Author: Efi Rotem

Laser Applications in OLED and microLED Display Manufacturing

Displays are all around us, from large TV screens to tiny displays inside AR/VR gear just in front of our eyes. Display technology has come a long way from the days of the bulky cathode ray tubes to transparent and flexible OLED displays utilizing light emitting organic molecules! As new technologies take their place on…

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LED is in, Tungsten is out, even as a calibration standard

The FGC100 LED calibration standard is used to calibrate the FluxGage LED luminaire measurement system.
Radiometric measurement systems have relied on tungsten filament lamps as a calibration standard for years. Why should be FGC100 be any different?

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Zeroing and Offset in Thermopile Power Sensors

A Thermopile power sensors may give a reading even when there is no laser radiation pointed at them. Here’s how you can deal with it…

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Measuring irradiance of non-collimated light

In some applications laser or LED light is illuminating a certain area. In those applications it may be more practical to measure the irradiance or power density in [W/cm2] rather than to measure the power in [W]. So why not simply take a PD300 sensor, measure the power and divide by its area which is…

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White Paper: Measuring LED Power with Thermal Sensors

LED’s are used today in many applications with the most prominent being the lighting of our homes, streets and businesses. Despite their clear advantages, measurement techniques of the power, flux and spectrum of LEDs is not very different from that of traditional types of lamps.

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