December 2020 Issue
Feature Articles
This special issue of Optics & Photonics News highlights exciting peer-reviewed optics research that has emerged over the past year.
Congratulations to the winners of OPN’s 15th annual After Image photo contest!
Departments and Columns
Perovskites and MOFs / Relativity test / QDs for IR / Croptics / UV-C LED surge / Toward antiracist labs / Biometrics / Lighthouse microlens
Each December, OPN looks at interesting research results of the past year. But what about the year ahead? We asked several contributors to our “Optics in 2020” feature for thoughts on areas that might advance in 2021.
In an interview with OPN, OSA’s 2020 President talked about the unique challenges of leading OSA at a time of worldwide crisis.
Understanding Ph.D. Applications
Whether you’re an undergraduate, an adviser or on an admissions committee, start thinking about Ph.D. applications as a job search.
One professor has found an educational way to combat physics’ inclusivity problem.
Also in this Issue
30, 20, and 10 Years Ago in OPN
Femtosecond technology; diffraction imaging; light patterns.
![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)
