Sodium-Vapor Lamp

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NEE2N196GMB
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Geliefert zwischen Mi., 26.11.2025 und Do., 27.11.2025

Details

High Quality Content by WIKIPEDIA articles! A Sodium vapor lamp is a gas discharge lamp which uses sodium in an excited state to produce light. There are two varieties of such lamps: low pressure and high pressure. Because sodium vapor lamps cause less light pollution than mercury-vapor lamps, many cities that have large astronomical observatories employ them. Low-pressure sodium (LPS) lamps consist of an outer vacuum envelope of glass coated with an infrared reflecting layer of indium tin oxide, a semiconductor material which allows visible light wavelengths to pass and reflects infrared back, keeping it from escaping. It has an inner borosilicate glass U-pipe (arc tube) containing solid sodium and a small amount of neon and argon gas Penning mixture to start the gas discharge, so when the lamp is turned on it emits a dim red/pink light to warm the sodium metal and within a few minutes it turns into the common bright yellow as the sodium metal vaporizes.

Weitere Informationen

  • Allgemeine Informationen
    • GTIN 09786130331283
    • Editor Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken
    • Sprache Englisch
    • Genre Physik & Astronomie
    • Jahr 2009
    • EAN 9786130331283
    • Format Kartonierter Einband
    • ISBN 978-613-0-33128-3
    • Titel Sodium-Vapor Lamp
    • Untertitel Gas-Discharge Lamp, Sodium, Mercury-Vapor Lamp, Luminous Efficacy, Sodium Amalgam, Spectral Line, List of Light Sources
    • Herausgeber Betascript Publishers
    • Anzahl Seiten 80

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