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A new series of inspirational stories and timely perspectives from scientists and engineers improving our world.

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Connecting the Optics and Photonics Community – OSA’s Approach to Digital Conferences

  READ NOW | 22 April 2021

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Mentoring Future Leaders

  LISTEN NOW | 24 March 2021

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Optics & Photonics News

COVER STORY

OPN Cover for the May 2021 issue

Will Satellites Cripple Ground-Based Astronomy?

Jeff Hecht

Some worry that the growth of space technology—which originally sprang from humanity’s fascination with the stars—now threatens access to the clear skies vital for research with a new generation of Earth-based telescopes.

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IMAGE OF THE WEEK

Solar Crescents
Solar Crescents

During a solar eclipse, an image of the sun reflected from a mobile screen displays diffraction, causing multi-colored solar crescents.


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Latest News

Improvements to Free-Space Optical Networks Enable Wireless Transmission in Urban Settings

06 May 2021
Free-space optical (FSO) communications has the potential for wide use in the license-free, interference-free transmission of data in unenclosed...

Improvements to Free-Space Optical Networks Enable Wireless Transmission in Urban Settings teaser

Researchers Produce Laser Pulses with Record-Breaking Intensity

06 May 2021
Researchers have demonstrated a record-high laser pulse intensity of over 1023 W/cm2 using the petawatt laser at the Center for Relativistic Laser...

Researchers Produce Laser Pulses with Record-Breaking Intensity teaser

The Optical Society Announces 2021 Ambassadors

30 April 2021
The Optical Society (OSA) is pleased to announce the 2021 class of OSA Ambassadors. The Ambassador program equips 10 exceptional early-career...

The Optical Society Announces 2021 Ambassadors teaser

Latency-Aware Optical Networking for Automated Deployment of 5G Services

28 April 2021
Extremely low transmission latency is one of the key features promised by 5G communication networks. During a session at OFC 2021, researchers will...

Latency-Aware Optical Networking for Automated Deployment of 5G Services teaser

Leaders in Optical Communications & Networking Present at OIDA Executive Forum

26 April 2021
The future of optical networking will be among key themes for the all-virtual OIDA Executive Forum to be held 02 – 03 June 2021. Leaders from top...

Leaders in Optical Networking and Communications to Discuss Technology Advancements at All-Virtual O teaser

OSA Publishing

Recently Published

Discharge status diagnosis based on chromaticity coordinates

Applied Optics, Vol. 60 Issue 14, pp.4245-4250 (2021)
It is common for researchers to learn about the physical process of discharge by studying the intensity of specific spectral lines in the emission ...

Discharge status diagnosis based on chromaticity coordinates

Nonlinear super-resolution imaging via orientationally enhanced photorefractive effect in polymer

Optics Letters, Vol. 46 Issue 10, pp.2441-2444 (2021)
Resulting from the attenuation of evanescent waves in imaging, conventional microscopy techniques always yield few subwavelength features. In this ...

Nonlinear super-resolution imaging via orientationally enhanced photorefractive effect in polymer

Measurement of classical entanglement using interference fringes

JOSA B, Vol. 38 Issue 6, pp.1798-1805 (2021)
Classical entanglement refers to non-separable correlations between the polarization direction and the polarization amplitude of a light field. The...

Measurement of classical entanglement using interference fringes

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