Lift-Off for Space Lasers 

Optical technology is set to transform communication from Earth orbit and beyond, although problems on the ground still need ironing out.

by Edwin Cartlidge 

Programmed Diffraction for Intelligent Imaging and Sensing 

Advances in artificial intelligence have opened a powerful approach: compact optical networks of diffractive surfaces that can rapidly achieve specific tasks via direct, energy-efficient processing of light.

by Yuhang Li, Md Sadman Sakib Rahman and Aydogan Ozcan

How the Laser Found Problems to Solve 

While some initially wondered about practical applications for the laser—an invention born out of basic research—within a few decades after its first appearance, it was offering solutions ranging from high-speed printing to crystal-clear music.

by Jeff Hecht 

Newsroom

Research and Industry News

Hyperspectral view of auroras / Lens-free water-contamination sensor / Quantum “network register” / Boost for infrared thermometers / Methane-sensitive satellites / Industry news

Infographic

Global Paths to Fusion

A look at public and private experimental fusion efforts that are planned, under construction or in operation worldwide.

Conversations

Looking to the Future of Fusion Energy

At the Optica Laser Congress and Exhibition, Tammy Ma will talk about developments in laser inertial fusion and the path to commercialization.

Market Report

How Investors Learned to Love Fusion Energy

Fusion energy development requires more than just technology—it needs private funding.

Optics Innovations

Switchable Privacy Displays for Safe Driving

Optical measurements are important to ensure that vehicle passengers can view dedicated displays without distracting the driver.

President's Message

Leadership Changes at Optica

Optica is now executing necessary changes to ensure that it is best positioned for the future.

Looking Back

30, 20 and 10 Years Ago in OPN

Edwin Land; terahertz imaging; high-energy lasers for defense.

Optica in Focus

News from the Society

Chang Pivoting Fellowship / Ten years of Optica / NSBP and NSHP student summit / Congressional Science and Engineering Fellow / CLEO Pacific Rim / Advanced Photonics / Optica Fellow stories / Innovation School / Thank you, editors and meeting volunteers

Optica Foundation

Thank You to Our Donors

We fundamentally believe in the importance of cultivating the next generation of innovators and technologists in optics and photonics.

After Image

Ceramic Reflections

A ceramic bowl placed on blue paper and illuminated with sunlight forms a caustic.