Astronomy   View all facts   Glossary   Help

physical object > artifact > device > instrument > optical device > detector > photoelectric device > photocathode

photocathode
subject			fact

photocathode	has definition A thin metallic plate housed inside an evacuated tube capable of releasing electrons through the "photoelectric effect" when illuminated by light. These surfaces are best for optical and ultraviolet light.
	is a kind of photoelectric device
instrument	has operator
artifact	has creator
	has creation date
	has purpose
	has owner
physical object	has location or center of gravity
	has angular momentum
	has mass
	has velocity
	has momentum
	has temperature
	has volume
	has extent
	has material

Next photoelectric device: photomultiplier    Up: photoelectric device