A single, ultrafast laser pulse has flipped the polarity of a ferromagnet without first heating it to the brink of losing its ...

Scientists have demonstrated that light alone can reversibly control magnetism in a topological material. Researchers at the University of Basel and ETH Zurich have found a way to flip the magnetic ...

Some of the X-ray radiation circulating in the cavity is allowed to escape downstream, providing a beam of monochromatic and coherent X-ray pulses. They have called their system X-ray Free-Electron ...

Researchers at the University of Basel and the ETH in Zurich have succeeded in changing the polarity of a special ferromagnet using a laser beam. In the future, this method could be used to create ...

A team of engineers and scientists has shown for the first time that a hard-X-ray cavity can provide net X-ray gain, with ...

Femtosecond laser pulses, with durations on the order of 10⁻¹⁵ seconds, have transformed the landscape of ultrafast optics by enabling the exploration of rapid light–matter interactions. The dynamics ...

Ultrafast laser pulse characterization is a critical cornerstone in the field of photonics, enabling the precise measurement and reconstruction of optical pulses with durations in the femtosecond ...

A new metasurface lets scientists flip between ultra-stable light vortices, paving the way for tougher, smarter wireless communication.

"Within femtoseconds, the laser pulse excites the electrons in the material. Several picoseconds later, the excited electrons transfer their energy to the atomic nuclei." Consequently, this energy ...

The nickel-titanium alloy Nitinol has revolutionized certain segments of the medical device industry. Its unique characteristics have been employed to create a new generation of devices such as ...

Representatives from the Purdue Applied Research Institute’s LASER PULSE program traveled to Vietnam this summer to meet with three research teams working on air or water pollution projects. Led by ...

Shanghai scientists develop ultranarrow bandwidth mode-locked laser with a widely-tunable pulse duration. Shanghai’s ultranarrow bandwidth mode-locked laser. Click for info. Ultranarrow bandwidth mode ...