Saturable Absorber: Transparent Glass-Ceramics Based on Co2+, Ga2 O3 -doped ZnO Nanocrystals
2018 International Conference Laser Optics (ICLO)(2018)
Abstract
A saturable absorber for Er lasers - transparent glass-ceramics with nanosized (6 nm) Co
2+
, Ga
2
O
3
-doped ZnO crystals is developed. It exhibits a broad
4
A
2
(
4
F) → 4T1(4F) absorption band of Co
2+
ions in tetrahedral sites. At ~1.54 μm, the saturation intensity is 0.7±0.1 J/cm
2
and the laser damage threshold is as high as 25±2 J/cm
2
.
MoreTranslated text
Key words
spectroscopy,solid lasers,optical saturation
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