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October 2022 Issue
Feature Articles
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The Quest for Noninvasive Glucose Monitoring
Countless research groups have tried to invent a noninvasive glucose sensor and ultimately failed. Can a new generation of optics technologies provide a path to success?
by Meeri Kim![](https://opn-web-afd-d3bfbkd5bcc5asbs.z02.azurefd.net/opn/media/images/articles/2022/1022/features/daukantas-icon.jpg?t=638452550643167523)
New Aids for Color Vision Deficiency
People with some color-related genetic vision problems now have more options for getting through everyday life.
by Patricia Daukantas![](https://opn-web-afd-d3bfbkd5bcc5asbs.z02.azurefd.net/opn/media/images/articles/2022/1022/features/bialkowski-icon.jpg?t=638452550620059156)
Squeezing In on an Electromagnetic Controversy
Recent measurements of electrostriction—a body force term commonly excluded from calculations of electromagnetic force and momentum density—cast new light on a long-standing debate in the history of electrodynamic theory.
by N.G.C. Astrath, B. Anghinoni, T. Požar, I. Brevik and S.E. BialkowskiDepartments and Columns
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Research and Industry News
Associative learning / Birefringent art / Ultrathin probe / Nanomotors / Two-qubit gate / Lasers and the eye / Better lidar / Lumentum / Fraunhofer / Silicon photonics / Steadier satellites
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Lasers & the Human Eye
Accidental exposure to a single direct or reflected laser beam can cause irreversible damage to the human eye—depending on the wavelength, output and exposure duration.
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Looking Back—and Ahead—at the Laser Market
For laser and optics companies, revenues and net income continue to climb, but soft stock prices reflect widespread investor uncertainty.
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Toward Programmable Microscopes
At FiO LS 2022, physicist Monika Ritsch-Marte will talk about using spatial light modulators to enable customizable views and deep tissue imaging.
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Art and Light in Ukraine
After a brief interruption, Mykola Kabluka and his team at Ukraine-based Expolight are once again finding a way forward with light.
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Making Lasers Tunable
Since the laser’s first demonstration in 1960, scientists have worked to expand the range of wavelengths the devices can emit.
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Also in this Issue
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Our Most Important Responsibility
Protecting Earth’s environment is our most important responsibility.
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30, 20, and 10 Years Ago in OPN
Laser gynecology; dye transfer print process; polarimetric imaging
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News from the Society
Eni award / Fulbright for Qiao / Online industry meetings / Optica Fellow stories / LAOP / New Edmund Optics chair / Optica Community / CLEO Pacific Rim / Advanced Photonics / Falling Walls / Thank you, editors and volunteers
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Thank You to Our Donors
The Optica Foundation recognizes and fosters excellence in the next generation of the field.
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Light Bird
A focused femtosecond laser pulse interacts with a glass slide—creating a colorful flying-bird pattern. The shiny colors denote the strong laser-induced breakdown.