December 2023 Issue
Feature Articles
Optics in 2023
This special issue of Optics & Photonics News highlights exciting peer-reviewed optics research that has emerged over the past year.
2023 Photo Contest Winners
Congratulations to the winners of OPN’s 18th annual After Image photo contest!
Departments and Columns
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
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.
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.
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Also in this Issue
A Troubling End to 2023
Whatever our politics, we must agree that nothing can justify terrorism targeting the innocent.
30, 20, and 10 Years Ago in OPN
VCSELs; micro-optics and quantum optics; rewriteable digital laser
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
Dichroic Filters
A row of consecutive dichroic filters is obliquely illuminated by a circular white torchlight, creating a diverse range of colors.
