December 2021 Issue
Feature Articles
Optics in 2021
This special issue of Optics & Photonics News highlights exciting peer-reviewed optics research that has emerged over the past year.
2021 Photo Contest Winners
Congratulations to the winners of OPN’s 16th annual After Image photo contest!
Departments and Columns
Research and Industry News
Toward fault-tolerant quantum computing / Detecting solar-panel defects / Fluorescent dyes encode data / Low-noise LIGO mirror coatings / High-performance photodetectors / X-ray scattering / Europe’s quantum tech / Advancing lidar market / Cooking with lasers / Upgraded comb breathalyzer
Looking Back on a Year of Change
Connie Chang-Hasnain talks with OPN about her term as president of the society—and about the road ahead.
Owning the Problem
Employees who “exceed expectations” are often the ones who take the initiative and get the job done—despite roadblocks.
Optics in 2022 & 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 2021” feature for thoughts on areas that might advance in 2022.
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Also in this Issue
Rising to Challenges
This is an exciting time for our field and organization.
30, 20, and 10 Years Ago in OPN
Atmospheric compensation; birefringent photonic crystal fibers; biological lasers.
News from the Society
Women in industry / Laser Congress student paper prizes / Rochester and Arizona industry events / Celebrating Carl Williams / Optica Fellow stories / Technology Showcase /Optica Fellows inducted into NAE / GEMM at COP26 / Optica officer election results for 2022 / Thank you, editors and volunteers
Time-resolved emission
Fluorescent tubes go through on-off-on cycles. Purple light emitted early in the cycle comes from mercury and short-lived states in the phosphor mixture, and green light emitted late in the cycle comes from a long-lived Tb(3+) state.
