Blue laser pointer for semiconductor fabrication
Blue lasers can also be fabricated directly using InGaN semiconductors, which produce blue light without frequency doubling. 450 nm (447 nm ± 5 nm) blue laser diodes are currently available on the open market. Some blue diodes are capable of very high power. When overloaded, such as Nichia's NDB7K75 diode, it can continuously output more than 5 watts of energy. Nd:YVO4 or other neodymium-doped crystals are coated on the diode side with a dielectric mirror that reflects at 1064 nm and transmits at 808 nm. The crystal is mounted on a copper block that acts as a heat sink. Its 1064 nm output is fed to a potassium titanyl phosphate (KTP) crystal mounted on a heat sink of the green laser pointer cavity resonator. Crystals are anisotropic, Nd:YVO 4 outputs polarized light, so the crystal orientations must match. The unit acts as a frequency doubler, halving the wavelength to the desired 532 nm. The resonator is terminated by a dielectric mirror that reflects at 1064 nm and transmits at 532 nm.
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30000mw ultra-high output world's strongest LED laser pointer waterproof can light cigarettes, matches, fireworks, paper, etc. It is effective in instant ignition, construction, disaster relief and disaster relief sites, etc.! It is possible. Equipped with five star caps, protective glasses, 2*16340 lithium-ion batteries, with a charger! Instant ignition, matches, flammable cigarettes, purchase of 30000mW high-power high power laser pointer are dangerous places such as construction sites and civil engineering, remote work guidance, exhibition halls, museum explanations, etc. Available on site. 200mW is the starting point. In actual daytime use, the higher the mW, the better the visibility. For arborists or long-range shooting, 200mW or higher is a good starting point. However, the higher the intensity for daytime use, the better. Focusing - Using a laser that can widen or narrow the beam is also a smart choice. You can increase the intensity of the beam by narrowing it or focusing it further. This makes it more visible during the day.
When using a laser pointer outdoors, please note:
- Please do not do the following.
- Direct laser irradiation on humans and animals.
- Super Power Laser Pointer Keep the blue within the reach of young children.
- Super powerful laser pointer looks directly into the light-emitting port.
- Use the condenser to view the laser beam.
- Irradiate someone else's room with a laser.
- Irradiate reflective objects installed in public places with laser light.
- Irradiate an aircraft or airship with a laser.
- Irradiate a moving car or someone's car with laser light.
- Irradiate the laser beam on a reflective object such as a mirror.
2022-01-14 10:23:18
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