2023 Photo Contest Winners

Congratulations to the winners of OPN’s 18^th annual After Image photo contest!

Optics in 2023

This special issue of Optics & Photonics News highlights exciting peer-reviewed optics research that has emerged over the past year. 

Newsroom

Research and Industry News

Low-cost ultrafast photography / Air-based Bragg grating / Detecting postpartum hemorrhage / OAM polarization entanglement / Wearable glucose sensor / Enhanced microcombs / Industry news

Light Touch

Iris Ornaments: The Beauty in Diffraction

Since the first gratings were constructed, there have been a number of attempts to commercialize their color-producing effects as decorative elements.

Infographic

Optics in 2024 & Beyond

Each December, OPN looks at interesting research results of the past year. But what about the year ahead? We asked several contributors to our “Optics in 2023” feature for thoughts on areas that might advance in 2024.

President's Message

A Troubling End to 2023

Whatever our politics, we must agree that nothing can justify terrorism targeting the innocent.

Looking Back

30, 20, and 10 Years Ago in OPN

VCSELs; micro-optics and quantum optics; rewriteable digital laser

Optica in Focus

News from the Society

Engineering Excellence Award / Pozo makes “Photonics 100” / Capitol Hill photonics showcase / Officer elections / Optica Fellow stories / Optica Foundation Challenge winners / Best paper prizes / Dainty wins RPS awards / ECOC in Scotland / FiO LS and Laser Congress / Treasurer’s Award / Thank you, editors and meeting chairs

After Image

Dichroic Filters

A row of consecutive dichroic filters is obliquely illuminated by a circular white torchlight, creating a diverse range of colors.