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Continuous-wave mode-locked 2- microm Tm: YAG laser
Optics Letters
|October 2, 2009
Summary
Continuous-wave mode-locked operation of a thulium-doped yttrium aluminum garnet (Tm: YAG) laser was achieved. This laser system generated stable, transform-limited pulses at 35 picoseconds with 70 mW average output power.
Area of Science:
- Lasers and Photonics
- Solid-State Lasers
- Quantum Electronics
Background:
- Thulium-doped lasers (Tm: YAG) are crucial for generating mid-infrared radiation.
- Mode-locked operation enables the generation of ultrashort laser pulses.
- Achieving stable, high-quality pulses is essential for various scientific and industrial applications.
Purpose of the Study:
- To demonstrate continuous-wave mode-locked operation of a Tm: YAG laser.
- To characterize the temporal and power output of the generated laser pulses.
Main Methods:
- Utilized a Tm: YAG crystal in a continuous-wave laser cavity.
- Implemented a mode-locking technique to generate ultrashort pulses.
- Measured pulse duration, repetition rate, and average output power.
Main Results:
- Successfully achieved stable continuous-wave mode-locked operation.
- Generated transform-limited pulses with a duration of 35 picoseconds.
- Obtained an average output power of 70 mW at a repetition rate of 300 MHz.
Conclusions:
- Demonstrated the feasibility of generating high-quality ultrashort pulses from a Tm: YAG laser.
- The achieved pulse characteristics are suitable for applications requiring precise temporal resolution.
- This work contributes to the development of advanced laser sources in the mid-infrared spectrum.
