'''Nanometer''' is a distance of one billionth of a [[meter]], which is an extremely small distance. (1x10<sup>-9</sup>m)
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'''Nanometer''' is a distance of one billionth of a [[meter]], which is an extremely small distance. (1x10<sup>−9</sup>m)
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The nanometer, or nm, is a common unit used to describe wavelengths of light or other electromagnetic radiation such as [[UV]]. For example, green light has wavelengths of about 500-550 nm, while violet light has wavelengths of about 400-450 nm.
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The nanometer, or nm, is a common unit used to describe wavelengths of light or other electromagnetic radiation such as [[UV]]. For example, green light has wavelengths of about 500-550 nm, while violet light has wavelengths of about 400-450 nm.
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The nanometer is also used extensively in the new fields of [[semiconductor|semiconductors]] and [[nanotechnology]].
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The nanometer is also used extensively in the new fields of [[semiconductor]]s and [[nanotechnology]].