Abstract
Using the intracavity optical Kerr effect, we achieve self-starting wavelength-tunable passive mode locking in a Rhodamine 590 dye laser. With an external grating pair for group-velocity-dispersion compensation, 1.1-ps pulses of approximately twice the bandwidth of the Fourier-transform limit are obtained. Mode locking is started by a dilute saturable absorber jet, and the wavelength is tuned from 579 to 602 nm with a birefringent filter.
© 1993 Optical Society of America
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