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Cornell Engineers Build Innovative Deep-Ultraviolet Laser with Semiconductor Materials

A team of Cornell University engineers has built a deep-ultraviolet laser made up of semiconductor materials that demonstrate immense promise for enhancing the use of ultraviolet (UV) light for sanitizing water, sensing unsafe gases, and sterilizing medical tools, facilitating precision photolithography, and so on.

5 Apr 2022

New Approach for Generating THz Bessel Beams from Superluminal Laser Plasma Filaments

Terahertz (THz) radiation from laser plasmas features with ultrabroad bandwidth, which is attractive for many applications. Significant efforts have been made to enhance its conversion efficiency, tune its frequency spectrum, and even manipulate its polarization.

28 Mar 2022

Scientists Report a New Class of Chirp-Free Pulse in Normal-Dispersion Fiber Lasers

Over the past decades, researchers have demonstrated conventional solitons, stretched pulses, self-similar pulses, and dissipative solitons by managing the dispersion and nonlinearity of fiber lasers.

25 Mar 2022

Study Evaluates the Importance of Laser-Modified Fluorescence for Various Applications

The extensive lineage of laser-based operations has made a significant contribution to the production, modification, and patterning of numerous nanomaterial systems over the years.

24 Mar 2022

Using a Laser System to Generate Attosecond Pulses at 100 kHz Repetition Rate

Attosecond laser pulses in the extreme ultraviolet (XUV) are a unique tool enabling the observation and control of electron dynamics in atoms, molecules, and solids.

23 Mar 2022

Researchers Achieve the Highest Attosecond-Pulse-Train Energy Source

Attosecond pulses are essential tools for time-resolved studies of electron dynamics on their natural time scale: attoseconds (10-18 seconds). Coincidence spectroscopy and experiments with high expectations on statistics or signal-to-noise ratio, particularly in the case of solid and molecular samples in chemistry and biology, are examples of these studies, which are all gaining popularity.

17 Mar 2022

Researchers Use Laser Flashes in Cancer Research

Rapid proton irradiation is a more efficient and minimally invasive treatment for cancer than X-rays. Modern proton treatment, on the other hand, necessitates huge particle accelerators, prompting researchers to look into alternate accelerator technologies such as laser systems to boost protons. In preclinical investigations, such systems are used to pave the path for the most effective radiation therapy.

15 Mar 2022

Study Findings Likely to Lead to the Development of Sustainable Optical Switches

When mid-infrared laser pulses collide with certain complex materials, their fundamental properties can shift dramatically.

10 Mar 2022

Scientists Use an Array of 196 Lasers to Recreate the Conditions Inside Galaxy Clusters

Galaxies rarely live alone. Instead, dozens to thousands are drawn together by gravity, forming vast clusters that are the largest objects in the universe.

10 Mar 2022

Tiny Switches Dramatically Increase the Resolution of Chip-Based LIDAR

When Google unveiled its first autonomous cars in 2010, the spinning cylinder mounted on the roofs really stood out. It was the vehicle's light detection and ranging (LiDAR) system, which worked like light-based radar. Together with cameras and radar, LiDAR mapped the environment to help these cars avoid obstacles and drive safely.

10 Mar 2022