Lasers & Sources

The laserfocusworld.com Lasers & Sources channel features articles and other content that discuss the design and applications of all types of lasers, amplifiers, and other advanced sources like LEDs.

Highlights

(Image credit: EPFL/Gözden Torun)
Lasers & Sources

What happens if you etch tellurite glass with a femtosecond laser?

Feb. 22, 2024
Serendipity in the form of an active photoconductive material—a semiconductor phase embedded within glass—that generates a current reliably for months when exposed ultraviolet...
(Image credit: Xiuai Wu and Junsong Peng/East China Normal University)
Lasers & Sources

Breathing soliton laser reveals synchronization dynamics

Feb. 6, 2024
A breathing soliton laser helps researchers discover modulated subharmonics, a new state of nonlinear systems, which contains both synchronized and desynchronized signals.
(Photo credit: ICFO)
Lasers & Sources

Nontoxic colloidal quantum dots enable SWIR photodetectors, image sensors

Jan. 10, 2024
Researchers in Spain create nontoxic colloidal quantum dots that preserve the advantageous properties of their heavy-metal counterparts—and use them in high-performance SWIR photodetect...
(Photo credit: University of Kansas)
Lasers & Sources

Ultrafast lasers track ‘ballistic’ motion of electrons within graphene

Jan. 8, 2024
Compared to electrical detection, an all-optical ultrafast laser technique provides the resolution needed to explore electron transport within ballistic and coherent regimes.
(Image credit: Hegelich Lab)
Lasers & Sources

Advanced wakefield laser accelerator hits energy milestone

Dec. 14, 2023
A team of researchers immediately knew something was different about their wakefield laser accelerator when they started shooting at the Texas Petawatt Laser: adding aluminum ...
Lasers & Sources

LED illumination system has use in fluorescence imaging applications

Feb. 6, 2024
The updated X-Cite XYLIS II broad-spectrum LED illumination system is designed to replace arc lamps in fluorescence imaging applications.
Lasers & Sources

Light engine includes an onboard FPGA

Feb. 1, 2024
The PANDIA light engine provides dynamic exposure with multiple wavelengths.
(Image credit: Sphere Ultrafast Photonics)
Executive Forum

A winding road to ultrafast success

Jan. 30, 2024
Rosa Romero, CEO and co-founder of Sphere Ultrafast Photonics, talks about her professional journey and the future of the photonics business.
Lasers & Sources

Fiber-coupled LED has applications in spectroscopy

Jan. 14, 2024
The NewDEL Model X3312 fiber-coupled LED source employs a phosphor-coated UV-LED.