June 2022 Issue
Feature Articles
Coatings for Petawatt-Class High-Energy Lasers
Laser-damage-resistant coatings for meter-class optical elements—key to operation of large-scale, high-energy lasers and to research efforts toward sustainable laser-driven fusion—are a fascinating, dynamic branch of optical technology.
by John BellumThe Lingering Legacy of Kodachrome
The first color reversal film—invented by two accomplished musicians—brought stunning, velvety colors to family snapshots, famous portraits and world-shaking events alike.
by Patricia DaukantasDepartments and Columns
Frederic Ives: Lifelong Inventor
Frederic Ives, namesake of Optica’s highest award, is best known for the Ives halftone process. However, he was also a pioneer in color photography, 3D film and patented at least 70 inventions.
The Innovation School Turns Five
The Optica Foundation’s summer boot camp for innovators and entrepreneurs returns this month as a live event at Optica Global Headquarters.
Building a “Google Earth” for the Human Brain
A research team led by Optica Fellow Elizabeth Hillman hopes to create an imaging pipeline that can map every cell in the brain—at unprecedented speeds.
Also in this Issue
Notes on Optica Leadership 2022
Looking back on a successful Optica Leadership Conference.
30, 20, and 10 Years Ago in OPN
LOS test facility; photonic crystals; recycling

![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)