Post Test - Laser & Fiber Optics
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Photon | A light particle which is a small, distinct packet or unit of light wave energy.
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| Refraction | When photons of light slowed down and bent as they pass through a material such as glass or water.
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| Reflection | When photons of light strike a material such as a mirror and bounce off in another direction.
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| Laser | A device which produces a powerful beam of light. Light Amplification by Stimulated Emission of Radiation
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| Compact Disc Player | Audio equipment that uses a low-powered LASER.
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| Fiber Optic Cable | Flexible, hair-thin plastic or glass optical pipes in which light waves are guided to transmit data.
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| Solid State Laser Diode | Very small LASERs used in fiber optics
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| Endoscope | A medical application of fiber optic technology used for the direct visual examination of internal body surfaces.
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| Cladding | The outer layer of an optical fiber having a lower refractive index than the core.
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| Attenuation | The loss of light transmission in an optical fiber caused by foreign material within the fiber, scattering light out of the fiber core, and the leakage of light out of the core caused by environmental factors.
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| The greatest danger associated with using LASERs. | eye damage
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| Built first LASER in 1960. | Theodore Maiman
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| Speed of light in a vacuum is: | 186,000 miles per second
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| Two materials used in optical fiber core construction: | glass, plastic
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| Why can light waves transmit large sums of information quickly? | Because they have short wavelengths and high frequencies
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| Communication systems transmit messages through a ______? | Channel
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| Hologram | Three dimensional picture created by exposing photographic film to LASER light.
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| Bell in Atlanta | The first trial installation of a fiber optic telephone line occured in 1976.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
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Created by:
SCullum
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