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Sodium-vapor lamp, the Glossary

A sodium-vapor lamp is a gas-discharge lamp that uses sodium in an excited state to produce light at a characteristic wavelength near 589 nm.^[1]

68 relations: Alfred Hitchcock, Aluminium, Aluminium oxide, Arc lamp, Argon, Bedknobs and Broomsticks, Borosilicate glass, Breakdown voltage, Cambridge, Massachusetts, Color rendering index, Color temperature, Deventer, Electric arc, Electric power, Electrical ballast, Emission spectrum, Flagstaff, Arizona, Gas-discharge lamp, General Electric Company, Grow light, Hamilton, South Lanarkshire, High-intensity discharge lamp, Indium tin oxide, Ionization energy, Light, Light pollution, Lumen (unit), Luminous efficacy, Mary Poppins (film), Matte (filmmaking), Mercury (element), Mesopic vision, Mica, MIT Press, Monochrome, Nanometre, Neon, Night vision, Noble gas, Observatory, Pacific Gas and Electric Company, Penning mixture, Photopic vision, Product (chemistry), Purkinje effect, Reflection (physics), San Jose, California, Scotopic vision, Sea turtle, Security lighting, ... Expand index (18 more) »
Gas discharge lamps
Light pollution
Sodium
Street lighting

Alfred Hitchcock

Sir Alfred Joseph Hitchcock (13 August 1899 – 29 April 1980) was an English film director.

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Aluminium

Aluminium (Aluminum in North American English) is a chemical element; it has symbol Al and atomic number 13.

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Aluminium oxide

Aluminium oxide (or aluminium(III) oxide) is a chemical compound of aluminium and oxygen with the chemical formula.

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Arc lamp

An arc lamp or arc light is a lamp that produces light by an electric arc (also called a voltaic arc). Sodium-vapor lamp and arc lamp are gas discharge lamps.

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Argon

Argon is a chemical element; it has symbol Ar and atomic number 18.

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Bedknobs and Broomsticks

Bedknobs and Broomsticks is a 1971 American musical fantasy film directed by Robert Stevenson and songs written by the Sherman Brothers.

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Borosilicate glass

Borosilicate glass is a type of glass with silica and boron trioxide as the main glass-forming constituents.

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Breakdown voltage

The breakdown voltage of an insulator is the minimum voltage that causes a portion of an insulator to experience electrical breakdown and become electrically conductive.

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Cambridge, Massachusetts

Cambridge is a city in Middlesex County, Massachusetts, United States.

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Color rendering index

A color rendering index (CRI) is a quantitative measure of the ability of a light source to reveal the colors of various objects faithfully in comparison with a natural or standard light source.

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Color temperature

Color temperature is a parameter describing the color of a visible light source by comparing it to the color of light emitted by an idealized opaque, non-reflective body.

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Deventer

Deventer (Sallands: Daeventer) is a city and municipality in the Salland historical region of the province of Overijssel, Netherlands.

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Electric arc

An electric arc (or arc discharge) is an electrical breakdown of a gas that produces a prolonged electrical discharge.

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Electric power

Electric power is the rate of transfer of electrical energy within a circuit.

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Electrical ballast

An electrical ballast is a device placed in series with a load to limit the amount of current in an electrical circuit. Sodium-vapor lamp and electrical ballast are gas discharge lamps.

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The emission spectrum of a chemical element or chemical compound is the spectrum of frequencies of electromagnetic radiation emitted due to electrons making a transition from a high energy state to a lower energy state.

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Flagstaff, Arizona

Flagstaff is the county seat of Coconino County, Arizona, in the southwestern United States.

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Gas-discharge lamp

Gas-discharge lamps are a family of artificial light sources that generate light by sending an electric discharge through an ionized gas, a plasma. Sodium-vapor lamp and gas-discharge lamp are gas discharge lamps.

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General Electric Company

The General Electric Company (GEC) was a major British industrial conglomerate involved in consumer and defence electronics, communications, and engineering.

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Grow light

A grow light is an electric light that can help plants grow.

