Picosecond-gated optical amplifier
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A picosecond-gated optical amplifier (PGOA) characterized by high gains (≳102), large extinction ratios (∼105), and short aperture times (∼10 psec) is described. The active component of the system is a saturable absorbing dye which is irradiated by a high-intensity ultrashort laser pulse. The technique is illustrated by simultaneously gating and amplifying a weak picosecond continuum pulse propagating through a scattering medium. Performance characteristics of the PGOA and ultrafast shutters are compared.
author list (cited authors)
Busch, G. E., Greve, K. S., Olson, G. L., Jones, R. P., & Rentzepis, P. M.