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  2. Sodium-vapor lamp - Wikipedia

    en.wikipedia.org/wiki/Sodium-vapor_lamp

    Single ended self-starting lamps are insulated with a mica disc and contained in a borosilicate glass gas discharge tube (arc tube) and a metal cap. [3] [4] They include the sodium-vapor lamp that is the gas-discharge lamp in street lighting. [5] [6] [3] [4]

  3. Gas-discharge lamp - Wikipedia

    en.wikipedia.org/wiki/Gas-discharge_lamp

    A flicker light bulb, flicker flame light bulb or flicker glow lamp is a gas-discharge lamp which produces light by ionizing a gas, usually neon mixed with helium and a small amount of nitrogen gas, by an electric current passing through two flame shaped electrode screens coated with partially decomposed barium azide. The ionized gas moves ...

  4. Fluorescence spectroscopy - Wikipedia

    en.wikipedia.org/wiki/Fluorescence_spectroscopy

    A laser only emits light of high irradiance at a very narrow wavelength interval, typically under 0.01 nm, which makes an excitation monochromator or filter unnecessary. The disadvantage of this method is that the wavelength of a laser cannot be changed by much. A mercury vapor lamp is a line lamp, meaning it emits light near peak wavelengths.

  5. Xenon arc lamp - Wikipedia

    en.wikipedia.org/wiki/Xenon_arc_lamp

    15 kW xenon short-arc lamp used in IMAX projectors High-speed, slow-motion video of a xenon flashtube recorded at a speed of 44,025 frames per second.. A xenon arc lamp is a highly specialized type of gas discharge lamp, an electric light that produces light by passing electricity through ionized xenon gas at high pressure.

  6. Integrating sphere - Wikipedia

    en.wikipedia.org/wiki/Integrating_sphere

    The total power of a laser beam can be measured, free from the effects of beam shape, incident direction, and incident position, as well as polarization. Commercial integrating sphere . This particular model from Electro Optical Industries employs four separate lamps that can be specified to achieve the required spectral output from ultraviolet ...

  7. Rescue Pug Stares in Wonder & Curiosity After Seeing ... - AOL

    www.aol.com/rescue-pug-stares-wonder-curiosity...

    If you need more proof of the power of pet adoption, think of snow — yes, snow! Let us explain. A rescue pug on the internet is enjoying the majesty of the white fluff for the very first time ...

  8. Israeli-American hostage Omer Neutra confirmed dead, IDF says

    www.aol.com/israeli-american-hostage-omer-neutra...

    PLAINVIEW, N.Y. -- Omer Neutra, an Israeli-American soldier from New York, has been confirmed dead in Gaza, the Israel Defense Forces said. A grandson of Holocaust survivors, the 21-year-old from ...

  9. Ashton Jeanty Heisman Trophy odds: Stats, more for Boise ...

    www.aol.com/ashton-jeanty-heisman-trophy-odds...

    Jeanty is on pace to break Barry Sanders' NCAA single-season rushing record, set at Oklahoma State in 1988. He is also looking to become the first Heisman Trophy winner at running back since ...