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Optics & Photonics News

COVER STORY

OPN Cover for the March 2021 issue

Is Nothing Better Than Something?

Jeff Hecht

The idea of guiding light through hollow pipes dates to the 19th century, but solid-core fibers made much better optical waveguides. Now the emerging technology of hollow-core fibers has resurrected an old idea.

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IMAGE OF THE WEEK

Light Painting
Light Painting

A light painting of residential lights taken at night with a cell phone using a 1-second exposure. The sinusoidal pattern was generated by hand during the exposure.


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Latest News

U.S. Congressional Optics and Photonics Caucus Aims to Raise Awareness of Light-based Technologies

26 February 2021
The newly formed U.S. Congressional Optics and Photonics (O&P) Caucus hosted a virtual public launch event on 24 February 2021 with remarks...

New Sensor Paves Way to Low-cost Sensitive Methane Measurements

22 February 2021
Researchers have developed a new sensor that could allow practical and low-cost detection of low concentrations of methane gas.

OIDA Virtual Workshop on Developments in Co-Packaging Technologies for Data Centers

18 February 2021
An OSA Industry Development Associates (OIDA) virtual workshop, to be held 30 - 31 March 2021, will review issues embedded photonics must overcome...

The Optical Society Launches New Conference Paper and Video Interface for OSA Meetings

18 February 2021
The Optical Society (OSA) has developed a new integrated search and browse interface for OSA Meetings to display all of the conference video...

Researchers Develop Tiny Sensor for Measuring Subtle Pressure Changes Inside the Body

17 February 2021
Researchers have developed an extremely sensitive miniaturized optical fiber sensor that could one day be used to measure small pressure changes in...

OSA Publishing

Recently Published

Multiply charged vortex states of polariton condensates

Optica, Vol. 8 Issue 3, pp.301-307 (2021)
The existence of quantized vortices is a key feature of Bose–Einstein condensates. In equilibrium condensates, only quantum vortices of unit topolo...

Flexible optical imaging band system for the assessment of arthritis in patients with systemic lupus erythematosus

Biomedical Optics Express, Vol. 12 Issue 3, pp.1651-1665 (2021)
We have developed a flexible optical imaging system (FOIS) to assess systemic lupus erythematosus (SLE) arthritis in the finger joints. While any p...

Sulfur-rich chalcogenide claddings for athermal and high-Q silicon microring resonators

Optical Materials Express, Vol. 11 Issue 3, pp.913-925 (2021)
Heterogeneous integration of materials with a negative thermo-optic coefficient is a simple and efficient way to compensate the strong detrimental ...

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