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OPN Cover for the June 2021 issue

DAS: A Seismic Shift in Sensing

Edwin Cartlidge

From earthquakes to smart cities, fiber can monitor systems in unprecedented detail.

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Thin-film interference
Thin-film interference

When a monolayer of densely packed spheres is used as a mask for nanolithography, the spheres sometimes pack into several layers. The result can be beautiful thin-film interference—as in this example, reminiscent of a Hokusai lithograph.

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Latest News

Researchers Use Transoceanic Fiber Link for Geophysical Sensing

10 June 2021
In Optica, The Optical Society's (OSA) journal for high impact research, researchers from Google and the University of L’Aquila show that the fiber...

Researchers Take Quantum Encryption Out of the Lab

09 June 2021
In The Optical Society (OSA) journal Optics Letters, researchers report that their simple system is stable over time and can generate quantum...

OFC 2021 Opens with the Innovations and Solutions Critical to Addressing Ever-increasing Data Deman

07 June 2021
This year’s OFC, being held in all-virtual format 06 – 11 June 2021, welcomes industry leaders, academia, media and analysts worldwide. The...

Infrared Imaging Leaves Invasive Pythons Nowhere to Hide

07 June 2021
In the Optical Society (OSA) journal Applied Optics, researchers led by Dr. Kyle Renshaw from the University of Central Florida College of Optics...

Optical Advances Help Enable 800 Gigabit Ethernet

04 June 2021
At the 2021 OFC, Syunya Yamauchi, a principal optical engineer at Lumentum, will demonstrate an optical solution that uses four 200 Gbps wavelength...

OSA Publishing

Recently Published

Influence of wavefront types on movement artefacts in handheld laser speckle contrast perfusion imaging

OSA Continuum, Vol. 4 Issue 6, pp.1875-1888 (2021)
Laser speckle contrast imaging (LSCI) is a non-invasive and affordable technique to visualize skin perfusion. Handheld use of the system facilitate...

Experimental validation of CNNs versus FFNNs for time- and energy-efficient EVM estimation in coherent optical systems

Journal of Optical Communications and Networking, Vol. 13 Issue 10, pp.E63-E71 (2021)
Error vector magnitude (EVM) has proven to be one of the optical performance monitoring metrics providing the quantitative estimation of error stat...

Field-resolved detection of the temporal response of a single plasmonic antenna in the mid-infrared

Optica, Vol. 8 Issue 6, pp.898-903 (2021)
Unveiling the spatial and temporal dynamics of a light pulse interacting with nanosized objects is of extreme importance to widen our understanding...

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