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Image of the Week

Striking images of optics and photonics, contributed by OPN readers

Optical Necklace
Optical Necklace

Trails of moving vehicles’ head and tail lights were shot by keeping a camera shutter open for 30 seconds. The long exposure to the image sensor blurs the subject in motion against the steady, non-moving background.

—Raj Rakshit, TATA Research and Development, Kolkata, India

12 May 2023

Surface Plasmon by Gaudí
Surface Plasmon by Gaudí

Gold nanoparticles in the stained glass windows of the Sagrada Familia in Barcelona, Spain, appear red when exposed to sunlight, due to surface plasmon resonance.

—Naru Yoneda, Kobe University, Kobe, Japan

05 May 2023

Colored Lens
Colored Lens

The objective lens of a digital projector is illuminated with white light from a lamp. The interaction of light propagating through the lenses and separating into different colors is captured by a cell phone camera.

—Yareli Navarro-Martínez, Erika Nohemí Hernández-Escobar and Miguel Ángel Bello-Jiménez, Universidad Autónoma de San Luis Potosí, Mexico

28 Apr 2023

A Rolling Mirror
A Rolling Mirror

Artistic studio picture of UltraFast Innovations' ultrafast optics: a double-mirror illusion is created by capturing a rolling mirror for a longer time. [OPN 2022 Photo Contest]

—Verónica Oliver, UltraFast Innovations, Munich, Germany

21 Apr 2023

Chemical Plant
Chemical Plant

A plant-like formation with beautiful patterns and colors spontaneously emerges on the edge of a glass slide when a birefringent chemical droplet is inserted into the space between crossed-polarizers.

—Karl Gaff, Art of Science Photography, Dublin, Ireland

14 Apr 2023

Soap Bubble Spectrum
Soap Bubble Spectrum

A soap bubble resting on a flat white surface, illuminated by sunlight (elevation about 14 degrees). A teacup cusp caustic is caused, with light contributions from differently inclined parts of the bubble, resulting in different colors along the caustic.

—Markus Selmke, Deutsches Patent- und Markenamt, Jena, Germany

07 Apr 2023

Axicon Light
Axicon Light

A diffractive axicon under LED illumination produces a system of colorful rings that form nearly Bessel beams.

—José Sasián, University of Arizona, Tucson, AZ, USA

31 Mar 2023

Folding the Light
Folding the Light

White light experiences multiple reflections between the mirror and linear variable filter. The application of this optical module was presented in Applied Optics.

—Aliaksei Kobylinskiy and Robert Brunner, Ernst-Abbe-Hochschule Jena, Jena, Germany

24 Mar 2023

Light-Beam Shaping
Light-Beam Shaping

A large-dynamic-range deformable mirror for intense laser applications (ILAO-Star, Imagine Optic) is used to induce high values of optical aberrations (astigmatism and coma) into an incoming light beam.

—Alok Kumar Pandey, Laboratoire Iréne Joliot-Curie, Université Paris-Saclay, Orsay, France

17 Mar 2023

Colorful Aberrations
Colorful Aberrations

Chromatic-aberration detail produced by the interaction of ambient light and a lens located in the active and reconfigurable optics lab at the University of North Carolina, Charlotte, USA.

—Natalith Palacios-Ortega, University of North Carolina, Charlotte, NC, USA

10 Mar 2023

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