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High power lasers use a single crystal, but many laser diodes are arranged in strips (multiple diodes next to each other in one substrate) or stacks (stacks of substrates). This diode grid can be imaged onto the crystal by means of a lens. Higher brightness (leading to better beam profile and longer diode lifetimes) is achieved by optically ...
The state Department of Water Resources has started using laser and sonar technology to measure reservoir capacity, determining that Lake Oroville, the State Water Project’s largest reservoir ...
By 1948, the state declared San Jose to be in violation of state water pollution regulations, risking a moratorium on building permits. [4] In 1950, San Jose voters finally passed bonds to construct a new wastewater treatment facility. [4] In 1954, the city purchased land near Alviso for a wastewater treatment plant. The plant began operations ...
Coherent, Inc., headquartered in Santa Clara, California is an American company that develops, manufactures and supports laser equipment and related specialty components. . Coherent was founded in May 1966 by physicist James Hobart and five cofound
A ruby laser head. The photo on the left shows the head unassembled, revealing the pumping cavity, the rod and the flashlamps. The photo on the right shows the head assembled. Laser pumping is the act of energy transfer from an external source into the gain medium of a laser. The energy is absorbed in the medium, producing excited states in its ...
The Claude "Bud" Lewis Carlsbad Desalination Plant is a desalination plant in Carlsbad, California. [2] [3] The San Diego County Water Authority (SDCWA), the recipient of the fresh water produced by the plant, calls it "the nation’s largest, most technologically advanced and energy-efficient seawater desalination plant." Opened on December 14 ...
A project to expand the plant's wastewater treatment capacity by building new facilities is expected to begin in late 2024. [3] The 740-million dollar project is expected to increase the facility's ability to purify wastewater by about 20 millions gallons per day, enough to supply an estimated 250,000 people per day with drinking water.
Flashlamp, laser diode: Periodontal scaling, dental laser, skin resurfacing Neodymium YLF solid-state laser 1.047 and 1.053 μm Flashlamp, laser diode Mostly used for pulsed pumping of certain types of pulsed Ti:sapphire lasers, combined with frequency doubling. Neodymium-doped yttrium orthovanadate (Nd:YVO 4) laser 1.064 μm laser diode
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