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Pulsed FM mode locking of a Nd:BEL laser
Optics Letters
|September 25, 2009
Summary
A new, simple mode locker was developed for a diode-pumped Nd:BEL laser. This system achieved stable, 7.5-picosecond mode-locked pulses at a 250 MHz repetition rate.
Area of Science:
- Laser physics
- Optoelectronics
Background:
- Diode-pumped solid-state lasers are crucial for various applications.
- Mode-locking is essential for generating ultrashort laser pulses.
Purpose of the Study:
- To develop and demonstrate a novel, simple, and practical mode locker for a diode-pumped Nd:BEL laser.
Main Methods:
- A lithium niobate (LiNbO3) crystal was used for electro-optic phase modulation.
- Fast electrical pulses from a comb generator were employed to drive the LiNbO3 crystal.
Main Results:
- Stable mode-locked pulses with a duration of 7.5 picoseconds were successfully obtained.
- The laser system operated at a repetition rate of 250 MHz.
Conclusions:
- The demonstrated mode locker is effective for generating short pulses from diode-pumped lasers.
- The simplicity and practicality of the design make it suitable for various laser applications.
