Optics

Credit: Christopher R. Shelton
VAR Lab researchers capture the Liberty Bell with a Canon EOS R5 Mark II for documentation and photogrammetry during one of three limited-access scanning sessions inside the Liberty Bell Center.
The mission: A nine-hour access window to create a high-res digital twin of the Liberty Bell forced our team to combine four forms of optical capture and check every dataset before...
Aug. 17, 2026
Credit: B. Schröder/HZDR
A THz electromagnetic wave induces strong, fast temporal modulations that result in a photonic time crystal—a.k.a. a crystal lattice in time for photons.
Aug. 13, 2026
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Following the Photons: A Photonics Podcast
Aug. 11, 2026
Credit: Nvidia
Artist rendering of quantum GPU-supercomputing, with integration via Nvidia NVQLink.
Aug. 10, 2026
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Aug. 3, 2026
Credit: Marcus Albrechtsen/Niels Bohr Institute
Illustration of the telecom single-photon device. A resonant pulsed laser (top left) excites a single quantum dot embedded within a photonic-crystal waveguide, and the dot emits telecom-wavelength photons one at a time into the on-chip circuit. Gold contacts apply the bias that stabilizes the dot's charge environment.
Aug. 3, 2026
Credit: ESA
FIGURE 1. LISA will use three spacecraft separated by ~2.5 million kilometers to exchange laser beams and detect low-frequency gravitational waves.
July 31, 2026
Credit: John Dexheimer
Investors have been rewarded and appear optimistic about continued growth.
July 30, 2026
Credit: Lidrotec
FIGURE 1. Schematic of the LidroCUT process.
July 29, 2026

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