Tagphysics

femtosecond

femtosecond  n.— «The shortest visible and infrared laser pulses are typically just a few femtoseconds…in duration and contain just a few cycles of the laser field.» —“Beating the femtosecond limit” Physics...

femtosecond

femtosecond n. 10 to the -15th power or 0.000000000000001 second, equalling a quadrillionth of a second or 0.3 light microns. Editorial Note: Commonly used in measurement of light in laser or light-related technologies. Etymological Note: Danish or...