Theory of acousto-optical Bragg diffraction of ultra-short laser pulses in dispersive crystals

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Theory of acousto-optical Bragg diffraction of ultra-short laser pulses in dispersive crystals

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A theoretical analysis of collinear acousto-optical diffraction of ultra-short laser pulses for strong interaction is presented. The model simultaneously considers Bragg diffraction and group delay of wave packets. The new theoretical approach reveals transformation of the pulse envelope and pulse spreading even in a medium without group delay dispersion. These results are crucial for precise characterisation of acousto-optical dispersive delay lines.

Inspec keywords: acousto-optical devices; Bragg gratings; acoustic delay lines; optical delay lines; high-speed optical techniques

Other keywords: pulse spreading; wave packets; acousto-optical Bragg diffraction; dispersive crystals; collinear acousto-optical diffraction; group delay; ultra-short laser pulses; pulse envelope; acousto-optical dispersive delay lines

Subjects: Acousto-optical devices; Ultrafast optical techniques; Acoustical measurements and instrumentation; Acoustic wave devices; Other optical system components; Laser beam modulation, pulsing and switching; mode locking and tuning; Gratings, echelles; Laser beam modulation, pulsing and switching; mode locking and tuning

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      • A. Yariv , P. Yeh . (1984) Optical waves in crystals.
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      • S.A. Akhmanov , V.A. Vysloukh , A.S. Chirkin . Optics of femtosecond laser pulses.
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