![current issue magazine cover](https://opn-web-afd-d3bfbkd5bcc5asbs.z02.azurefd.net/opn/media/images/articles/2021/2110/departments/cover-opn-oct21-webres.jpg?t=638452547172257415)
October 2021 Issue
Feature Articles
![](https://opn-web-afd-d3bfbkd5bcc5asbs.z02.azurefd.net/opn/media/images/articles/2021/2110/features/story-thumb2.jpg?t=638452547404692614)
The Story of Optica
A century-old society adopts a new name and brand—and looks ahead to the next 100 years.
by OPN Staff![](https://opn-web-afd-d3bfbkd5bcc5asbs.z02.azurefd.net/opn/media/images/articles/2021/2110/features/entrepreneur-thumb.jpg?t=638452547314548362)
Entrepreneurs to Watch
In a new feature, OPN throws the spotlight on a selection of creative scientists and engineers—and the enterprises they’re building.
by OPN Staff![](https://opn-web-afd-d3bfbkd5bcc5asbs.z02.azurefd.net/opn/media/images/articles/2021/2110/features/moser-thumb.jpg?t=638452547360143943)
Hearing the Light
Through optogenetics and new medical devices, optical stimulation of the auditory nerve could improve on current hearing-restoration technology, affording better speech recognition and perception of music.
by Tobias Moser, Daniel Keppeler, Christian Goßler and Ulrich T. SchwarzDepartments and Columns
![](https://opn-web-afd-d3bfbkd5bcc5asbs.z02.azurefd.net/opn/media/images/articles/2021/2110/departments/news-thumb.jpg?t=638452547248445144)
Research and Industry News
Wearable UV sensors / Mid-IR imaging with a CCD / Syncing up atomic clocks / Ultrafast 5D imaging / Space–time quantum metasurfaces / Toward a hydrogen economy / Mass-market AR prospects / Faces of Optica / Lower-energy e-displays / Automating OCT
![](https://opn-web-afd-d3bfbkd5bcc5asbs.z02.azurefd.net/opn/media/images/articles/2021/2110/departments/infographic-thumb.jpg?t=638452547216841200)
The Faces of Optica
To celebrate the extraordinary global diversity of our community, renowned portrait photographer Sam Barker has taken a series of portraits of Optica members. Visit optica.org/faces to view the full gallery.
![](https://opn-web-afd-d3bfbkd5bcc5asbs.z02.azurefd.net/opn/media/images/articles/2021/2110/departments/careers-thumb.jpg?t=638452547168897719)
A Scientist Abroad
When cultural heritage meets international collaboration and science.
![](https://opn-web-afd-d3bfbkd5bcc5asbs.z02.azurefd.net/opn/media/images/articles/2021/2110/departments/market-thumb.jpg?t=638452547241957788)
Sizing Up Optics and Photonics
Optica’s Tom Hausken looks at estimates of the industry’s growth—and why such estimates matter.
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Also in this Issue
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Welcome to Optica!
This month I have the pleasure of welcoming you to Optica, the new name for our society.
![](https://opn-web-afd-d3bfbkd5bcc5asbs.z02.azurefd.net/opn/media/images/articles/2021/2110/departments/looking-img1.jpg?t=638452547219954452)
30, 20, and 10 Years Ago in OPN
Optical remote sensing of the atmosphere; magnetorheological finishing; scattering technology
![](https://opn-web-afd-d3bfbkd5bcc5asbs.z02.azurefd.net/opn/media/images/articles/2021/2110/departments/focus-img5.jpg?t=638452547186890641)
News from the Society
Oximeters for COVID / Siegman School / GEMM summit / Optica Fellow stories / Meeting roundup / Virtual FiO+LS / DEI developments / Creative Zoom / Remembering Jane Simmons / Thanks, editors and volunteers
![](https://opn-web-afd-d3bfbkd5bcc5asbs.z02.azurefd.net/opn/media/images/articles/2021/2110/departments/foundation-thumb.jpg?t=638452547203505895)
Thank You to Our Donors
The Optica Foundation recognizes and fosters excellence in the next generation of the field.
![](https://opn-web-afd-d3bfbkd5bcc5asbs.z02.azurefd.net/opn/media/images/articles/2021/2110/departments/after-image-thumb.jpg?t=638452547156888955)
Creating Art with Fruit
Striped pattern reflected in surface of milk with a few wild berries.