Picosecond-gated optical amplifier
- 15 October 1975
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 27 (8), 450-452
- https://doi.org/10.1063/1.88513
Abstract
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.Keywords
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