Optics

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

Recent

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External cooling performance of the radiative cooler.
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Highlights

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FIGURE 1. Black epoxy coatings can have an absorption factor exceeding OD1/µm (left), which leads to excellent light blocking properties over a broad spectral range within the thinnest coating layers (right).
Optics

Screen-printable black epoxy coatings offer a balanced solution for versatile and cost-effective optical systems

Dec. 23, 2024
Black epoxy coatings enable designers to achieve high optical performance within compact, durable systems, which makes them suitable for optical technologies ranging from scientific...
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This schematic shows the differences between classical optics vs. quantum optics for the team’s work.
Quantum

Bright squeezed vacuum pulses generate high harmonics

Dec. 20, 2024
Using a bright squeezed vacuum to generate high harmonics enhances their yields—compared to classical coherent light—and provides a route to probe material properties beyond the...
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Podcasts

PODCAST: Interview with Sam Rubin, LightPath Technologies

Dec. 17, 2024
Episode 30 of Following the Photons: A Photonics Podcast features Sam Rubin, CEO of LightPath Technologies.
(Image credit: K. Arjas et al., Nat. Commun., 15, 9544 [2024]; https://doi.org/10.1038/s41467-024-53952-5)
Vortex laser pattern from 12-fold rotationally symmetric quasicrystal structure.
Quantum

Novel quasicrystal design further ‘green lights’ topological study of light

Dec. 16, 2024
A new quasicrystal design process—that enabled a structure with a 12-fold rotational symmetry—may prove useful for many photonic applications beyond plasmonics.
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Integrated photonic module for space applications resulted from a collaboration within the Dutch photonics ecosystem.
Executive Forum

Growth in turbulent times: LioniX focuses on continuous improvement

Dec. 13, 2024
Pointing out areas in which we can improve is never easy, but Arne Leinse, CEO of LioniX International, always searches for areas of improvement in his work.

Recommended

FIGURE 1. Schematic of a system used to analyze carbon disulfide (CS2) Kerr gate [3]. It highlights the importance of polarizing sheets (magenta dotted boxes) and ND filters (blue dotted boxes).
Optics

Optical transmission of polaroid sheet polarizers and neutral-density filters

Dec. 5, 2024
Neutral-density (ND) filters and polarizers are two common optical components for applications within the visible and near-infrared (NIR) ranges. We measured light transmission...
(Image credit: SPIE)
2025 SPIE Prism Award finalists and award recipients will be honored during a January 29th gala evening at SPIE Photonics West.
Executive Forum

SPIE names 2025 Prism Award finalists

Rapidly developing technology areas such as quantum, sensors, imaging, and biomedical showcase the range and variety of this year's entries and finalists.
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Executive Forum

AI infrastructure dominates October venture funding

Nov. 8, 2024
Notable deals were also seen in quantum computing and LiDAR.
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Executive Forum

Photonics IP Update: October 2024

Nov. 6, 2024
This roundup summarizes photonics-related patent litigation and Patent Office procedures for October.
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Optics

Digital readout integrated circuit has use in SWIR applications

Nov. 1, 2024
The Neon RD0131 advanced digital readout integrated circuit (DROIC) has an HD 1280 × 1024 format.