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


(Image credit: Haizeng Li/https://doi.org/10.1002/adfm.202400760)

Tungsten trioxide nanodots show promise for electrochromic and photochromic devices

May 10, 2024
Researchers fine-tune chromatic properties of tungsten trioxide nanodots by adjusting their size, crystallinity, and surface ligands.
(Image credit: Dehui Zhang)

Optical nonlinearity advances lay foundation for visual computing

May 9, 2024
Researchers are making strides toward all-optical computing and making access to it, as well as to high-resolution imaging and sensing, easier and more widespread.
(Photo credit: Besim Mazhiqi, PHoQS, Paderborn University)
Test & Measurement

New tool determines characteristics of light-based quantum states

May 6, 2024
Researchers develop a technique to measure the quantum mechanical properties of electromagnetic fields at the single-photon level.
(Image credit: Zhaoyang Li)

Hyperbolic mirrors enhance petawatt laser focus

May 2, 2024
Researchers discover single-wavelength focal spots can be achieved by combining a rotational hyperbolic mirror with a parabolic mirror for current femtosecond petawatt-class lasers...
(Image credit: Harvard SEAS)

Metafluids with programmable optical properties?

April 26, 2024
A metafluid with tunable optical properties, compressibility, viscosity, and the ability to transition between a Newtonian and non-Newtonian fluid? Yes, really.

MIL-SPEC lenses have very low defect rate

March 7, 2024
A line of MIL-SPEC lenses provides a higher life expectancy than regular commercial-grade lenses, with a very low defect rate.
(Image credit: Duma Optronics)
Test & Measurement

Back to the future of electronic autocollimation

March 7, 2024
Upgrades to these sensitive measuring devices expand their usability in photonics applications.

Macro-lenses feature 30 mm outer diameter

March 4, 2024
MCM series macro-lenses offer macro-magnification from 0.1 to 6x with nearly zero distortion.
(Image credit: Adobe Stock | #70060409)
Software & Accessories

Optical design software: From nano to system scale

March 1, 2024
Design engineers must be able to perform highly accurate simulations at multiple scales to predict the performance of modern optical devices.