Abstract
Gradual shifts toward shorter wavelengths (blue shifts) in a suspended-single-droplet dye laser by successive laser pumping are reported. These shifts seem to be due partly to scattering objects produced by the successive pumping. Blue shifts in dye lasing from artificially seeded droplets are also examined and compared with those in the successive pumping. Results of the spectral shifts are discussed through a cavity Q-value variation.
© 1994 Optical Society of America
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