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 ...
Test & Measurement

Spectral circadian stimulus light meter offers traceable calibration

Feb. 14, 2024
The MSC15-CS is a spectral-measuring luxmeter for the 360–830 nm spectral range.
Lasers & Sources

Discrete mode laser diode designed for use in strontium-based atomic clocks

Feb. 13, 2024
The FEBP series 689 nm discrete mode laser diode is a coherent laser source with 2.5 mW optical output power (typical).
Lasers & Sources

High-power diode laser stacks have use in solid-state laser pumping

Feb. 11, 2024
GS09 and GA03 miniaturized high-power diode laser stacks are suited for solid-state laser pumping applications.
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.