Relocating LEDs Enhances Efficiency

Researchers from Sun Yat-sen University and École Polytechnique Fédérale de Lausanne (EPFL) have made progress in the use of interferometry to decipher orbital angular momentum...

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...

High resolution and high definition are key to delivering a realistic visual experience in augmented reality (AR) and other immersive technologies. Inexpensive micro-LEDs that enable full-color...

Researchers have developed an all-light communication network that enables seamless connectivity across space, air and underwater environments. The new network design combines different types of...

The SF1 series of UV-C LEDs from Silanna UV cost effectively and quickly detects nitrates in water. Designed for low-power, cost-effective contamination detection, the devices are based on...

The LM-79 Moving Detector Goniophotometer (Mirror Type C) from Lisun Electronics is an automatic light distribution intensity 3D curve testing system for measuring LEDs, plant lighting, indoor and...

The GP-CVP075P-xxVH-T02 Series from GlacialPower are constant voltage LED drivers that have an AC phase-cut dimming feature. Covering demands for LED strip, neon flex, signage, and light box markets,...

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,...

The market for flat panel displays (FPDs) has undergone tremendous growth, driven mostly by increased demand for televisions, cell phones, computers, digital cameras and MP3 players. Similarly,...

An interferometer is an instrument that compares the position or surface structure of two objects. The basic two-beam division of amplitude interferometer components consists of a light source, a...

The wavelength range of commercially available LEDs with single-element output power of at least 5 mW is 275 to 950 nm. Each wavelength range is made from a specific semiconductor material family,...

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...

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...

Specifications for illumination systems for biomedical imaging and industrial metrology generally converge on spectral, spatial and temporal light output characteristics. This article describes some...

Answering some common questions new users of optical design and analysis software have are “How accurate are the results?” or “Can I trust the results I get?” and discussing the importance of...

In this white paper, Dr. Iain Johnson, Lumencor’s Director of Technical Support, tests Lumencor’s laser-based CELESTA Light Engine for consistency, power, and stability using continuous wave...

A new generation of visible laser light sources is being developed to enable advanced optical control through the use of miniature optics and reflectors, high-efficiency fiber optic transport, and...

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,...

Data glasses and wearables like fitness trackers are changing the way many of us live, as well as enhancing vision capabilities in industry and defense. In this webinar sponsored by Radiant Vision...

Real-time monitoring of nanoparticle delivery within biological models is essential for the optimization of nanoparticle-mediated therapies, but few techniques exist to conveniently monitor...

Gallium nitride-based light-emitting diodes (GaN-based LEDs) are semiconductor devices that emit light when an electric current passes through them. These LEDs are constructed using gallium nitride...

Chip-on-board (COB) lights refer to a type of LED lighting technology where multiple LED chips are directly mounted onto a substrate, typically a printed circuit board (PCB), without the need for...

A lumen is a unit of measurement used to quantify the amount of luminous flux, which is the perceived power of light. In other words, the lumen measures the total amount of visible light emitted by a...

Optoelectronics is a branch of electronics that focuses on the study and application of devices and systems that use light and its interactions with different materials. The term "optoelectronics" is...

On this month's episode of Light Matters, we introduce you to a green energy company that is transforming China's national treasure — the giant panda — into panda-shaped solar farms. We also bring...

In this month's Light Matters Extra, we take you to the Quantum Photonics Laboratory at MIT run by Dr. Dirk Englund. Dr. Englund's group, the Quantum Photonics Group, is made up of postdocs and...

On this month's episode of Light Matters, we take you to the South by Southwest (SXSW) Trade Show in Austin, Texas, as new photonics innovations hit the show floor of the Austin Convention Center....

Members of the Capasso Group at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have successfully encoded multiple holographic images in a metasurface. The separate...

A calibrated light source is a lamp whose output can be traced to a standard light source.

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,...

Your partner for all spectral, color and light measurements Admesy is a well-known brand for a wide range of user-friendly and robust light and color measurement devices, suited for both...

In 1977, Dale Flaming, a scientist working at the University of California at San Francisco, was having difficulty reliably producing micropipettes. He developed the first electronically controlled...

Founded in 1971, Edinburgh Instruments Ltd. is a global provider of sophisticated, state-of-the-art analytical instrumentation for optical spectroscopy. We design and manufacture a range of...