March 2019 Issue
Feature Articles
The Remarkable Fiber Optic Vision Of Charles Kao
Five decades ago, the late Charles Kao asked how clear a glass material could be made. The answer made fiber optics the future of telecommunications.
by Jeff HechtDepartments and Columns
Argentina’s Economic Crisis Threatens Science
Researchers urge the government to prioritize science and technology—or risk the total collapse of the country’s science infrastructure.
OFC 2019: 5G, Mobility and Integration
This month, attendees from all over the globe will flock to San Diego, Calif., USA, to the Optical Fiber Communication Conference and Exhibition (OFC). Optics & Photonics News spoke with the conference’s three plenary speakers to discuss recent innovations in optical communications, and to get their take on the future of the field.
Also in this Issue
Ursula Gibson Attends Photonics India / OSA at Australian Joint Physics-Optics Meeting / OSA Fellow Stories: Marija Strojnik / Sujatha Ramanujan Appointed Director-at-Large / Thank You, Editors and Volunteers
Remembering Boris Zeldovich: 1944-2018
Four colleagues look back on the career and contributions of the renowned Russian–American physicist, who passed away in December 2018.
Thank You, OSA Foundation Donors
The OSA Foundation (OSAF) serves as the philanthropic arm of The Optical Society (OSA). Its mission is to inspire and support promising individuals in their pursuit of careers in optics and photonics.

![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)