June 2023 Issue
Feature Articles
An Early Start for Women in Optics
A look at nine pathbreaking women who joined the Optical Society of America in its first decade.
by Jeff HechtDepartments and Columns
Three Decades Bridging Academia and Industry
A joint master of science program in photonics engineering at two Belgian universities has embraced a hybrid structure in teaching key enabling technologies.
Exponential Improvement Through Collaboration
Successful collaborations built on strong foundations can last decades, often bringing significant benefits.
Also in this Issue
30, 20, and 10 Years Ago in OPN
Optics of special effects; 17th-century telescopes; Louis de Broglie
Leadership meeting / Optica Women Scholars / PIC Conference / Optica Fellow stories / Xu wins Theodor W. Hänsch prize / Introducing Optica Quantum / Advocating for quantum science and education / Remembering Jay Eastman / Author workshop in Scotland / Thank you, editors and conference chairs
Illuminating Light Propagation
The objective lens of a digital projector is illuminated with white light from a lamp. The interaction of light propagating through the lenses and separating into different colors is captured by a mobile-phone camera.

![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)