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Optics & Photonics News


OPN Cover for the November 2020 issue

Detecting Microplastics with Optics

Kai-Erik Peiponen, Benjamin O. Asamoah, Boniphace Kanyathare, Jukka Räty and Matthieu Roussey

Emerging optical techniques for sniffing out millimeter- to sub-micron-scale plastics in aquatic settings could aid in the fight against a looming environmental threat.

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Extreme Ultraviolet Vortex
Extreme Ultraviolet Vortex

The far-field intensity profile of an EUV vortex beam carrying orbital angular momentum is characterized using an EUV Hartmann wavefront sensor (Imagine Optic, France), and is shown in a false-color map. The intricately intertwined, multi-ring feature originates from the contribution of long electron quantum paths during high-harmonic generation in an argon-filled gas cell. Other contributors: Eirini Papagiannouli, Laboratoire de Physique des Gaz et des Plasmas, Université Paris-Saclay, France.

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Latest News

Distinguished Leaders to Headline All-Virtual OSA High-brightness Sources and Light-driven Interactions Congress

28 October 2020
The all-virtual OSA High-brightness Sources and Light-driven Interactions Congress will feature three highly anticipated plenary talks on...

Michal Lipson Named 2021 John Tyndall Award Recipient

27 October 2020
Michal Lipson, Columbia University, USA has been named the 2021 John Tyndall Award recipient. Lipson, the first woman to receive the award since it...

Researchers Develop Simple Way to Capture High Quality 3D Images of Live Cells and Organisms

22 October 2020
Researchers have developed a simple method for simultaneously acquiring images at different depths with a standard microscope. The new technique...

2020 OSA Laser Congress Highlights Future Technologies and Applications

20 October 2020
The all-virtual 2020 OSA Laser Congress, held 13 – 16 October, featured presentations on innovations in solid-state lasers and applications...


20 October 2020
The global optics and photonics community is doing its part to fight the covid-19 pandemic. State-of-the-art optics technologies are detecting and...

OSA Publishing

Recently Published

Impact of angular pointing error on BER performance of underwater optical wireless links

Optics Express, Vol. 28 Issue 23, pp.34606-34622 (2020)
Even in clear ocean water, underwater optical wireless communication (UOWC) is impaired not only by absorption and scattering, but also by oceanic ...

Cavity engineering of two-dimensional perovskites and inherent light-matter interaction

Photonics Research, Vol. 8 Issue 11, pp.A72-A90 (2020)
Two-dimensional (2D) perovskites are hybrid layered materials in which the inorganic lattice of an octahedron is sandwiched by organic layers. They...

Unidirectional two-way optical frequency comparison and its fundamental limitations

Optics Letters, Vol. 45 Issue 21, pp.6074-6077 (2020)
High-quality frequency transfer based on existing telecommunication fiber links allows state-of-the-art microwave and optical clocks to be compared...

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