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Extending recordable time of light-in-flight recording by holography with double reference light pulses

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Abstract

Light-in-flight (LIF) recording by holography is a powerful technique for observing ultrashort light pulse propagation. However, the recordable time of the technique has been limited by the lateral length of the holographic plate. Then, to extend the recordable time of LIF recording by holography, we proposed a space-division multiplexing technique of holograms, which divides the holographic plate longitudinally and uses double reference light pulses. We experimentally demonstrated that the recordable time becomes twice as long as before for the first time, to the best of our knowledge, using the proposed technique. Specifically, we recorded the motion picture of the ultrashort light pulse propagation for 236 ps.

© 2018 Optical Society of America

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Supplementary Material (4)

NameDescription
Visualization 1       Ultrashort light pulse reconstructed by 45° linearly polarized light on the upper part of the hologram.
Visualization 2       Ultrashort light pulse reconstructed by 135° linearly polarized light on the lower part of the hologram
Visualization 3       Ultrashort light pulse propagation reconstructed by 45° linearly polarized light
Visualization 4       Ultrashort light pulse propagation reconstructed by 135° linearly polarized light

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Figures (6)

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Equations (1)

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