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  2. Laser-powered phosphor display - Wikipedia

    en.wikipedia.org/wiki/Laser-powered_phosphor_display

    The laser draws an image onto the screen by scanning line by line from top to bottom. [7] The energy from the lasers' light activates the phosphors, which emit photons, producing an image. [5] [8] [9] [10] The building blocks of every Prysm video wall are the Laser Phosphor Display (LPD) tiles called the TD2.

  3. Bubblegram - Wikipedia

    en.wikipedia.org/wiki/Bubblegram

    A laser glass sculpture of a caffeine molecule. A bubblegram (also known as laser crystal, Subsurface Laser Engraving, 3D crystal engraving or vitrography) is a solid block of glass or transparent plastic that has been exposed to laser beams to generate three-dimensional designs inside.

  4. Optical cavity - Wikipedia

    en.wikipedia.org/wiki/Optical_cavity

    Types of two-mirror optical cavities, with mirrors of various curvatures, showing the radiation pattern inside each cavity. Light confined in a resonator will reflect multiple times from the mirrors, and due to the effects of interference, only certain patterns and frequencies of radiation will be sustained by the resonator, with the others being suppressed by destructive interference.

  5. Laser beam machining - Wikipedia

    en.wikipedia.org/wiki/Laser_beam_machining

    Laser beam machining is best suited for brittle materials with low conductivity, but can be used on most materials. [2] Laser beam machining can be done on glass without melting the surface. With photosensitive glass, the laser alters the chemical structure of the glass allowing it to be selectively etched. The glass is also referred to as ...

  6. Laser beam profiler - Wikipedia

    en.wikipedia.org/wiki/Laser_beam_profiler

    Laser and laser amplifier development: Thermal relaxation in pulse-pumped amplifiers causes temporal and spatial variations in the gain crystal, effectively distorting the beam profile of the amplified light. A beam profiler placed at the output of the amplifier yields a wealth of information about transient thermal effects in the crystal.

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. Trump taps retired General Keith Kellogg for Ukraine envoy role

    www.aol.com/news/trump-eyes-retired-general...

    WASHINGTON (Reuters) -Donald Trump has tapped Keith Kellogg, a retired lieutenant general who presented him with a plan to end the war in Ukraine, to serve as a special envoy for the conflict, the ...

  9. If It Seems Like Everyone Has Norovirus, It's Because They ...

    www.aol.com/seems-everyone-norovirus-because...

    Outbreaks of the highly contagious stomach virus are more than double what they were last year, the Centers for Disease Control and Prevention says

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