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Diode-pumped passively mode-locked and passively stabilized Nd3+:BaY2F8 laser
Antonio Agnesi1, Annalisa Guandalini, Alessandra Tomaselli
1Istituto Nazionale di Fisica della Materia e Dipartimento di Elettronica dell'Universitá di Pavia, Via Ferrata, Pavia, Italy.
Optics Letters
|August 18, 2004
Summary
Continuous-wave mode locking (CW-ML) was achieved for a diode-pumped Nd3+:BaY2F8 laser, producing 4.8 ps pulses. A new passive stabilization technique for CW-ML was also demonstrated.
Area of Science:
- Laser Physics
- Materials Science
Background:
- Diode-pumped solid-state lasers are crucial for various applications.
- Nd3+-doped fluoride crystals offer unique optical properties.
- Mode-locking techniques are essential for generating ultrashort laser pulses.
Purpose of the Study:
- To report the first continuous-wave mode locking (CW-ML) of a diode-pumped Nd3+:BaY2F8 laser.
- To characterize the performance of this novel laser system.
- To demonstrate a new method for passive stabilization of CW-ML.
Main Methods:
- Utilized a diode laser for pumping the Nd3+:BaY2F8 crystal.
- Implemented a mode-locking mechanism to generate ultrashort pulses.
- Employed a novel technique for passive stabilization of the mode-locking operation.
Main Results:
- Achieved CW-ML of the diode-pumped Nd3+:BaY2F8 laser for the first time.
- Generated pulses with a duration as short as 4.8 picoseconds (ps).
- Obtained a total output power of approximately 1 W at 1049 nm with 3.4 W of absorbed pump power.
Conclusions:
- Demonstrated the feasibility of CW-ML in diode-pumped Nd3+:BaY2F8 lasers.
- The developed passive stabilization technique enhances the reliability of CW-ML.
- This work opens possibilities for new applications requiring ultrashort pulses from this laser material.