Multimedia / After Images

After Image

The beauty of light, as seen on the last page of each OPN issue

The Tongue of Alaska’s Malaspina Glacier
The Tongue of Alaska’s Malaspina Glacier

False-color composite image made using infrared, near infrared and green wavelengths. The image was acquired by Landsat 7’s Enhanced Thematic Mapper plus (ETM+) sensor on 31 August 2000.   

—NASA/USGS

01 Nov 2019

Output Light Field
Output Light Field

Output light field of a tapered tip of an optical single-mode fiber, in which blue light and green light are coupled, reflected by a sheet of paper.  

—Frederik N. Hasselmann, WWU Münster, Germany

01 Oct 2019

Hourglass toy
Hourglass toy

A ~532-nm green laser beam, passed through a pointer’s photonic-crystal cap to produce multiple diffracted beams, excites the pink dye in an hourglass toy, causing the dye to fluoresce in a golden-orange color along the path of the diffracted beams.  

—Omar Khayyam and Syed Abuthahir Ziaudeen, Dr. Zakir Husain College, Ilayangudi, India

01 Sep 2019

Ink Droplet
Ink Droplet

An ink droplet in water creates a beautiful blue gradient.   

—Souvik Ghosh, City University  of London, U.K.

01 Jul 2019

Multi-color laser
Multi-color laser

The output of a multi-color laser is diffracted from the tip of an optical fiber.

—Abdullah Rahnama, Gligor Djogo and Peter R. Herman, University of Toronto, Canada

01 Jun 2019

A black hole at the center of galaxy
A black hole at the center of galaxy

An image of the black hole at the center of galaxy M87, obtained by the Event Horizon Telescope—a very-long-baseline interferometry (VLBI) array of eight high-altitude millimeter-wave astronomy facilities distributed across Earth’s surface.

—Event Horizon Telescope Collaboration et al.

01 May 2019

Fern sorus:
Fern sorus:

Structures producing and containing spores. [2nd Place 2018 Nikon Small World Photomicrography Competition]  

—Rogelio Moreno Gill,  Panama, Panama

01 Apr 2019

Those Who Affected Me
Those Who Affected Me

Those Who Affected Me, a textile by Swedish designer Malin Bobec, lights up with optical fibers connected to 500 programmable LEDs. [Gothenburg Museum of Art, Sweden, Dec. 2015 to Feb. 2016]  

—Swedish designer Malin Bobec / Photo by Yann Houlberg Andersen

01 Mar 2019

Curling snow drifts
Curling snow drifts

Curling snow drifts are magnified by the terrain around the 2200-km Dnieper River, which flows from Russia to the Black Sea, in this image from the International Space Station on 9 February 2017. 

—NASA/ESA/Thomas Pesquet

01 Feb 2019

Blue Laser Light
Blue Laser Light

Welding with 500 W of blue laser light. [OPN 2018 After Image Photo Contest entry.]  

—James P. Tucker Nuburu Inc., Colo., USA 

01 Jan 2019

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