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Hamilton, South Lanarkshire

Hamilton (Hamiltoun; Baile Hamaltan) is a large town in South Lanarkshire, Scotland.

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High-intensity discharge lamp

High-intensity discharge lamps (HID lamps) are a type of electrical gas-discharge lamp which produces light by means of an electric arc between tungsten electrodes housed inside a translucent or transparent fused quartz or fused alumina arc tube. Sodium-vapor lamp and High-intensity discharge lamp are gas discharge lamps.

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Indium tin oxide

Indium tin oxide (ITO) is a ternary composition of indium, tin and oxygen in varying proportions.

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Ionization energy

In physics and chemistry, ionization energy (IE) is the minimum energy required to remove the most loosely bound electron of an isolated gaseous atom, positive ion, or molecule.

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Light

Light, visible light, or visible radiation is electromagnetic radiation that can be perceived by the human eye.

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Light pollution

Light pollution is the presence of any unwanted, inappropriate, or excessive artificial lighting.

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Lumen (unit)

The lumen (symbol: lm) is the unit of luminous flux, a measure of the perceived power of visible light emitted by a source, in the International System of Units (SI).

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Luminous efficacy

Luminous efficacy is a measure of how well a light source produces visible light.

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Mary Poppins (film)

Mary Poppins is a 1964 American musical fantasy comedy film directed by Robert Stevenson and produced by Walt Disney, with songs written and composed by the Sherman Brothers.

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Matte (filmmaking)

Mattes are used in photography and special effects filmmaking to combine two or more image elements into a single, final image.

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Mercury (element)

Mercury is a chemical element; it has symbol Hg and atomic number 80.

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Mesopic vision

Mesopic vision, sometimes also called twilight vision, is a combination of photopic and scotopic vision under low-light (but not necessarily dark) conditions.

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Mica

Micas are a group of silicate minerals whose outstanding physical characteristic is that individual mica crystals can easily be split into extremely thin elastic plates.

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MIT Press

The MIT Press is a university press affiliated with the Massachusetts Institute of Technology (MIT) in Cambridge, Massachusetts.

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Monochrome

A monochrome or monochromatic image, object or palette is composed of one color (or values of one color).

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Nanometre

molecular scale. The nanometre (international spelling as used by the International Bureau of Weights and Measures; SI symbol: nm), or nanometer (American spelling), is a unit of length in the International System of Units (SI), equal to one billionth (short scale) of a meter (0.000000001 m) and to 1000 picometres.

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Neon

Neon is a chemical element; it has symbol Ne and atomic number 10.

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Night vision

Night vision is the ability to see in low-light conditions, either naturally with scotopic vision or through a night-vision device.

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Noble gas

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Observatory

An observatory is a location used for observing terrestrial, marine, or celestial events.

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Pacific Gas and Electric Company

The Pacific Gas and Electric Company (PG&E) is an American investor-owned utility (IOU).

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Penning mixture

A Penning mixture is a mixture of gases that is used in electric gas-discharge lamps.

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Photopic vision

Photopic vision is the vision of the eye under well-lit conditions (luminance levels from 10 to 108 cd/m2).

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Product (chemistry)

Products are the species formed from chemical reactions.

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Purkinje effect

The Purkinje effect or Purkinje phenomenon (sometimes called the Purkinje shift, often pronounced) is the tendency for the peak luminance sensitivity of the eye to shift toward the blue end of the color spectrum at low illumination levels as part of dark adaptation.

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Reflection (physics)

Reflection is the change in direction of a wavefront at an interface between two different media so that the wavefront returns into the medium from which it originated.

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San Jose, California

San Jose, officially the paren), is the largest city in Northern California by both population and area. With a 2022 population of 971,233, it is the most populous city in both the Bay Area and the San Jose–San Francisco–Oakland Combined Statistical Area—which in 2022 had a population of 7.5 million and 9.0 million respectively—the third-most populous city in California after Los Angeles and San Diego, and the 13th-most populous in the United States.

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Scotopic vision

In the study of visual perception, scotopic vision (or scotopia) is the vision of the eye under low-light conditions.

