Lasers

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Lasers

Light produced by a laser oscillator called a laser diode.

Colors-Irradiation examples-

Red

Blue

Green

Laser beam safety standard (JIS C 6802)

This regulates laser output.
The higher the number is in classes 1, 1M, 2, 2M, 3R, 3B, 4 and so on, the output laser becomes stronger and the risk increases.

Class	Summary of risk assessment
Class1	It is inherently safe in design
Class1M	Low power (302.5 to 4,000 nm wavelength)
Class2	Low power for visible light (400 to 700 nm wavelength)
Class2M	Low power for visible light (400 to 700 nm wavelength)
Class3R	Output of 5 times or less (wavelength of 400 to 700 nm) of class 2 for visible light and 5 times or less of wavelength of class 1 (wavelength of 302.5 nm or more ) for visible light
Class3B	Output less than 0.5W
Class4	High output

・Cautions
It is necessary to set up the laser devices so as not to look directly at the laser together with the previously mentioned laser pointers.
If light is in the eyes, it may affect the retina.