• May 15, 2026 crystalline lasers physical processes and operatin These principles work in concert within the crystalline medium to produce laser light. Energy Level Structures in Crystalline Media Crystalline laser materials are doped with ions such as neodymium (Nd³⁺), ytterbium (Yb³⁺), erbium (Er³⁺), or titanium (Ti³⁺), each possessin BY Mr. Ronald Bartell
