How to clean Excelitas Infrared Emitting Diodes (IREDs)?
Infrared Emitting Diodes (IREDs) are solid state light sources emitting in the near infrared part of the spectrum. The emission wavelength is […]
IRED Axial Power Out Measurement
The on-axis power emitted by an IRED is measured by placing a detector, with a given active area, at some
IREDs With Narrow Beam Patterns
A wide angle IRED distributes its radiant flux as shown below. Most of the flux impinges on the lens surface
Photometric and Radiometric Terms: STERANCE
In order to describe the sensitivity of photodetectors or the brightness of light sources, it is necessary to define the
Photometric and Radiometric Terms: SOLID ANGLE
In order to describe the sensitivity of photodetectors or the brightness of light sources, it is necessary to define the
Photometric and Radiometric Terms: INTENSITY
In order to describe the sensitivity of photodetectors or the brightness of light sources, it is necessary to define the
Photometric and Radiometric Terms: INCIDENCE
In order to describe the sensitivity of photodetectors or the brightness of light sources, it is necessary to define the
Photometric and Radiometric Terms: EXITANCE
In order to describe the sensitivity of photodetectors or the brightness of light sources, it is necessary to define the
Photometric and Radiometric Terms: FLUX
In order to describe the sensitivity of photodetectors or the brightness of light sources, it is necessary to define the