Optics

The laserfocusworld.com Optics channel features articles and other content that discuss precision optical components, systems, and applications.

Highlights

(Image credit: The Grainger College of Engineering at the University of Illinois Urbana-Champaign)
Optics

Physicists discover surface signature of higher-order topological insulators

Feb. 13, 2024
Higher-order topological insulators (HOTIs) have a unique surface signature that determines how they reflect light—and it can be used to experimentally confirm the existence of...
(Image credit: Zubin Jacob research group/Purdue University)
Optics

Spinning meta-optics for spectro-polarimetric thermal imaging?

Feb. 1, 2024
Purdue University researchers merge optical engineering with cutting-edge computational imaging techniques—a spinning metasurface stack breaks thermal light down into its spectral...
(Photo credit: K. Shimada/The University of Tokyo)
Optics

‘Spectrum shuttle’ enables customizable spatiotemporal shaping of gigahertz burst pulses

Jan. 22, 2024
Researchers in Japan unveil an optical technique to generate gigahertz repetition pulses with individual colors and shapes—with potential ultrafast imaging and laser processing...
(Image credit: Wits University)
Optics

Nonlinear optics for quantum transport?

Jan. 18, 2024
What happens when you replace linear optics with nonlinear optics for teleportation? You get a new quantum transport method that doesn’t require a bunch of extra photons.
Photo 108269373 | Abstract Background © Dmitriy Razinkov | Dreamstime.com
Optics

In-package optical interconnects enable new generative AI architectures

Jan. 11, 2024
An information superhighway of sorts—in-package optical I/O—can keep AI traffic flowing quickly and efficiently.
Optics

All-fiber Bragg grating notch filters have use in 1018 nm applications

Feb. 10, 2024
WSF series all-fiber band-stop (notch) filters are used to selectively block a wavelength or a range of wavelengths, while allowing other wavelengths to pass through.
(Image credit: IOP)
Quantum

Multiphoton effect exists within quantum interference of light

Feb. 9, 2024
Researchers in Germany and Scotland explore how the visibility of the Hong-Ou-Mandel effect is affected by contamination and disprove an assumption that multiphoton components...
Software & Accessories

Active alignment adhesive has use in ADAS camera manufacturing

Feb. 5, 2024
DUALBOND OB6799 is optimized for active alignment processes, specifically for manufacturing high-precision optical sensor systems.
Optics

Optical polishing platform works with different geometry types

Jan. 24, 2024
The GEO optical polishing platform can be configured for polishing waveguides, PIC optical chips, PLCs, and fiber arrays.