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which class the 1mw Laser Pointer
The device should have a “caution” label which also indicates which class the 1mw Laser Pointer is in, and the power output. Many laser pointers are IIIA devices, meaning that there is a potential for damage with direct exposure to the laser. Class two lasers are less powerful, and are a better choice if you are concerned about safety. However, the lower light output may not be effective in a lecture hall.
300mw laser pointer also have changed the way consumers experience entertainment. A blue laser makes high density (HD) digital versatile disc (DVD) data storage and Blu-ray™ technology possible. Its shorter wavelength than other types of lasers is what provides this capability, because lasers of shorter wavelengths can read increased concentrations of information off the discs.
Standard 5mW laser pointer also come with a blue laser option. These blue lasers can operate with a 473 nanometer wavelength. For those who tire of the red and green laser alternatives, a blue laser can provide a bit of uniqueness to laser use. However, because they use a newer technology, blue lasers might be a more expensive choice.
If used responsibly, a laser pointer should not present a danger. It should never be used as a toy or pointed directly at someone else. When using a Laser Sight outdoors, be aware of passing cars and aircraft, as there have been documented instances of issues related to lasers in the eyes of pilots and drivers. Do not let a child use this device, and if you find one pointed at your eye, move and remind the person pointing it at you that these devices should not be directed toward someone's face .
Light should not leak from the circular point of a 50mw Green Laser Pointer ; otherwise, it can indicate low quality. When testing a laser pointer, keep track of its color and watch for changes, because fluctuations can indicate a problem with the light-emitting diode.
The device should have a “caution” label which also indicates which class the laser is in, and the power output. Many laser pointers are IIIA devices, meaning that there is a potential for damage with direct exposure to the laser.