Infrared

Displaying 11 - 20 of 32

Eye don't believe it: Iris scanner protects your home

Eye don't believe it: Iris scanner protects your home
The new SFH 4787S Infrared LED (IRED) for iris scanners illuminates the eyes so evenly that the software identifying the iris pattern now hardly needs to correct artefacts. Like its predecessor (SFH 4786S), its direction of emission is slightly angled rather than vertical, thus simplifying the design process by eliminating the usual mechanical aids. 
27th February 2017

High-sensitivity InAsSb device added to infrared detector

High-sensitivity InAsSb device added to infrared detector
Hamamatsu Photonics K.K. has developed an uncooled InAsSb (indium arsenide antimonide) photovoltaic detector that offers high-speed and high-sensitivity detection of infrared light in the 3 to 11 micron wavelength range. The device, part number P13894-011MA, extends the upper limit of sensitivity of Hamamatsu’s InAsSb detectors from 8 microns to 11 microns, which will enable users to measure molecules that absorb longer wavelengths of light and therefore analyse more compounds with a single device.
16th January 2017

Nanocubes simplify printing in colour and infrared

Nanocubes simplify printing in colour and infrared
Duke University researchers believe they have overcome a longstanding hurdle to producing cheaper, more robust ways to print and image across a range of colours extending into the infrared. As any mantis shrimp will tell you, there are a wide range of "colours" along the electromagnetic spectrum that humans cannot see but which provide a wealth of information.
16th December 2016


Infrared LED emitter paves the way for food analytics

Infrared LED emitter paves the way for food analytics
Converter technology for infrared emitters is being used by Osram Opto Semiconductors to produce an LED that emits broadband infrared light in a wavelength range from 650-1,050nm. The main application is near-infrared spectroscopy, such as analysing food to measure fat, protein, water or sugar content.
7th November 2016

Expanding production of infrared detectors and emitters

Expanding production of infrared detectors and emitters
  Hamamatsu Photonics K.K. has announced the construction of a building no. 3 at its Miyakoda Factory to increase manufacturing capacity of compound semiconductor devices. This expansion is being done in anticipation of growing demand for detectors and emitters in various applications that utilise infrared light.
7th October 2016

Aspheric optics for the far infrared range

For most situations, spherical optics are used to focus laser beams. For applications requiring a very short focal length, spherical aberrations can become an issue. Aspheric lenses with at least one free-form surface produced using CNC polishing techniques can greatly reduce this effect. Ideally, aspherical lenses replace a system of several spherical lenses, thereby reducing weight and losses through surface scattering.
22nd September 2016

Near-infrared light could potentially treat PTSD

Near-infrared light could potentially treat PTSD
After years of studying the effects of near-infrared light on veterans with post-traumatic stress disorder or traumatic brain injuries, a team led by a University of Texas at Arlington bioengineer has published groundbreaking research in Nature's Scientific Reports that could result in an effective, long-term treatment for brain disorders. Professor Hanli Liu was the primary investigator on the project.
7th September 2016

Infrared windows – it’s a question of standards

Infrared windows – it’s a question of standards
The minimum requirements necessary for certifying a product to UL standards are usually sufficient to ensure the safe and reliable operation of the product, correct? Well, in the case of an infrared (IR) window this is not necessarily true as specific application details must be factored in before its use can be deemed ‘safe’. Martin Robinson, CEO of IRISS, offers a guide through the certifications which apply to infrared windows.
24th August 2016

InGaAs photodiode designed for near infrared spectrophotometry

InGaAs photodiode designed for near infrared spectrophotometry
  The InGaAs linear image sensor consisting of 512 pixels with a 25µm pixel pitch has been introduced by Hamamatsu Photonics. The G12230-512WB employs two InGaAs chips of different cut-off wavelengths, giving it a spectral response range of 950 to 2150nm.
15th August 2016

Improving Internet with mid-wavelength infrared

With a growing number of people connecting to the Internet everyday, Internet cables are under the threat of a "bandwidth explosion." Free-space optical (FSO) communication is a promising candidate to lighten the load. FSO uses visible or infrared light to wirelessly transmit data through open air as opposed to using cables, which have limited bandwidth. The technology provides a low-cost and low-power alternative to traditional radio-frequency wireless data links.
28th July 2016


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