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Optics & Photonics News

COVER STORY

OPN Cover for the February 2021 issue

New Eyes on the Sun

Patricia Daukantas

Three solar observatories—two in space, one on Earth—are using advanced optics to study our closest star in greater detail than ever before.

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IMAGE OF THE WEEK

Laser-Induced Breakdown
Laser-Induced Breakdown

Bright speckles intercepted on a piece of white paper after an azimuthally polarized femtosecond laser beam is focused into a glass slide. The demonstration shows the existence of laser-induced breakdown in glass. (Photo captured in by an iPhone 6.)

[Honorable Mention, OPN 2020 Photo Contest]


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Latest News

Erich Ippen Named Honorary Member of The Optical Society

21 January 2021
The Optical Society has named Dr. Erich Ippen, Massachusetts Institute of Technology (MIT), USA, an OSA Honorary Member.

Government science outreach through OSA (Virtual) Congressional Visits Days!

14 January 2021
In September 2020, I participated in the OSA Congressional Visits Day program and met with staff from U.S. Congressman Joe Morelle (D-NY) and U.S...

Raman Spectroscopy Shows Promise for Diagnosing Oral Cancer

13 January 2021
In a new study, researchers show that a light-based analytical technique known as Raman spectroscopy could aid in early detection of oral squamous...

Researchers Develop Laser-Based Process to 3D Print Detailed Glass Objects

12 January 2021
Researchers have developed a new laser-based process for 3D printing intricate parts made of glass. With further development, the new method could...

The Path Forward for Science under a New Administration

11 January 2021
As President-elect Joseph Biden fills key positions to address global challenges from COVID-19 to climate change, the scientific community is...

OSA Publishing

Recently Published

One-dimensional terahertz dielectric gradient metasurface for broadband spoof surface plasmon polaritons couplers: publisher’s note

Optics Letters, Vol. 46 Issue 3, pp.604-604 (2021)
This publisher’s note contains corrections to Opt. Lett.46, 290 (2021)OPLEDP0146-959210.1364/OL.412229.

Improving the beam quality of DPALs by refractive index gradients induced by the pump beam in the heated gain medium: experimental verification of the theoretical prediction

JOSA B, Vol. 38 Issue 2, pp.550-552 (2021)
We recently predicted [J. Opt. Soc. Am. B35, 558 (2018)JOBPDE0740-322410.1364/JOSAB.35.000558] that large radial gradients of the refractive index ...

Tailoring spatial entropy in extreme ultraviolet focused beams for multispectral ptychography

Optica, Vol. 8 Issue 2, pp.130-138 (2021)
Diffractive optics can be used to accurately control optical wavefronts, even in situations where refractive components such as lenses are not avai...

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