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Biotechnology Feb 3, 2025

Illuminating the elements under our feet: Laser tool offers insights into plant growth and soil health

A vast field of tall, skinny trees sways in a light breeze. In the future, poplar trees in a scene like this could be a source of sustainable fuel to power aircraft or heavy vehicles. They could also help us store more carbon ...

Optics & Photonics Jan 31, 2025

Coupled semiconductor lasers generate novel optical patterns, enabling new spectroscopy techniques

The physical interaction between two or more systems, also known as coupling, can give rise to unique and unexpected effects. In the field of optics, coupled light sources (e.g., lasers) can influence each other, producing ...

Condensed Matter Jan 27, 2025

Nonlinear optical crystal for ultraviolet lasers remains remarkably stable under extreme pressure

Researchers from Oakland University have made a significant breakthrough in the field of optical materials, unveiling the exceptional capabilities of Ba₃(ZnB₅O₁₀)PO₄ (BZBP). Although this transparent crystal closely resembles ...

Nanophysics Jan 24, 2025

Deep-ultraviolet laser microscope reveals diamond's nanoscale transport behaviors

Ultrawide-bandgap semiconductors—such as diamond—are promising for next-generation electronics due to a larger energy gap between the valence and conduction bands, allowing them to handle higher voltages, operate at higher ...

General Physics Jan 24, 2025

New technique to detect dark matter uses atomic clocks and lasers

A team of international researchers has developed an innovative approach to uncover the secrets of dark matter. In a collaboration between the University of Queensland, Australia, and Germany's metrology institute (Physikalisch-Technische ...

Optics & Photonics Jan 16, 2025

Quantum engineers 'squeeze' laser frequency combs to make more sensitive gas sensors

For the first time ever, scientists have used a technique called "quantum squeezing" to improve the gas sensing performance of devices known as optical frequency comb lasers. These ultra-precise sensors are like fingerprint ...

Plasma Physics Jan 15, 2025

Researchers create world's brightest X-ray source with high-power laser beam and novel metal foams

By combining the National Ignition Facility (NIF) laser and ultra-light metal foams, researchers at Lawrence Livermore National Laboratory (LLNL) have produced the brightest X-ray source to date—about twice as bright as previous ...

Archaeology Jan 13, 2025

Lasers help archaeologists study ancient tattoos on Peruvian mummies

For more than 5,000 years, humans have adorned themselves with tattoos.

Nanophysics Jan 6, 2025

Laser technique uncovers how titanium's electron behavior influences its physical properties

A research team at Yokohama National University has developed a way to study how the orientation and behavior of electrons in titanium influence its physical characteristics. Their findings, published in Communications Physics ...

Optics & Photonics Dec 23, 2024

Printable laser-emitting droplets offer new display technology

Researchers at the University of Tsukuba have developed an innovative method for rapidly creating laser light sources in large quantities using an inkjet printer that ejects laser-emitting droplets.

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