Holography and relativity

Nils Abramson

doi:10.1117/12.2283684

5 June 1990 Holography and relativity

Nils Abramson

Proceedings Volume 10308, Holography; 1030802 (1990) https://doi.org/10.1117/12.2283684
Event: SPIE Institutes for Advanced Optical Technologies 8, 1990, Tatabánya, Hungary

Abstract

Now that ultrashort laser pulses can be used in holography, the temporal and spatial resolution approach the same order of magnitude. In that case the limited speed of light sometimes causes large measuring errors if correction methods are not introduced. Therefore, we want to revive the Minkowski diagram, which was invented in 1908 to visualize relativistic relations between time and space. We show how this diagram in a modified form can be used to derive both the static holodiagram, used for conventional holography, including ultrahigh-speed recor- dings of wavefronts, and a dynamic holodiagram used for studying the apparent distortions of objects recorded at relativistic speeds. The modified holodiagram is used to solve and visualize in a graphical way a number of problems that are important for the evaluation of ultrahigh-speed recor- dings. A simplified diagram is introduced to explain the focusing effect of fast- moving light sources or observers. The diagram is used to show the distortion of an orthogonal coordinated system to simplify the study of apparent deformations of arbitrary shaped rigid objects. These distortions are compared with those of pulse fronts or wave fronts of light observed with light-in-flight recordings.

Citation Download Citation

Nils Abramson "Holography and relativity", Proc. SPIE 10308, Holography, 1030802 (5 June 1990); https://doi.org/10.1117/12.2283684

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