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Red (635 nm), blueish violet (445 nm), and green (520 nm) laser pointers. 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.
Some of the world's most powerful and complex arrangements of multiple lasers and optical amplifiers are used to produce extremely high intensity pulses of light of extremely short duration, e.g. laboratory for laser energetics, National Ignition Facility, GEKKO XII, Nike laser, Laser Mégajoule, HiPER.
The Hercules 500, made by Laserglow, held the world record for the world's most powerful handheld laser in 2012, and appeared in the Guinness Book of World Records in 2009. The laser was tested three times in five-minute durations using two separate laser power meters, and created an output 1W peak and 940 mW (+/- 20 mW) average power.
He is also well-known for his experiments with powerful lasers, such as the world's most powerful laser pointer as well as his world record for 2020's most powerful continuous-wave handheld laser. References
A laser weapon [2] is a type of directed-energy weapon that uses lasers to inflict damage. Whether they will be deployed as practical, high-performance military weapons remains to be seen. [3] [4] One of the major issues with laser weapons is atmospheric thermal blooming, which is still largely unsolved.
Violet DPSS laser pointers (120 mW at 405 nm) use a direct diode infrared gallium arsenide (1 W @ 808 nm) lasers being directly doubled, without a longer-wave diode-pumped solid state laser interposed between diode laser and doubler-crystal results in higher-power.
The Spyder III Pro Arctic looks more like a lightsaber than an ordinary laser pointer. The. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ...
Optical mouse. A Microsoft wireless optical mouse. An optical mouse is a computer mouse which uses a miniature camera and digital image processing to detect movement relative to a surface. Variations of the optical mouse have largely replaced the older mechanical mouse and its need for frequent cleaning. The earliest optical mice detected ...
The OMEGA laser is a laser device at the LLE built to perform direct-drive inertial confinement fusion experiments. It is a 60-beam ultraviolet frequency-tripled neodymium glass laser, which is capable of delivering 40 kilojoules at up to 60 terawatts , making it one of the most powerful and highest energy lasers in the world.
The most common DPSSL in use is the 532 nm wavelength green laser pointer. A powerful (>200 mW ) 808 nm wavelength infrared GaAlAs laser diode pumps a neodymium-doped yttrium aluminium garnet (Nd:YAG) or a neodymium-doped yttrium orthovanadate (Nd:YVO 4 ) crystal which produces 1064 nm wavelength light from the main spectral transition of ...