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1. PEN - Penumbra, Inc.

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   192.57-0.24 (-0.12%)

   at Wed, May 29, 2024, 2:31PM EDT - U.S. markets close in 1 hour 28 minutes

   Nasdaq Real Time Price

   • Open 190.51
   • High 192.81
   • Low 189.52
   • Prev. Close 192.81

   • 52 Wk. High 348.67
   • 52 Wk. Low 180.93
   • P/E 81.25
   • Mkt. Cap 7.46B

   • NYSE
   • •Price in USD

2. Refine high power laser pen

   Brand

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   Material

   • Aluminum
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4. Laser pointer - Wikipedia

   en.wikipedia.org/wiki/Laser_pointer

   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.

5. Laser safety - Wikipedia

   en.wikipedia.org/wiki/Laser_safety

   Moderate and high-power lasers are potentially hazardous because they can burn the retina, or even the skin. To control the risk of injury, various specifications, for example 21 Code of Federal Regulations (CFR) Part 1040 in the US and IEC 60825 internationally

6. Directed-energy weapon - Wikipedia

   en.wikipedia.org/wiki/Directed-energy_weapon

   THOR (Tactical High-powered Operational Responder) is a US-developed short-range directed energy weapon (DEW) demonstrator targeted at disabling drone swarms. THOR is one of a series of directed energy countermeasures targeting small, cheap drones.

7. Laser engraving - Wikipedia

   en.wikipedia.org/wiki/Laser_engraving

   Due to their thermal conductivity, pulsed, rather than continuous wave lasers, are preferred in laser engraving applications. High peak power, low pulse duration lasers are able to ablate material off a metal engraving surface without delivering enough energy to melt the surface. Laser on stainless steel.

8. List of laser applications - Wikipedia

   en.wikipedia.org/wiki/List_of_laser_applications

   High power applications, such as hardening, cladding, and deep penetrating welding, require multiple kW of optical power, and are used in a broad range of industrial processes. Micro material processing is a category that includes all laser material processing applications under 1 kilowatt. [12]

9. Laser - Wikipedia

   en.wikipedia.org/wiki/Laser

   Low to medium power laser diodes are used in laser pointers, laser printers and CD/DVD players. Laser diodes are also frequently used to optically pump other lasers with high efficiency. The highest-power industrial laser diodes, with power of up to 20 kW, are used in industry for cutting and welding.