Mode-locking of a phase conjugating laser oscillator with a nonlinear mirror based on stimulated Brillouin scattering

We set up a mode-locked Nd:YAG laser oscillator with a broad flexibility in the temporal structure of the emitted pulses. The pulses are generated by a laser oscillator with a phase conjugating mirror based on stimulated Brillouin scattering (SBS). The nonlinear SBS-mirror also serves as a passive Q...

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Bibliographic Details
Main Authors: Ostermeyer, M., Kappe, P., Menzel, R.
Format: Conference Proceeding
Language:English
Subjects:
Acoustic pulses
Brillouin scattering
Laser mode locking
Laser theory
Mirrors
Optical pulse generation
Optical pulses
Oscillators
Pulse modulation
Space vector pulse width modulation
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Summary:We set up a mode-locked Nd:YAG laser oscillator with a broad flexibility in the temporal structure of the emitted pulses. The pulses are generated by a laser oscillator with a phase conjugating mirror based on stimulated Brillouin scattering (SBS). The nonlinear SBS-mirror also serves as a passive Q-switch of the laser oscillator. An active loss modulator is used to modulate the losses thereby supporting the inherent mode locking of the SBS-mirror actively. The laser action starts in a start resonator with the leading edge of a spike. The acoustic modulation frequency together with the appropriate resonator length of 187.5cm results in a temporal spacing of the mode-locked pulses of 12.5ns.
DOI:10.1109/CLEOE.2005.1567811