Goniophotometers

Pro-Lite's goniophotometers perform angular analysis of light sources and displays. We a number of distinctly different flavours of goniophotometer tailored for specific applications. Our Optronik far-field goniophotometers are used to test vehicle lighting and road signs. The Labsphere LSA-3000 is designed for testing the angular intensity of single LED emitters. Our Radiant Imaging near-field goniophotometers are designed for evaluating flat panel displays and luminaires/solid state lighting. The Radiant Imaging Source Imaging Goniophotometers (SIG) are used to generate Radiant Source Model files for ray tracing and optical design. Lastly, the novel Imaging Sphere from Radiant Imaging is an ultrafast goniophotometer for testing the output of small light sources, LEDs and displays.

Far-Field Automotive Goniophotometers

FPMS Display Goniophotometer

Imaging Sphere Goniophotometer

Motorised, far-field goniophotometer systems from Optronik provide fully automated testing of vehicle front and rear lighting of any size as well as road traffic signs and retro-reflecting materials.

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Radiant Imaging's FPMS combines a motorised goniometer stage with a ProMetric CCD imaging photometer to perform a near-field analysis of the view angle of flat panel displays. With the FPMS you determine the spatial luminance and colour uniformity of the display for one angle at a time.

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The Imaging Sphere from Radiant Imaging is an innovative, ultrafast goniophotometer for instananeous angular analysis of light sources, and displays. With the Imaging Sphere, you measure the light distribution for all angles at a time for one spot on the display. The Imaging Sphere also functions as a BRDF & BTDF scatterometer (see: Measurement with Light).

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LSA-3000 LED Goniophotometer

NFMS Luminaire Goniophotometer

Source Imaging Goniophotometers

The Labsphere LSA-3000 performs relative luminous intensity measurements of single LED emitters. When combined with an I-1000 or I-2000 intensity head and CDS-series spectrometer, the LSA-3000 can also perform absolute spectral radiant intensity measurements at fixed angles.

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The NFMS from Radiant Imaging combines a motorised goniometer stage with a ProMetric CCD imaging photometer to perform a near-field angular analysis of the luminance and colour from LEDs, luminaires and solid state lighting. ProSource software then scales this to equivalent far-field luminous intensity data from which standard photometric files are generated (IES, EULUMDAT).

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The SIG series from Radiant Imaging are state-of-the-art source imaging goniophotometers. These are used to perform precise, near-field measurements of the luminance and colour versus angle from individual light sources (lamps, LEDs). This is the instrument that we use to generate the industry-standard Radiant Source Model files which are used in optical design and ray tracing.

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