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Industrial Laser Terms
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Deviations from true imaging that are produced by lenses as light rays
pass through them.
– The maximum angle at which light can enter an
optical device and still produce the output desired.
– The loss of energy or power that results from the
passing of a laser beam through an absorbing or scattering medium.
– A collection of parallel, convergent or divergent rays.
– Any optical system that is designed to increase
the diameter of a laser beam.
– The scattering of light in its medium due
to the presence of sound waves passing through that medium. Brillouin
scattering takes place at an atomic level.
– The state of being in unison. Most waves emitted from
lasers are said to be coherent.
– Parallel light rays. Many lasers emit collimated
light or are able to collimate light using a lens or other device.
– The continuous, steady delivery of laser
power.
– The act of giving off radiant energy by a molecule or
an atom.
– A heavy fog that is caused by the scattering of light from
an optical surface.
– Radiation that has a wavelength from 700nm to 1mm. Infrared
radiation is produced by CO2 lasers and is extremely hot.
– A device that uses interference from rays of light
to determine characteristics such as flatness, wavelength, etc.
– Light that consists of one color, wavelength
or a very fine band of wavelengths. All lasers produce highly monochromatic
light.
– The emission and propagation of energy in the forms
of waves and/or rays.
– A secondary beam that results from the back-reflection
of the main beam at the outer surface of an output coupler.
– Invisible radiation with wavelengths shorter
than 400 nm. Even though light is visible radiation, UV rays are still
referred to as light rays.
– The distance between the peak of a single wave of
light or heat and the subsequent corresponding peak.
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