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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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Photo flash on micro slides substrates dipped in Piranha Acid Solution.

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Latest News

Public Trust in Science: Enabling Optical Research and Discovery for the Benefit of Humankind

14 May 2021
A newly launched initiative, the Trust Science pledge, is an example of public engagement to foster this trust. For this year’s International...

Researchers 3D Print Complex Micro-Optics with Improved Imaging Performance

13 May 2021
In The Optical Society (OSA) journal Optics Letters, University of Stuttgart researchers detail how they used a type of 3D printing known as two...

The OSA Foundation, SPIE and CSIC co-publish English translation of Discovering Light

11 May 2021
In partnership with SPIE and the Spanish National Research Council (CSIC), we are proud to release a new resource for teaching children about the...

Exploring Diversity and Visibility

06 May 2021
#WeAreOSA is a new series of podcasts and blogs featuring inspirational stories and perspectives from scientists and engineers improving the world....

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...

OSA Publishing

Recently Published

Microring resonators on a suspended membrane circuit for atom-light interactions: erratum

Optica, Vol. 8 Issue 5, pp.759-759 (2021)
This erratum corrects numerical errors which appeared in Supplement 1 of Optica6, 1203 (2019)OPTIC82334-253610.1364/OPTICA.6.001203.

Design method of wide field-of-view imaging systems using Gaussian radial basis functions freeform surfaces

Applied Optics, Vol. 60 Issue 15, pp.4491-4501 (2021)
High optical performance systems with wide field-of-view (FOV) have important applications in remote sensing. The radial basis functions, which hav...

Spectrum allocation scheme considering spectrum slicing in elastic optical networks

Journal of Optical Communications and Networking, Vol. 13 Issue 7, pp.169-181 (2021)
Recent advances in physical layer optics have made slicing of optical bands into multiple subbands with different bandwidths possible. Due to this ...

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