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Multi-Camera Imaging Colorimeter

Westboro Photonics MCIC Multi-Camera Imaging Colorimeter

The Westboro Photonics MCIC is a multi-camera imaging colorimeter designed for high speed luminance and colour measurements in production applications. Compared with filter-wheel colorimeters, the MCIC has no moving parts and records CIE X1, X2, Y & Z (RGB) images simultaneously for the fastest possible data acquisition time.

Westboro Photonics MCIC Multi-Camera CMOS Imaging Colorimeter


Measurement throughput and reliability are critical requirements for production line testing. It is for these reasons that Westboro Photonics created the Multi Camera Imaging Colorimeter (MCIC). Significant speed and reliability gains can be realised with the MCIC's four simultaneous captures of the tristimulus channels. Unlike filter wheel imaging colorimeters, the MCIC has no moving parts, so instrument reliability is greatly increased. The powerful Photometrica® software and its SDK allow integration of the MCIC in a fully automated test line. The software features multi-threading and support for the latest USB3 CMOS high speed imaging photometers.

The MCIC is specifically designed for testing the uniformity of displays and backlights, defect testing of displays, LED display panel calibration, automotive headlamp beam pattern distribution analysis and alignment, and testing the uniformity of LED/SSL (solid state lighting) fixtures.

Westboro Photonics MCIC Imaging Colorimeters

Measurement Capabilities

The following photometric and colorimetric parameters can be measured using an MCIC multi-camera imaging colorimeter:

  • Spatial luminance (candelas per square meter, cd/m2)
  • Spatial illuminance (lux, lx)
  • Source luminous intensity (candelas, cd)
  • Spatial CIE chromaticity (1931 xy, 1960 uv, 1976 u'v' & L*a*b*)
  • Colour gamut
  • Gamma
  • Spatial correlated colour temperature (CCT, Kelvin and Duv)
  • Spatial dominant wavelength (nm)
  • OPTIONAL radiometric measurements (radiance & irradiance)

Measurement Speed

The MCIC’s CMOS imagers measure up to four tristimulus channels, spectrum and flicker simultaneously, whereas filter wheel systems measure each tristimulus image one after another. With no moving parts in the MCIC, there is no need to wait for a filter wheel to rotate and settle at each filter position, making the MCIC 4X faster than a filter wheel colorimeter. Threaded functions are supported by Photometrica® and its SDK when using multi-core PCs for fast data processing. Parallel high speed USB 3.0 connections from the host PC to each of the tristimulus imagers maximizes data throughput.

Westboro Photonics MCIC Multi-Camera Imaging Colorimeter

Matched Lenses

Each colorimeter has lenses that are matched to the sensor resolution and size, providing optimally crisp and clear images. By matching a lens to a particluar sensor, the images created using a Westboro colorimeter can be of a higher quality that supposedly higher resolution cameras without matched lenses.

Radiometric & Other Capabilities

Upon request, an MCIC imaging colorimeter can be factory configured with a radiometric filter, which provides for measurements of irradiance and radiance. The radiometric filter replaces the standard phoopic or colorimetric filter, and extends the wavelength sensitivity of the camera to that of the CMOS sensor, 350-1000nm. Calibration of the imaging radiometer must be performed by the user with reference to a spot spectroradiometer which is used to measure the output from the device under test. Other optionally available filters match the scotopic and circadian spectral sensitivities; IR and custom filters are also available.

Capable Software

Photometrica® software and optional software packages provide extensive options for measurement and analysis. The optional Photometrica Software Development Kit (SDK) allows for the creation of fully customised solutions using built-in scripting or external control. Click here for further details on Phometrica software.

 

Related Products
Datasheets
Brochures

> Option

Applications

> Automotive Lighting
> Automotive Displays & Controls
> Avionics Displays & Controls
> Beam Pattern Testing of
   Lighting Products
> Flat Panel Displays
> Lit Area Uniformity of Lighting
   Products
> Near-to-Eye Displays
> NIR facial recognition and
   proximity sensor testing
> Road Signs
> Vehicle Lighting

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