White Light Emitting Diodes (LED) replace HID lamps in street lighting system to include a dimming feature. A microcontroller of 8051 family is used to control the intensity by developing pulse width ...

Question: How could I measure the light intensity of different light sources? Answer: Take a red, green, blue LED. Determination of the light intensity can be crucial, for example, if you want to ...

It may contain inaccuracies due to the limitations of machine translation. The research team led by Professor Lee Jong-won (bottom row, center) of the Department of Electrical and Electronic ...

Engineers built a nanoscale optical device that uses voltage to control light's phase and intensity, advancing quantum communication and compact optical technologies. The device, developed by ...

The ability to control the wavefront of light is fundamental to focusing and redistribution of light, enabling many applications from imaging to spectroscopy. Wave interaction on highly nonlinear ...

A project at Lawrence Livermore National Laboratory (LLNL) and Sandia National Laboratories has identified a new way to optimize the quality of 3D-printed thermoplastics. Described in Science, the ...