July/August 2024 Issue
Feature Articles
Monitoring Methane to Curb Climate Change
Satellites, aircraft and ground-based systems equipped with optics and photonics technologies pinpoint major sources of methane to help implement solutions that reduce emissions.
by Meeri KimSocially Acceptable AR Glasses: Are We There Yet?
An Optica incubator meeting explored the role of optical waveguides in developing compact, comfortable and natural eyewear for augmented reality.
by Kai-Han Chang, Ali Özgür Yöntem and Kaan AkşitDepartments and Columns
Biosensing and Bioimaging with Nanophotonics
At the Optica Sensing Congress, Hatice Altug will discuss the latest developments in nanophotonics for applications in the life sciences and biomedicine.
Integrated Photonics: The Cost of Commercialization
Photonic integrated circuits are promising for many applications, but high front- and back-end costs present challenges to wide adoption.
Also in this Issue
30, 20 and 10 Years Ago in OPN
Fiber lasers for materials processing; ultrashort pulses for biology; the 2-μm fiber laser market.
Optica Election for 2025 Offices
Review the candidates for Optica's 2025 Vice President and Directors-at-Large election.

![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)