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(Image credit: Edmund Optics)
FIGURE 1. The refractive index of UV-grade fused silica as a function of wavelength (left); this dispersion can lead to temporal distortion for ultrafast laser pulses. Attempting to focus a white light source through a single lens results in different focal planes for the various component colors (right); this is analogous to how ultrashort pulses experience temporal distortion when passing through a medium.
Lasers & Sources

A guide to group delay dispersion for ultrafast lasers

Oct. 17, 2024
Managing the ultrashort pulse durations of ultrafast lasers can be a daunting task, especially if you are unfamiliar with their unique temporal characteristics. Understanding ...

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(Photo credit: Chromacity Ltd.)
Julian Hayes, CEO of Chromacity Ltd.
Lasers & Sources

Quantum world, meet Chromacity Ltd.

Oct. 16, 2024
In this Q&A with Chromacity CEO Julian Hayes, he introduces us to the company, and it’ll be nearly impossible for anyone to ever top his company fun facts.
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Podcasts

PODCAST: October 15, 2024 Light News

Oct. 15, 2024
Episode 21 of Following the Photons: A Photonics Podcast features our Light News photonics news roundup for October 15, 2024.
(Image credit: Phlux Technology)
FIGURE 1. FSOC is emerging as the answer to demands for ever-greater bandwidth in both terrestrial and satellite communications.
Optics

Free-space optical comms: High data-rate connectivity from the ground up

Oct. 14, 2024
Thanks to advances in infrared sensors, free-space optical communication (FSOC) technology is poised to revolutionize connectivity across diverse environments.

(Photo credit: Jacqueline Ramseyer Orrell/SLAC National Laboratory)
SLAC received its first LCLS-II-HE cryomodule from Fermilab on Feb. 18, 2022.

(Image credit: L. Guarneri et al., Nano Lett., 24, 21, 6240–6246 [2024]; https://doi.org/10.1021/acs.nanolett.4c00694)
A microscope image of the thinnest lens in the world.

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Photonics Hot List: October 11, 2024
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Photonics Hot List: October 11, 2024

Oct. 11, 2024
In this episode: a chip-based tractor beam captures bioparticles, the latest business mergers and moves, and a thermal metasurface design controls itself.
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Photonics Hot List: October 4, 2024

Oct. 4, 2024
In this episode: SLAC designs high-energy laser upgrades, optical fiber boosts quantum computing, and LightPath is set to advance military aircraft.
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Photonics Hot List: September 27, 2024

Sept. 27, 2024
In this episode: secure comms could be viable with super photons, some recent photonics business news, and a quantum effect sheds light on the brain.

Leadership in Lasers and Photonics

Welcome to Laser Focus World's Leadership in Lasers and Photonics program.