Optics & Photonics News Magazine
April 2025 Issue
April 2025 Issue
Feature Articles
Departments and Columns
Conversations
Real-Time Insights with In Vivo Imaging
Sophie Hernot talks about enhancing fluorescence-guided surgery with nanobodies and fluorescence lifetime imaging.
Market Report
The Biomedical Research Market
Medical R&D is a market in its own right, and subject to cycles in funding.
Education
Teaching Optics with a Raspberry Pi
An educational effort helps students build their own spectroscopy tool and gives them invaluable skills in the process.
Also in this Issue
Looking Back
30, 20, and 10 Years Ago in OPN
Electronic imaging; spectroscopy from space; optical coherence elastography

![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)