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The performance of a self-biased saturable absorber mirror operating via the Franz-Keldysh effect is studied experimentally. Very low saturation fluences, less than 1 µJ/cm2, are obtained. Results agree well with theoretical predictions.
Inspec keywords: mirrors; optical saturable absorption; reflectivity; electroabsorption; photovoltaic effects
Other keywords:
Subjects: Optical transient phenomena, self-induced transparency, optical saturation and related effects; Photoconduction and photovoltaic effects; photodielectric effects; Photoconducting materials and properties; Optical lenses and mirrors; Optical saturation and related effects; Electro-optical effects (condensed matter)