a knowledge base provided by Kentek with reference and discussion board information about laser technology, laser safety, and photonics history
May 26, 2014 By laserhelpers2
Abbreviation for Infrared.
Radiant power incident per unit area upon a surface, expressed in watts-per-centimeter-squared (W·cm-2). Symbol: E
March 10, 2014 By laserhelpers2
Exposure to radiant energy, such as heat, X-rays, or light; the product of irradiance and time.