Lasers Turn Nanoparticles Into Tiny Thermometers
Technique enables super-resolution imaging by suppressing fluorescence from upconverting particles.
24 July 2024
Monitoring Methane to Curb Climate Change
Satellites, aircraft and ground-based systems equipped with optics and photonics technologies pinpoint major sources of methane to help implement solutions that reduce emissions.
01 July 2024
Socially Acceptable AR Glasses: Are We There Yet?
An Optica incubator meeting explored the role of optical waveguides in developing compact, comfortable and natural eyewear for augmented reality.
01 July 2024
Passivation Approach Boosts Staying Power of Perovskite PVs
Group led by Hong Kong and UK scientists proposes a “living passivation” strategy that can heal new material defects in real time as they crop up during operation.
22 July 2024
A Metasurface Makes a Tractor Beam
Passing light through a tiny silicon metasurface resulted in a triple-helix solenoid beam, capable of pulling particles toward it.
26 July 2024
Heavy-Metal Stars
The stars in the 10.5-billion-year-old globular cluster NGC 6496 are enriched with much higher proportions of metals than stars found in similar clusters.
26 July 2024
July/August 2024 Issue
LATEST NEWS
A Metasurface Makes a Tractor Beam
Passing light through a tiny silicon metasurface resulted in a triple-helix solenoid beam, capable of pulling particles toward it.
26 July 2024
Lasers Turn Nanoparticles Into Tiny Thermometers
Technique enables super-resolution imaging by suppressing fluorescence from upconverting particles.
24 July 2024
Passivation Approach Boosts Staying Power of Perovskite PVs
Group led by Hong Kong and UK scientists proposes a “living passivation” strategy that can heal new material defects in real time as they crop up during operation.
22 July 2024
Halo Industries Grabs US$80 Million in Series B Funding
Startup will use the new money to help commercialize laser-based process for producing SiC wafer substrates, used in electronics for E-vehicles, renewable energy and more.
19 July 2024
Customizable, Light-Activated Nanocarriers
Size-adjustable polymer nanospheres release their encapsulated contents upon irradiation with UV and visible light for targeted drug delivery.
18 July 2024ADVERTISEMENT
EDITOR'S PICKS
Timekeepers in Space
Placing optical clocks in orbit could potentially transform timekeeping, navigation and precision science—if scientists can overcome the formidable hurdles involved.
01 January 2024
Lenses Go Liquid
The discovery of electrowetting nearly 150 years ago set the stage for manipulating liquid to act as a tunable lens, mimicking the crystalline lenses of the human eye.
01 March 2021
Shrinking the Ti:Sapphire Laser
Researchers say their prototype laser on a chip is 10,000 times smaller and 1,000 times less expensive than previous iterations.
04 July 2024
3.6 Billion Years in Color
The Pilbara, northwestern Australia, which exposes some of the oldest rocks on Earth, is captured in a composite image by Terra satellite.
01 June 2022ADVERTISEMENT
Heavy-Metal Stars
The stars in the 10.5-billion-year-old globular cluster NGC 6496 are enriched with much higher proportions of metals than stars found in similar clusters.
26 July 2024
Biosensing and Bioimaging with Nanophotonics
At the Optica Sensing Congress, Hatice Altug discussed the latest developments in nanophotonics for applications in the life sciences and biomedicine.
01 July 2024
Optica Election for 2025 Offices
Review the candidates for Optica's 2025 Vice President and Directors-at-Large election.
01 July 2024CAREERS
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Journeys in Optics: Agata Azzolin
Azzolin talks about what motivates her as a graduate student, her experience as part of an Optica technical group and her work in attosecond science.
09 July 2024
Standing in Our Potential
Janet Fender writes about how the inaugural Optica Women Scholars Conference provided opportunities to encourage the career growth of young women in science.
25 June 2024
From Optical Engineering to Technical Marketing
Cory Boone talks about his journey into marketing at Edmund Optics—and the joy he’s found in scientific outreach through TikTok and YouTube.
18 June 2024
Journeys in Optics: Joseph N. Mait
Mait reflects on his career, from academia to 30 years working in the US Army Research Laboratory, and offers advice and lessons learned.
11 June 2024
Thinking Broadly about Collaborations
Researcher Sarper Ozharar spoke with OPN about his transition from academia to industry and the value in creative partnerships.
14 May 2024
Give us your best shot!
OPN invites you to participate in our 19th annual photo contest.