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Q switching by saturable absorption in microdroplets: elastic scattering and laser emission

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Abstract

Laser-induced modification of cavity Q’s has been achieved in a microdroplet containing a saturable absorber. The elastic-scattering spectra from such droplets for higher incident intensities show that cavity Q’s are increased when the absorption is bleached. The lasing spectra from a droplet containing a saturable absorber and laser dye are modified when an intense bleaching field is injected into the droplet cavity after the pump field has initiated the lasing.

© 1997 Optical Society of America

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