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Thomas Young's sketch of interference based on observations of water waves [6] In 1801, Young presented a famous paper to the Royal Society entitled "On the Theory of Light and Colours" [7] which describes various interference phenomena. In 1803, he described his famous interference experiment. [8]
When Thomas Young (1773–1829) first demonstrated this phenomenon, it indicated that light consists of waves, as the distribution of brightness can be explained by the alternately additive and subtractive interference of wavefronts. [9] Young's experiment, performed in the early 1800s, played a crucial role in the understanding of the wave ...
In 1803, Young's interference experiment played a major role in the general acceptance of the wave theory of light. If white light is used in Young's experiment, the result is a white central band of constructive interference corresponding to equal path length from the two slits, surrounded by a symmetrical pattern of colored fringes of ...
With Young's interference experiment, the predecessor of the double-slit experiment, he demonstrated interference in the context of light as a wave. Plate from "Lectures" of 1802 (RI), pub. 1807. Young, speaking on 24 November 1803, to the Royal Society of London, began his now-classic description of the historic experiment: [35]
Both are observed in the Michelson–Morley experiment and Young's interference experiment. Once the fringes are obtained in the Michelson interferometer, when one of the mirrors is moved away gradually from the beam-splitter, the time for the beam to travel increases and the fringes become dull and finally disappear, showing temporal coherence.
In the late 17th century, Sir Isaac Newton had advocated that light was particles, but Christiaan Huygens took an opposing wave approach. [3] Thomas Young's interference experiments in 1801, and François Arago's detection of the Poisson spot in 1819, validated Huygen's wave models.
Lloyd's mirror is an optics experiment that was first described in 1834 by Humphrey Lloyd in the Transactions of the Royal Irish Academy. [1] Its original goal was to provide further evidence for the wave nature of light, beyond those provided by Thomas Young and Augustin-Jean Fresnel. In the experiment, light from a monochromatic slit source ...
Young's double slit experiment demonstrates the dependence of interference on coherence, specifically on the first-order correlation. This experiment is equivalent to the Mach–Zehnder interferometer with the caveat that Young's double slit experiment is concerned with spatial coherence, while the Mach–Zehnder interferometer relies on ...