The origin of excited-state absorption (ESA) that plagues the performance of Ti:YAlO3 as a laser material is discussed. It is proposed that two populations of Ti3+ exist in YAlO3. Those that have a lower photoionization threshold have to be eliminated to prevent the ESA from affecting lasing.
Ti:YAlO3vibronic transition: can lase or cannot?
Tunable Solid State Lasers ; 1996 ; Wroclaw,Poland
Proc. SPIE ; 3176
1997-11-01
Conference paper
Electronic Resource
English
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