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Sea turtle

Sea turtles (superfamily Chelonioidea), sometimes called marine turtles, are reptiles of the order Testudines and of the suborder Cryptodira.

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Security lighting

In the field of physical security, security lighting is lighting that intended to deter or detect intrusions or other criminal activity occurring on a property or site.

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Sodium

Sodium is a chemical element; it has symbol Na (from Neo-Latin natrium) and atomic number 11.

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Sodium amalgam

Sodium amalgam, with the common formula Na(Hg), is an alloy of mercury and sodium.

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Sodium oxide

Sodium oxide is a chemical compound with the formula.

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Sodium vapor process

The sodium vapor process (occasionally referred to as yellowscreen) is a photochemical film technique for combining actors and background footage.

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Sodium-vapor lamp

A sodium-vapor lamp is a gas-discharge lamp that uses sodium in an excited state to produce light at a characteristic wavelength near 589 nm. Sodium-vapor lamp and sodium-vapor lamp are gas discharge lamps, light pollution, sodium and street lighting.

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Spectral line

A spectral line is a weaker or stronger region in an otherwise uniform and continuous spectrum.

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Street light

A street light, light pole, lamp pole, lamppost, street lamp, light standard, or lamp standard is a raised source of light on the edge of a road or path. Sodium-vapor lamp and street light are light pollution and street lighting.

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The Birds (film)

The Birds is a 1963 American natural horror-thriller film produced and directed by Alfred Hitchcock, released by Universal Pictures.

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The Walt Disney Company

The Walt Disney Company is an American multinational mass media and entertainment conglomerate that is headquartered at the Walt Disney Studios complex in Burbank, California.

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Thermal conductivity and resistivity

The thermal conductivity of a material is a measure of its ability to conduct heat.

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Thermal insulation

Thermal insulation is the reduction of heat transfer (i.e., the transfer of thermal energy between objects of differing temperature) between objects in thermal contact or in range of radiative influence.

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United Kingdom

The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of the continental mainland.

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United States

The United States of America (USA or U.S.A.), commonly known as the United States (US or U.S.) or America, is a country primarily located in North America.

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United States Naval Observatory

The United States Naval Observatory (USNO) is a scientific and military facility that produces geopositioning, navigation and timekeeping data for the United States Navy and the United States Department of Defense.

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Vaporization

Vaporization (or vaporisation) of an element or compound is a phase transition from the liquid phase to vapor.

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Watt

The watt (symbol: W) is the unit of power or radiant flux in the International System of Units (SI), equal to 1 joule per second or 1 kg⋅m2⋅s−3.

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Xenon

Xenon is a chemical element; it has symbol Xe and atomic number 54.

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Yellow

Yellow is the color between green and orange on the spectrum of light.

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References

[1] https://en.wikipedia.org/wiki/Sodium-vapor_lamp

Also known as HPS lamp, High Pressure Sodium, High Pressure Sodium light, High pressure sodium lamp, High-pressure sodium, High-pressure sodium lamp, High-pressure sodium light, Lamp, Sodium-Vapor, Low pressure sodium lamp, Low pressure sodium light, Low-pressure sodium, Low-pressure sodium lamp, Low-pressure sodium light, Low-pressure sodium-vapor lamp, Lucalox, SON lamp, SOX Lamp, Sodium Vapor Lamp, Sodium Vapour Lamp, Sodium lamp, Sodium light, Sodium oxide lamp, Sodium oxide lamps, Sodium vapor, Sodium vapor light, Sodium vapour, Sodium vapour light, Sodium-Vapour Lamp, Vapor lamp, Vapour lamp.

, Sodium, Sodium amalgam, Sodium oxide, Sodium vapor process, Sodium-vapor lamp, Spectral line, Street light, The Birds (film), The Walt Disney Company, Thermal conductivity and resistivity, Thermal insulation, United Kingdom, United States, United States Naval Observatory, Vaporization, Watt, Xenon, Yellow.

Sodium-vapor lamp, the Glossary

Table of Contents

See also

Gas discharge lamps

Light pollution

Sodium

Street lighting

References