Search
Menu
Sheetak -  Cooling at your Fingertip 11/24 LB
Photonics Dictionary

three-level laser

A laser having a material, such as ruby, that has an energy state structure of three levels: the ground state (1) wherein excitation applied to the material raises ions in the material into the broadband level (2) from which the ions spontaneously transfer to a lower, densely occupied level (3) emission of radiation (fluorescence) indicates the spontaneous return to ground level.
 
We use cookies to improve user experience and analyze our website traffic as stated in our Privacy Policy. By using this website, you agree to the use of cookies unless you have disabled them.