OSA Centennial

OSA Timeline

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General John Joseph Pershing Credit: Bain News Service, publisher

1916

General John Joseph Pershing

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Tomáš Garrigue Masaryk Credit: Josef Jindřich Šechtl

1917

Tomáš Garrigue Masaryk

Tomáš Garrigue Masaryk – first president of Czechoslovakia leaving train on his stopover in Tábor on his return journey to Prague.

This is a map of the New York Central Railroad system as of 1918. Credit: Bureau of Transportation Statistics North American Transportation Atlas Data

1918

New York City Map, 1918

This is a map of the New York Central Railroad system as of 1918.

Lenin with comrades at a May Day rally in Red Square, May 1919 Credit: The Kathryn and Shelby Cullom Davis Library

1919

The Signing of Peace Credit: William Orpen

1919

Hall of Mirrors

The Signing of Peace in the Hall of Mirrors, Versailles, 28th June 1919

Curtiss NC seaplane. Plane number four of four built, named NC-4. Credit: USN

1919

Curtiss NC seaplane, 1919

Curtiss NC seaplane. Plane number four of four built, named NC-4, sometime after the translatlantic test flight, 1919.

Inkwell with Kufic and Naski Inscriptions Credit: Walters Art Museum

1920

Inkwell with Kufic and Naski Inscriptions

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George A. Van Biesbroeck (1880-1974), 1920, astronomer at Yerkes Observatory observing Mars. Credit: Smithsonian Institution

1920

George A. Van Biesbroeck (1880-1974), 1920

Curtiss NC seaplane. Plane number four of four built, named NC-4, sometime after the translatlantic test flight, 1919.

Publicity photo from Charlie Chaplin's 1921 movie The Kid. Credit: Bain News Service, publisher

1921

Charlie Chaplin

Publicity photo from Charlie Chaplin's 1921 movie The Kid. Pictured are Charlie Chaplin and Jackie Coogan.

Rare sighting of a smiling Eamon de Valera Credit: National Library of Ireland on The Commons

1922

Eamon de Valera

Rare sighting of a smiling Eamon de Valera

February 3, 1922 - The Variable Density Tunnel arrives by rail from the Newport News Shipbuilding and Dry Dock Company. The Tunnel was installed at Langley Credit: NASA

1922

Variable Density Tunnel

February 3, 1922 - The Variable Density Tunnel arrives by rail from the Newport News Shipbuilding and Dry Dock Company. The Tunnel was installed at Langley

La Reine du VIIème arrondissement 1922 Mlle Patay Credit: Sartony Paris

1922

Mlle Patay

La Reine du VIIème arrondissement 1922 Mlle Patay

Margaret Sanger Credit: Underwood & Underwood

1922

Margaret Sanger

James C. Van Trees, A.S.C. With His New Mitchell Camera Credit: Photographer unknown/Wikimedia

1922

James C. Van Trees, A.S.C.

James C. Van Trees, A.S.C. With His New Mitchell Camera

A smoky day at the Sugar Bowl--Hupa, c. 1923. Credit: Edward S. Curtis

1923

A smoky day at the Sugar Bowl--Hupa, c. 1923.

Hupa man with spear, 1923. A Hupa man with his spear. A smoky day at the Sugar Bowl--Hupa, c. 1923. Hupa man with spear, standing on rock midstream, in background, fog partially obscures trees on mountainsides.

Lois Wilson Credit: Portrait of Lois Wilson

1924

Lois Wilson

Portrait of Lois Wilson

Waving Credit: Unknown

1925

Waving

Prismengläser, Kunststoff, je 12 ° Credit: Wikimedia Video2005

1945

Prism glass

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2D-Laser Doppler Velocimeter Credit: NASA/Ames Research Center

1953

2D-Laser Doppler Velocimeter

2D-Laser Doppler Velocimeter at a flow channel. Two pairs of laser beams, slightly different in color/wavelength, for measuring the longitudinal and vertical component of the flow velocity at the point of intersection.

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Credit: Oren Jack Turner

1965

Albert Einstein

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Lunar Laser Ranging Experiment Credit: NASA

1969

Retroreflector

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Setup to generate an extremely precise Wavelength of Infrared light Credit: Steve Jurvetson/Wikimedia

1970

Infrared Light

Setup to generate an extremely precise Wavelength of Infrared light

Double prism spy-glass Credit: Scan by Christine Belz-Hensoldt

1973

Binoculars

Binoculars, field glasses or binocular telescopes are a pair of identical or mirror-symmetrical telescopes.

Lunar Laser Ranging Experiment Credit: Wikimedia Pline

1982

Optical Head

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Laser d'un lecteur DVD Credit: Thomas Bresson

1984

Laser d'un lecteur DVD

UV pump and terrahertz probe spectroscopy measurement Credit: Doug LaFon/Adelphi Lab Center

1989

Optoelectronics Experiment

Dr. Grace Metcalfe performing UV pump and terrahertz probe spectroscopy measurements to study carrier dynamics in ARL-grown nanometer-scale compositional inhomogeneouus ALGaN materials.

Spherometer Credit: Wikimedia Janee

1996

Spherometer

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Space Station Columbus module Credit: NASA

2001

Space Station Columbus module

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Photo of rod lenses Credit: Wikipedia Sibatadr

2013

Rod Lenses

Rod Lenses are used to focus collimated light into a line in a variety of laser and imaging systems.

Credit: Greg Vojtko/U.S. Navy

2015

Eye-safe Visible Lasers

Daniel King, Microwave/Electro-Optic (MS32) electronics engineer at Naval Surface Warfare Center (NSWC), Corona Division, prepares alignment of various optical components using eye-safe visible lasers.

Hubble Space Telescope (HST) Credit: NASA

2015

Hubble Space Telescope (HST)

July 1969

Retroreflector

Lunar Laser Ranging Experiment with the stereo camera in the background (NASA image number AS11-40-5952). This Retroreflector was left on the Moon by astronauts on the Apollo 11 mission. Astronomers all over the world have reflected laser light off the reflectors to measure precisely the Earth-Moon distance.

January 1970

Infrared Light

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May 1973

Binoculars

Binoculars, field glasses or binocular telescopes are a pair of identical or mirror-symmetrical telescopes mounted side-by-side and aligned to point accurately in the same direction, allowing the viewer to use both eyes (binocular vision) when viewing distant objects. Most are sized to be held using both hands, although sizes vary widely from opera glasses to large pedestal mounted military models.