How is he-ne laser used in inspection?
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He-Ne lasers produce light at a wavelength of 6328 A (0.6 pi) that is in phase, coherent, and a thousand times more intense than any other monochromatic source. Laser inspection systems enable measurement of a part as it is produced, thus permitting 100% quality.
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He-Ne lasers produce light at a wavelength of 6328 A (0.6 pi) that is in phase, coherent, and a thousand times more intense than any other monochromatic source. Laser inspection systems enable measurement of a part as it is produced, thus permitting 100% quality.
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Generally, in He-Ne laser, an electric discharge is used to excite the atoms of the active medium. This process is known as Electrical Excitation and is normally used in gas lasers.
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