Hydrogel Optical Fibers
Researchers are working to coax a class of superbly biocompatible polymer–water hybrids into light-guiding channels for sensing, optogenetics and more.
01 November 2024
Thermoradiative Photovoltaics
Devices that operate like solar cells in reverse can generate power even in the absence of sunlight, offering an alternative route for energy production.
01 November 2024
Enhancing Optical Microscopy with Quantum Entanglement
Drawing on the unique properties of entangled photons, quantum approaches can overcome the limitations of classical methods, enhance spatial resolution and reduce stray light and shot noise.
01 November 2024
“Painting” with Structural Colors
A synthetic molecular switch activated by light allows researchers to create stable images on a liquid-crystal canvas.
23 October 2024
Plasmonic Optical Fiber Biosensors
An in-depth description of plasmonic optical fiber biomechanical sensing, geared toward graduate students in photonics.
24 October 2024
Additive Color
Focused red, green and blue lasers visualised using graphite powder. The intersection of the beams appears white due to additive color mixing.
25 October 2024
November 2024 Issue
LATEST NEWS
Artificial Vision, Inspired by Cats
New device features a slit-like aperture and metal reflector to boost photosensitivity.
24 October 2024
“Painting” with Structural Colors
A synthetic molecular switch activated by light allows researchers to create stable images on a liquid-crystal canvas.
23 October 2024
Hot Carriers Get Caught on Camera
An ultrafast imaging technique has captured the dynamics of energetic charge carriers at the interface between two semiconductors.
17 October 2024
Ultra-Thin Laser Sets Power Record
A painstaking arrangement of mirrors and a device made from quantum wells yield strong, fleeting light pulses.
16 October 2024
Reactivating Spatial Memories with Light
Researchers leverage an optically enabled gene-expression technique to cause mice to seek out shelter even when one isn’t present.
10 October 2024ADVERTISEMENT
EDITOR'S PICKS
Photonics and AI: Industry Perspectives
OPN talked with six companies about some of the opportunities AI could open for the optics and photonics industry—in silicon photonics and beyond.
01 September 2024
Bridging the Global Gap in Cancer Detection
At CLEO, Rebecca Richards-Kortum will talk about how advances in imaging can improve cancer care around the world.
01 May 2024
A Scientist Abroad
When cultural heritage meets international collaboration and science.
01 October 2021
Thin crystalline film
Thin crystalline film of cesium chloride imaged in compensated polarized light microscopy, magnification 100×.
01 September 2024ADVERTISEMENT
Additive Color
Focused red, green and blue lasers visualised using graphite powder. The intersection of the beams appears white due to additive color mixing.
25 October 2024
Environmental Impact: Semiconductor Fabrication
A 2022 study in Science of the Total Environment analyzed the environmental impact of fabricating semiconductor chips, which involves large quantities of raw materials and waste generation.
01 November 2024
Celebrating Quantum
The “second quantum revolution” involves the wonderful things one can do with a single quantum system.
01 November 2024CAREERS
Ambassadors and Chapters Driving Optics Education and Career Advancement
Ana Karen Reyes talks about her work as an Optica Ambassador supporting optics and photonics education and professional development.
29 October 2024
A Career in Subsea: The Final (Fiber) Frontier
The Optical Fiber Communications Workshop, hosted by an Optica/SPIE Student Chapter, showcased career opportunities in the burgeoning field of subsea communications.
18 October 2024
Journeys in Optics: George Dwapanyin
Dwapanyin talks about his time as an Optica Ambassador, his involvement with Optica’s 2020 DEI Rapid Action Committee and the role community has had in his career.
15 October 2024
Journeys in Optics: Jason Adams
Adams discusses the genesis of his career in optics, his previous career as an audio engineer and the role of travel in his work.
03 September 2024
Celebrating the Legacy of the Siegman School
Considering the impact and future of Anthony Siegman’s namesake program on its 10th anniversary.
30 August 2024