Gallium nitride-based light-emitting diodes (GaN-based LEDs) are semiconductor devices that emit light when an electric current passes through them. These LEDs are constructed using gallium nitride (GaN) as the semiconductor material. GaN-based LEDs...

Phototherapy is a medical treatment that involves the use of light to treat various conditions, particularly those related...

Mie scattering, named after the German physicist Gustav Mie, refers to the scattering of electromagnetic radiation (such as...

RGB stands for red, green, blue, which are the primary colors of light used in additive color mixing. The RGB color model is...

The effect by which sufficiently small particles will scatter blue light at right angles to the incident beam. This...

The study of flames by means of a laser emitting blue light and a spectrometer to measure the green fluorescence created by...

An aberration that remains after primary color is corrected. Primary color causes the back focus of a lens to vary with...

An optical instrument that uses a yellow light of varying intensity with red and blue lights of fixed intensity to test for...

A CCD that has been reduced in thickness by etching so that light passes through the back layers of the CCD. This type of...

Quantum dot light-emitting diode (QLED) is a display technology that utilizes quantum dots, which are semiconductor...

A material used in photodynamic therapy that is retained selectively by tumor tissue when injected into the body; it then...