AI Article Synopsis
- A new conductively cooled Q-switched 2 μm laser was developed using a specific type of laser rod (Tm,Ho:LLF), achieving an output of 30 mJ per pulse at a frequency of 5 Hz.
- The laser rod showed no unwanted oscillations even at maximum pump levels, thanks to its polished surfaces.
- It also demonstrated broad tunability, with a range from 2051 nm to 2069 nm, showing good agreement between measured and calculated tuning characteristics.
Article Abstract
We have developed a conductively cooled, Q-switched 2 μm laser with a triangular-prism Tm,Ho:LLF rod. Using a fused-silica acousto-optic Q-switch, the laser produced an output energy of 30 mJ in a single Q-switched pulse at a pulse repetition frequency of 5 Hz. Although the laser rod had polished lateral surfaces, no parasitic oscillation occurred, even at the maximum pumping level. In addition, broadly tunable laser performance was achieved with a birefringent filter plate under relatively large output coupling. The laser could be continuously tuned from 2051 to 2069 nm. Measured tuning characteristics were in reasonable agreement with calculated results.
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| http://dx.doi.org/10.1364/AO.51.001236 | DOI Listing |
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