- Timeline of electromagnetism and classical optics
Timeline ofelectromagnetism and classicaloptics * 130 — Claudius Ptolemy tabulates
angle s ofrefraction for several media
* 1021 —Ibn al-Haytham (Alhazen) writes the "Book of Optics ", studyinglens es, thepsychology of vision, the first dark-room camera, and was first to properly describe the mechanisms of eye sight
* 1269 —Pélerin de Maricourt describesmagnetic pole s and remarks on the nonexistence of isolated magnetic poles
* 1305 —Dietrich von Freiberg uses crystalline spheres and flasks filled with water to study the reflection and refraction in raindrops that leads to primary and secondaryrainbow s
* 1604 —Johannes Kepler describes how theeye focuseslight
* 1604 — Johann Kepler specifies the laws of the rectilinear propagation of light
* 1611 —Marko Dominis discusses the rainbow in "De Radiis Visus et Lucis"
* 1611 — Johannes Kepler discoverstotal internal reflection , a small-angle refraction law, and thin lens optics,
* 1621 —Willebrord van Roijen Snell states hisSnell's law of refraction
* 1630 —Cabaeus finds that there are two types ofelectric charge s
* 1637 —René Descartes quantitatively derives the angles at which primary and secondary rainbows are seen with respect to the angle of theSun 's elevation
* 1657 —Pierre de Fermat introduces the principle of least time into optics
* 1665 —Francesco Maria Grimaldi highlights the phenomenon ofdiffraction
* 1673 —Ignace Pardies provides a wave explanation for refraction of light
* 1675 —Isaac Newton delivers his theory of light
* 1676 — Olaus Roemer measures thespeed of light by observing Jupiter's moons
* 1678 —Christian Huygens states his principle of wavefront sources,
* 1704 —Isaac Newton publishes "Opticks", a corpuscular theory of light and colour
* 1728 —James Bradley discovers the aberration of starlight and uses it to determine that thespeed of light is about 283,000 km/s
* 1746 —Leonhard Euler develops the wave theory of light refraction and dispersion
* 1752 —Benjamin Franklin shows thatlightning iselectricity ,
* 1767 —Joseph Priestley proposes an electrical inverse-square law
* 1785 —Charles Coulomb introduces the inverse-square law of electrostatics
* 1786 —Luigi Galvani discovers "animal electricity" and postulates that animal bodies are storehouses of electricity,
* 1800 —William Herschel discoversinfrared radiation from the Sun
* 1801 — Johann Ritter discoversultraviolet radiation from the Sun
* 1801 — Thomas Young demonstrates thewave nature of light and the principle ofinterference
* 1802 —Gian Domenico Romagnosi notes that a nearbyvoltaic pile deflects a magnetic needle. His account is largely overlooked.
* 1808 —Etienne-Louis Malus discoverspolarization by reflection
* 1809 — Etienne-Louis Malus publishes the law of Malus which predicts the light intensity transmitted by two polarizing sheets
* 1811 —François Jean Dominique Arago discovers that some quartz crystals continuously rotate the electric vector of light
* 1816 —David Brewster discovers stressbirefringence
* 1818 —Simeon Poisson predicts the Poisson-Arago bright spot at the center of the shadow of a circular opaque obstacle
* 1818 —François Jean Dominique Arago verifies the existence of the Poisson-Arago bright spot
* 1820 —Hans Christian Ørsted notices that a current in a wire can deflect acompass needle
* 1825 —Augustin Fresnel phenomenologically explains optical activity by introducing circular birefringence
* 1826 — Georg Simon Ohm states hisOhm's law ofelectrical resistance
* 1831 —Michael Faraday states his law of induction
* 1833 —Heinrich Lenz states that an induced current in a closed conducting loop will appear in such a direction that it opposes the change that produced it (Lenz's law )
* 1845 —Michael Faraday discovers that light propagation in a material can be influenced by externalmagnetic field s
* 1849 —Hippolyte Fizeau andJean-Bernard Foucault measure the speed of light to be about 298,000 km/s
* 1852 —George Gabriel Stokes defines theStokes parameters of polarization
* 1864 —James Clerk Maxwell publishes his papers on a dynamical theory of theelectromagnetic field
* 1871 —Lord Rayleigh discusses the blue sky law and sunsets (Rayleigh scattering )
* 1873 —James Clerk Maxwell states that light is an electromagnetic phenomenon
* 1875 — John Kerr discovers the electrically induced birefringence of some liquids
* 1879 — Jožef Stefan discovers the Stefan-Boltzmann radiation law of ablack body and uses it to calculate the first sensible value of the temperature of the Sun's surface to be 5700 K
* 1888 —Heinrich Rudolf Hertz discoversradio wave s
* 1895 —Wilhelm Conrad Röntgen discoversX-ray s
* 1896 —Arnold Sommerfeld solves the half-planediffraction problem
* 1905 —Albert Einstein demonstrates thatMaxwell's Equations are not required to describe electromagnetic radiation ifSpecial Relativity is taken into account
* 1919 —Albert Michelson makes the first interferometric measurements of stellar diameters atMount Wilson Observatory (seehistory of astronomical interferometry )
* 1946 —Martin Ryle and Vonberg build the first two-element astronomical radio interferometer (seehistory of astronomical interferometry )
* 1953 —Charles H. Townes , James P. Gordon, and Herbert J. Zeiger produce the firstmaser
* 1956 — R. Hanbury-Brown and R.Q. Twiss complete the correlation interferometer
* 1960 —Theodore Maiman produces the first workinglaser
* 1999 — M. Henny and others demonstrate the Fermionic Hanbury Brown and Twiss Experiment
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