Optics & Photonics News Magazine
March 2024 Issue
March 2024 Issue
Feature Articles
New Views on Battery Diagnostics
To improve the lithium-ion batteries that power electric vehicles, scientists need techniques that offer insights into their internal dynamics.
by Susan CurtisDepartments and Columns
Conversations
Fiber Technology for the Future
Microsoft’s David Richardson will speak at the upcoming OFC conference about recent progress in emerging transmission fibers.
Also in this Issue
Looking Back
30, 20, and 10 Years Ago in OPN
Femtosecond lasers; quantum key distribution; Li-Fi.

![Manual probe system with needles for test of semiconductor on silicon wafer. [A. Morozov / Getty]](https://opnmedia.blob.core.windows.net/$web/opn/media/images/articles/2025/1125/departments/202511-cover-web.jpg?ext=.jpg)
![Researcher Clara Saraceno in the lab. [Image by Carsten Behler Photography]](https://opnmedia.blob.core.windows.net/$web/opn/media/images/articles/2025/1025/departments/202510-cover-web.jpg?ext=.jpg)