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Tunable ultraviolet intracavity tripled Ti:sapphire laser
Optics Letters
|November 21, 2007
Summary
We developed the first intracavity tripled titanium-sapphire laser, tunable from 275-285 nm. This laser offers high optical yield and single-frequency operation for atmospheric radical detection.
Area of Science:
- Laser physics
- Spectroscopy
- Atmospheric chemistry
Background:
- Titanium-sapphire lasers are widely used for tunable light generation.
- Detection of atmospheric radicals like hydroxyl (OH) and nitric oxide (NO) is crucial for air quality monitoring.
- Existing laser sources may lack the specific wavelength or performance required for sensitive radical detection.
Purpose of the Study:
- To develop and characterize a novel intracavity tripled Ti:sapphire laser.
- To achieve tunability in the 275-285 nm spectral range.
- To enable sensitive detection of atmospheric species.
Main Methods:
- Intracavity frequency tripling of a Ti:sapphire laser.
- Diode laser injection seeding for single-frequency operation.
- Characterization of tunability and optical yield.
Main Results:
- Demonstration of the first intracavity tripled Ti:sapphire laser.
- Achieved tunability in the 275-285 nm range.
- Obtained single-frequency operation with high optical yield (>50%) through diode laser injection.
Conclusions:
- The developed laser source is a significant advancement for atmospheric sensing.
- Its performance characteristics make it suitable for detecting critical atmospheric radicals.
- This technology opens new possibilities for real-time air quality monitoring.
