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A laser pointer or laser pen is a (typically battery-powered) handheld device that uses a laser diode to emit a narrow low-power visible laser beam (i.e. coherent light) to highlight something of interest with a small bright colored spot. The small width of the beam and the low power of typical laser pointers make the beam itself invisible in a ...
Tickets went on sale on January 21, 2015. [2] Due to popular demand, a fifth show was added in Seoul for March 13, 2015. [3] Following Exo's first Seoul concert on March 7, reports were released alleging that members Kai and Tao injured themselves while performing and were unable to participate in the remaining stage performances. [4]
Second Thomas Shoal laser incident. On February 6, 2023, the China Coast Guard and Philippine Coast Guard had an encounter near the Second Thomas Shoal, one of the features of the Spratly Islands which is subject to a wider dispute in the South China Sea. The Second Thomas Shoal is claimed by multiple countries, including China and the Philippines.
Pointing a laser at an aircraft can be hazardous to pilots, [1] and has resulted in arrests, trials and jail sentences. It also results in calls to license or ban laser pointers. Some jurisdictions such as New South Wales, Australia have restricted laser pointers as a result of multiple incidents.
A diode-pumped solid-state laser (DPSSL) is a solid-state laser made by pumping a solid gain medium, for example, a ruby or a neodymium-doped YAG crystal, with a laser diode. DPSSLs have advantages in compactness and efficiency over other types, and high power DPSSLs have replaced ion lasers and flashlamp-pumped lasers in many scientific ...
The Advanced Target Pointer / Illuminator / Aiming Light, ATPIAL AN/PEQ-15 known colloquially as the "PEQ-15" [/ p ɛ k / / f ɪ f t iː n /] produced by L3Harris (originally designed and manufactured by Insight Technology, until their acquisition by L3Harris in 2010); is a multifunction IR Target Pointer & Illuminator, a.k.a. a Laser Aiming Module (LAM) for use as a rifle attachment, using a ...
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