USABLE LIGHT

A study conducted by researchers at the University of the Witwatersrand (Wits) and collaborators from Mexico, Scotland, and the University of Pretoria aims to explain the rules governing the complex...

Compared to conventional light sources, such as OLEDs and LCDs, micro-LEDs — inorganic LED chips <100 μm in size — show superior reliability, stability, and optoelectronic...

Technologies like integrated signal distributing, processing, and sensing networks require basic optical elements such as waveguides, splitters, gratings, and optical switches to be miniaturized....

A research team from imec has developed perovskite-based LEDs that emit light 1000× brighter than OLEDs. According to the researchers, the advancement is a pivotal milestone toward a perovskite...

Displays continue to increase in resolution and pixel density. Microdisplays such as those used for AR/VR/MR devices and smart watches can have hundreds or even thousands of pixels per inch (PPI). At...

The diversity of XR devices and their measurement requirements continue to grow — new display types, fields of view, resolutions, focal distances, form factors, and unique combinations of these...

The diversity of XR devices and their measurement requirements continue to grow — new display types, fields of view, resolutions, focal distances, form factors, and unique combinations of these...

The GP-CVM600P series of 600-W LED constant voltage drivers from GlacialPower include nondimming, 3-in-1, and DALI-2 dimming versions. The direct-current output voltages include 12, 24, 36, 48,...

An integrating sphere’s function is to spatially integrate radiant flux (light). However, before one can optimize a sphere design for a particular application, it is important to understand how...

Since its first successful operation in 1960 at Hughes Research Labs, the laser technology has been at the center of innovation and research. Semiconductor lasers first made their appearance in 1962...

In the beginning, automated inspection focused on the camera and optics, the algorithms, the interface hardware and the processor. Only rarely was attention paid to the lighting system or lighting...

High-brightness LEDs have found their way into applications such as signs and displays, cell phone flash modules, automotive lighting and general illumination. Some applications, however, such as...

Discover the power of light guides with our free whitepaper! Learn about total internal reflection, surface features, and performance parameters with ease. Elevate your expertise and stay ahead in...

The market for the tunable light source is ever expanding due to its uses in countless fields, such as the inspection industry, machine visioning, and a wide range of optical experiments....

The optoelectronic properties of an OLED device are mapped using an RMS1000 Confocal Raman Microscope in spectral and time-resolved photoluminescence and electroluminescence imaging modes. These...

Understanding the interplay of optical filters, microscope light source and fluorophore selection can be a complex task, especially when it comes to multi-channel imaging. However, the selection of...

Light can be used to understand, study, and spectroscopically characterize the many components that may exist in water. Stephanie Butron and Eric Mesa of Hamamatsu Corp. discuss the various markets...

Presenters: Professor Stephen Boppart The Future of Healthcare With Optical Biomedical Imaging A medical doctor and professor at the University of Illinois, Boppart's...

If you are interested in learning how QDs are currently used in displays and how the same materials are being engineered to yield even brighter, more efficient, better colors for future displays,...

Since their debut over a decade ago, LEDs have had an ever increasing impact on the world of fluorescence microscopy. To appreciate this growth in popularity, Alex Gramann addresses many of the...

An infrared light source is a device that emits light in the infrared spectrum, which lies beyond the visible spectrum of light. Infrared light has longer wavelengths than visible light and is...

Epitaxial equipment refers to a set of specialized tools and systems used in the process of epitaxy, which is the growth of crystalline layers on a substrate material. Epitaxial growth is a critical...

Optical materials refer to substances or compounds specifically chosen for their optical properties and used in the fabrication of optical components and systems. These materials are characterized by...

An LED (light-emitting diode) is a semiconductor device that emits light when an electric current passes through it. LEDs are commonly used for lighting, displays, and indicators. A NanoLED is on the...

A DXOMARK score is an objective benchmark of a device’s performance under real user conditions. To score smartphone displays, DXOMARK evaluates display readability in scenarios from web browsing to...

Watch a quick demo to see how scientific imaging systems enable fully automated visual inspection of illuminated displays and display components. ProMetric Imaging Colorimeters and TrueTest™ Software...

A Nobel Prize for blue LEDs, integrated photonics manufacturing competition, photonic crystals for solar energy, and our EDU Spotlight. That’s this week on Light Matters.

A pair of solar-power crusaders has embarked on a mission to fly around the world without using a drop of fossil fuel. Check out their photovoltaic flying machine this week on Light Matters!

A superluminescent light-emitting diode is an emitter based on stimulated emission with amplification but insufficient feedback for oscillation to build up.

An infrared light-emitting diode (IR LED) is a semiconductor device that emits infrared light when an electric current passes through it. Similar to standard LEDs that emit visible light, IR LEDs are...

Excelitas Technologies® Corp. is a leading industrial technology manufacturer focused on delivering innovative, market-driven photonic solutions to meet the illumination, optical, optronic,...

The Optical Engineering Experts® Optikos designs and manufactures metrology products for measuring and assuring optical image quality; and provides optical engineering design, development,...

Lumispot Tech, a leading scientific and technical enterprise, specializes in advanced rangefinder module, laser diode, LiDAR laser source, DPSS laser, solid-state, and fiber lasers, as well as...

Avantes has spent the last 30 years refining its mission as a trusted and innovative optical instruments and solutions source. Focused on applications and measurements, Avantes offers Spectrometers,...