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Efficient laser operation of Pr3+, Mg2+:SrAl12O19
F Reichert1, D-T Marzahl, P Metz
1Institute of Laser-Physics, University of Hamburg, Hamburg 22761, Germany. Fabian.Reichert@physnet.uni‑hamburg.de
Optics Letters
|December 4, 2012
Summary
This study demonstrates room-temperature, continuous-wave laser operation in a novel Pr3+,Mg2+:SrAl12O19 ceramic laser. This research achieves green, orange, red, and deep red emissions, paving the way for new laser applications.
Area of Science:
- Materials Science
- Laser Physics
- Solid-State Spectroscopy
Background:
- Pr3+ and Mg2+ doped strontium aluminum oxide (SrAl12O19) are promising materials for solid-state lasers.
- Developing efficient room-temperature lasers in various spectral ranges remains a key challenge.
Purpose of the Study:
- To report on the laser operation of Pr3+,Mg2+:SrAl12O19.
- To demonstrate continuous-wave (cw) laser operation in the green spectral range at room temperature.
- To achieve efficient laser operation in the orange, red, and deep red spectral ranges.
Main Methods:
- Laser operation was achieved using a frequency-doubled optically pumped semiconductor laser (OPOPL).
- A V-type cavity configuration was employed for laser oscillation.
- Output power and emission wavelengths were measured.
Main Results:
- Continuous-wave laser operation was demonstrated at room temperature in the green spectral range.
- This is the first reported instance of laser operation in this specific doped oxide host.
- Efficient laser operation was achieved in the orange, red, and deep red spectral ranges.
- Output powers exceeding 1.1 W were recorded at 643.6 nm and 724.4 nm.
Conclusions:
- Pr3+,Mg2+:SrAl12O19 is a viable material for efficient, room-temperature laser operation across multiple visible and near-infrared wavelengths.
- The use of a V-type cavity and OPOPL pumping enables versatile laser performance.
- This work expands the potential applications of doped oxide lasers.
