Articles

The highly anticipated 2026 SPIE Startup Challenge is now open for applications. Innovators in

High-precision photometers need to capture both extremely faint and very bright light, all without losing important detail. This balance depends

Modern industries depend on precise measurement tools to make sure displays, lighting products, and illuminated components meet demanding performance standards.

Light shapes how we see the world, but our eyes don’t treat every wavelength the same. If researchers want to

Lately, a striking optical illusion has been making the rounds on social media. It’s got people testing their eyesight and,

Light shapes how plants grow, adapt, and produce food. It’s not just about photosynthesis—different wavelengths actually influence plant structure, pigment

LED technology has completely changed how we measure and standardize light. We used to rely on traditional incandescent sources, but

Light never really shines as steadily as you’d think. Those subtle fluctuations, called flicker, can shift how we see brightness

In a pretty exciting leap for photonics, researchers in Hong Kong have created ultrathin metasurfaces that make high‑efficiency vectorial holography

Astronomers have always depended on careful measurements of starlight for classification, but multi-band photometry has really pushed this process to

Picking between CCD and CMOS detectors is a big deal in astronomical photometry. Both types turn light into data, but

Figuring out how far galaxies are from Earth is a big deal in cosmology. One of the main tools for

Modern photometric systems have moved far beyond manual processes. Automation now takes care of things like image registration, calibration, and

Quantum photometry is stepping beyond traditional light measurement by tapping into the principles of quantum mechanics. Instead of just using

Photometers sit at the heart of modern lighting engineering and design. They let us measure how light spreads, how people

The U.S. faces a real challenge in expanding digital connectivity. Right now, it produces only about 53% of the optical

Microsoft-backed scientists just pulled off a breakthrough in optical fiber tech that could really shake up global communications. By tweaking

The co-packaged optics (CPO) market is entering a wild growth phase, shaking up how next-gen AI and data centers work.

Portable photometers have really become must-haves for on-site analysis. They offer quick, reliable measurements without dragging around heavy lab gear.

Solid-state photodetectors play a key role in photometry, where precise measurement of light intensity and wavelength really matters. Unlike those

Photometric analysis sits right at the heart of material science and chemistry. It gives us a clear, reliable way to

PLDT, one of the Philippines’ biggest telco providers, has teamed up with Google’s Project Taara to roll out free-space optics

Photometric methods sit at the heart of atmospheric science. Scientists use them to see how aerosols and clouds interact with

Active galactic nuclei (AGN) and quasars are among the brightest things out there in the universe. Supermassive black holes at

Differential photometry sits at the heart of modern astronomy, letting us measure how a star’s brightness shifts over time with

Recent advancements in AMOLED display tech have finally started to tackle one of the trickiest problems out there—getting consistent, stable

Exoplanet research has exploded lately as astronomers chase down worlds outside our solar system. One of the best ways to

Adaptive optics has really changed how astronomers measure light from distant stars and galaxies. By correcting for the blurring caused

Neutral density filters play a vital role in managing light during photometric measurements. They reduce light intensity without changing its

High-speed photometry lets us peek into the rapid changes happening right on the surfaces of stars. By snapping up light

Large sky surveys depend on photometric systems to capture how celestial objects shine at different wavelengths. Astronomers use these systems

Starlight never reaches a telescope exactly as it left the star. As it travels through Earth’s atmosphere, molecules and tiny

Photometry sits at the heart of how we figure out changes in Earth’s climate. By measuring light from the Sun,

Photon counting has become a cornerstone in the design of ultra-sensitive photometers, giving us a way to measure extremely low

Measuring solar irradiance is at the heart of figuring out how much energy from the sun actually hits the Earth’s

The Internet of Things (IoT) keeps growing, and so do autonomous tech and wearables. All of this pushes us to

The telecommunications landscape is about to change in a big way, thanks to **hollow-core fiber (HCF)** technology. Instead of sending

Photometers play a crucial role in remote sensing by measuring light with impressive precision. Scientists rely on them to understand

Measuring light sounds straightforward, right? But if you want accuracy across different instruments or even different countries, you really need

Lighting terms pop up on packaging all the time, but honestly, they can get confusing fast. Lumens, lux, and candelas

A pioneering team of scientists, with support from Microsoft, just hit a new milestone in optical communications. They’ve unveiled a

Measuring how bright stars are has always fascinated astronomers, and photometry lets us do it with impressive precision. Photometry in

Getting a handle on how our eyes respond to light is at the heart of both science and technology. Spectral

Colorimetry and photometry show up together a lot when people talk about light and vision, but honestly, they’re not quite

This study from researchers at the Czech Technical University brings a new approach to evaluating and designing imaging sensors. They’ve

Photometric measurements really depend on keeping light under control, but even tiny disruptions can throw off results. The most common

Integrating spheres sit at the heart of photometric instrumentation because they let us measure light with impressive accuracy and control.

Filter photometers play a crucial role in optical measurement. They isolate specific wavelengths of light using carefully designed filters. Unlike

If you want to know how well a detector turns incoming light into something you can actually measure, you have

Photometers use light-sensitive components to measure and analyze light accurately. Usually, these devices rely on photoresistors, photodiodes, or photomultipliers to