure objects at ultrafast rates

Researchers from the University of Rochester and University of California, Santa Barbara, engineered a laser device smaller than a penny that they say could power everything from the LiDAR systems used in self-driving vehicles ...

Optics & Photonics Jun 2, 2025

Tabletop particle blaster: How tiny nozzles and lasers could replace giant accelerators

Proton beams with giga-electron-volt (GeV) energies—once thought to be achievable only with massive particle accelerators—may soon be generated in compact setups thanks to a breakthrough by researchers at The University of ...

General Physics May 29, 2025

A new method to generate muons with ultra-short high-intensity lasers

Muons are elementary particles that resemble electrons, but they are heavier and decay very rapidly (i.e., in just a few microseconds). Studying muons can help to test and refine the standard of particle physics, while also ...

Optics & Photonics May 27, 2025

New technique turns 'noisy' lasers into quantum light

Scientists have discovered a way to convert fluctuating lasers into remarkably stable beams that defy classical physics, opening new doors for photonic technologies that rely on both high power and high precision.

Optics & Photonics May 27, 2025

New high-resolution laser device reads millimeter-scale text from a mile away

You are the protagonist in a thriller. One morning, an unknown caller with a distorted voice says, "To save your city, solve the puzzle. Go to the coordinates. X marks the clue." You rush to the spot and see an X on a distant ...

Optics & Photonics May 21, 2025

Is gravity quantum? Laser cooling brings torsional oscillators closer to answering this question

One of the most profound open questions in modern physics is: "Is gravity quantum?" The other fundamental forces—electromagnetic, weak, and strong—have all been successfully described, but no complete and consistent quantum ...

Bio & Medicine May 20, 2025

Novel imaging technology eliminates need for costly ultrafast lasers

A research team affiliated with UNIST has announced the development of an innovative nonlinear imaging technique capable of visualizing internal biological tissues in 3D using ordinary light sources, such as laser pointers, ...

Optics & Photonics May 20, 2025

The US has a new most-powerful laser

The ZEUS laser facility at the University of Michigan has roughly doubled the peak power of any other laser in the U.S. with its first official experiment at 2 petawatts (2 quadrillion watts).

General Physics May 19, 2025

Small-scale laser systems enable high energy proton accelerator on a table-top

Laser ion acceleration uses intense laser flashes to heat electrons of a solid to enormous temperatures and propel these charged particles to extreme speeds. These have recently gained traction for applications in selectively ...

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