Feature Articles

Controlling CRISPR

Light-based approaches for steering CRISPR–Cas9, the powerful Nobel Prize–winning genome-editing toolkit, promise to boost the technique’s precision and specificity—and might help bring it into clinical use.

by Meeri Kim
Synchrotron Light Sources for the 21st Century

Labs on five continents are upgrading their storage-ring synchrotrons and free-electron lasers to make their X-ray beams brighter and more adaptable to scientific and medical applications.

by Patricia Daukantas
The Search for a Better COVID Test

Researchers are drawing on optics and photonics to improve the current “gold-standard” approach to coronavirus diagnostics—and to develop promising alternatives.

by Stewart Wills

Departments and Columns

Newsroom
Research and Industry News

Diffractive optical elements / Deep brain imaging / Greenhouse gas detection / Cold-atom source / Liquid-crystal metalens / “Super laser” for taming lightning / Global transceiver market / Quantum cooling at LIGO

Conversations
Advancing Trust in Science

The chair of the International Day of Light (IDL) steering committee urges action to stem misinformation and mistrust in science—and to improve scientists’ abilities to communicate with the public at large.

Light Touch
Beyond “Fire in the Soul”

The burning optical issues that underlie some modern art and architecture.

Infographic
Nobel Women of Science

Next month, the Nobel Prizes for 2021 will be announced. Here we look at women who have received the Nobel Prize in physics, chemistry and physiology or medicine. For a closer look at recent advances in optics based on the 2020 Chemistry Nobel winners’ research, see this month’s cover story.

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Also in this Issue

President's Message
Supporting Global Innovation

Looking Back
30, 20, and 10 Years Ago in OPN

Jean Bennett; nanowire nanolasers; green laser diodes.

OSA Update
News from the Society

A cutting-edge OFC 2021 / Carney appointed OSA chief scientist / 5G Summit / OSA Foundation prize winners / Treasuer’s Award winners / Société Française d’Optique Congress / Congressional Fellows / OSA Fellow stories / Thank you, editors and volunteers

OSA Financials
OSA Financial Report

Summary of OSA financial statements from the past year.