Sally Cole Johnson

Senior Technical Editor
Sally Cole Johnson

Sally Cole Johnson has worked as a writer for over 20 years, covering physics, semiconductors, electronics, quantum, the Internet of Things (IoT), optics, photonics, high-performance computing, IT networking and security, neuroscience, and military embedded systems. She served as an associate editor for Laser Focus World in the early 2000s, and rejoined the editorial team as senior technical editor in January 2022.

(Image credit: Stefano Bonetti)
Lasers & Sources

Laser light unleashes quantum behavior at room temperature

May 1, 2024
Researchers discover a large class of materials can be made magnetic via laser light—at room temperature—and it opens a new pathway to designing materials with light.
(Photo credit: Lunghammer/NAWI Graz)
Test & Measurement

Broadband UV dual-comb spectrometer measures pollutants in real time

April 29, 2024
A new type of spectrometer is designed for broad spectral coverage, short acquisition times, and high spectral resolution—and it captures electronic, vibrational, and rotational...
(Image credit: Harvard SEAS)
Optics

Metafluids with programmable optical properties?

April 26, 2024
A metafluid with tunable optical properties, compressibility, viscosity, and the ability to transition between a Newtonian and non-Newtonian fluid? Yes, really.