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  2. Neodymium-doped yttrium orthovanadate - Wikipedia

    en.wikipedia.org/wiki/Neodymium-doped_yttrium...

    It is commonly used as an active laser medium for diode-pumped solid-state lasers. It comes as a transparent blue-tinted material. It comes as a transparent blue-tinted material. It is birefringent , therefore rods made of it are usually rectangular.

  3. Neodymium-doped yttrium lithium fluoride - Wikipedia

    en.wikipedia.org/wiki/Neodymium-doped_yttrium...

    Neodymium-doped yttrium lithium fluoride (Nd:YLF) is a lasing medium for arc lamp-pumped and diode-pumped solid-state lasers.The YLF crystal (LiYF 4) is naturally birefringent, and commonly used laser transitions occur at 1047 nm and 1053 nm.

  4. The 9 Best Sale Items at Costco Right Now - AOL

    www.aol.com/9-best-sale-items-costco-200246923.html

    With the new year comes a fresh batch of Costco deals, and this month’s savings are too good to miss. The latest sale, running from December 26 through January 20, features incredible discounts ...

  5. Active laser medium - Wikipedia

    en.wikipedia.org/wiki/Active_laser_medium

    Laser rods (from left to right): Ruby, Alexandrite, Er:YAG, Nd:YAG The active laser medium (also called a gain medium or lasing medium ) is the source of optical gain within a laser . The gain results from the stimulated emission of photons through electronic or molecular transitions to a lower energy state from a higher energy state previously ...

  6. Solid-state laser - Wikipedia

    en.wikipedia.org/wiki/Solid-state_laser

    Laser rods (from left to right): Ruby, alexandrite, Er:YAG, Nd:YAG. A solid-state laser is a laser that uses a gain medium that is a solid, rather than a liquid as in dye lasers or a gas as in gas lasers. [1] Semiconductor-based lasers are also in the solid state, but are generally considered as a separate class from solid-state lasers, called ...

  7. Ruby laser - Wikipedia

    en.wikipedia.org/wiki/Ruby_laser

    The ruby laser is a three level solid state laser. The active laser medium (laser gain/amplification medium) is a synthetic ruby rod that is energized through optical pumping, typically by a xenon flashtube. Ruby has very broad and powerful absorption bands in the visual spectrum, at 400 and 550 nm, and a very long fluorescence lifetime of 3 ...

  8. List of laser types - Wikipedia

    en.wikipedia.org/wiki/List_of_laser_types

    Laser types with distinct laser lines are shown above the wavelength bar, while below are shown lasers that can emit in a wavelength range. The height of the lines and bars gives an indication of the maximal power/pulse energy commercially available, while the color codifies the type of laser material (see the figure description for details).

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