Abstract

Ultrashort pulses with ultrahigh tunable repetition rates up to 50 GHz are produced by the use of a solid-state saturable absorber film of polymethine dyes in a polymer matrix to mode lock a neodymium glass laser. The energy and the pulse duration of the ultrashort pulses and the stability of the train are measured. The shortest duration pulses produced are ∼ 4 ps with no noticeable change in the optical properties of solid-state dye films after several hundred shots of operation.

© 1993 Optical Society of America

Efficient high repetition rate synchronous amplification of a passively mode-locked femtosecond dye laser

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Nonlinear optical absorption of single-wall carbon nanotubes in carboxymethylcellulose thin polymerfilm and its application as a saturable absorber for mode-locking in pulsed Nd:glass laser

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