UV LEDs for Atmospheric Chemistry Research
This work was performed at University of British Columbia to develop a modular, energy-efficient, and spectrally tunable lighting system for photochemical experiments for simulating stratospheric, tropospheric and indoor light conditions.
Ultra-Narrow Beam Lenses for UV LED Systems
This technical application note provides information on Violumas’ ultra-narrow beam lenses and their use in UV LED systems. It introduces the underlying optical principles, key performance considerations, and potential applications of Violumas’ ultra-narrow beam angle – the Viobeam Product. The document is intended to help users understand how these lenses can be used to achieve precise, focused UV illumination in demanding applications.
Thermal Management of UV LEDs: Cooling Techniques for an Optimal Performance
Although UV LEDs have a compact form factor, they generate a substantial amount of heat through a small surface area
Understanding UV LED Lifetimes
This technical note is intended to introduce how UV LED lifetimes are determined and the parameters which affect them.
Selecting Optics for an LED System
This technical note is intended to provide an introduction to beam shaping optical components which can be used with Violumas LEDs.
Violumas Offers More UVC Intensity in Next Gen UV LEDs
Violumas, provider of high-power UV LED solutions and inventor of 3-PAD LED technology, has released its next-generation 255nm, 265nm, and 275nm LEDs in both SMD and COB configurations. The radiant flux of the new 275nm and 265nm LEDs has increased by 10-30% from the previous generation, to achieve 65mW (255nm), 130mW (265nm), and 145mW (275nm) […]
Thermal Management of UV LEDs: From Junction Temperature to System Reliability
Light-emitting diodes have proven their benefits and have been adopted at a large scale in many general lighting applications.
Driving LEDs using Pulse Width Modulation
This technical note is intended to provide an introduction to the pulse width modulation
technique (PWM) which can be used to drive Violumas LEDs.
SMD and COB UV LED Products – A Comparative Overview
Light-emitting diodes are available in various form factors to enable different types of applications. The most commonly available UV LED products are offered as Surface Mount Devices or SMDs.
Microbial Study Results Using Violumas UVC LEDs
Ultraviolet light has been proven to have germicidal properties and has been used for many water, air and surface disinfection applications.