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Abstract
The ultrafast laser inscription technique has been used to fabricate channel waveguides in Tm3+-doped Lu2O3 ceramic gain medium for the first time to our knowledge. Laser operation has been demonstrated using a monolithic microchip cavity with a continuous-wave Ti:sapphire pump source at 796 nm. The maximum output power achieved from the Tm:Lu2O3 waveguide laser was 81 mW at 1942 nm. A maximum slope efficiency of 9.5% was measured with the laser thresholds observed to be in the range of 50-200 mW of absorbed pump power. Propagation losses for this waveguide structure are calculated to be 0.7 dB⋅cm−1 ± 0.3 dB⋅cm−1 at the lasing wavelength.
Original language | English |
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Pages (from-to) | 14910-14917 |
Number of pages | 8 |
Journal | Optics Express |
Volume | 25 |
Issue number | 13 |
Early online date | 20 Jun 2017 |
DOIs | |
Publication status | Published - 26 Jun 2017 |
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Dive into the research topics of '1.9 µm waveguide laser fabricated by ultrafast laser inscription in Tm:Lu2O3 ceramic'. Together they form a unique fingerprint.Projects
- 1 Finished
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CDT Applied Photonics with Heriot Watt: Heriot-Watt led Applied Photonics Centre for Doctoral Training
Turnbull, G. (PI)
1/09/14 → 28/02/23
Project: Standard
Profiles
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C Tom A Brown
Person: Academic