Basic Principles of Fiber Optics

Introduction - Basic Principles - Applied Principles - Optical Fiber Parameters - Fiber Manufacturing - Crossword Puzzle

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Crossword Puzzle

Sharpen those pencils!
To fill out the Fiber Optics Crossword Puzzle, simply print a copy of this page.



Across
1: a large cable bend that can be seen with the unaided eye
7: material surrounding the core of a fiber
9: measurement typically used to express the wavelength of light; one billionth of a meter
12: spreading of a light pulse as it travels down a fiber
13: characteristic of light that is emitted from the light source and is measured in nm; can be described as the color of light
15: electronic device that converts input power into a beam of coherent visible or infrared light
17: loss of signal power in an optical fiber
18: LASER stands for light amplification by stimulated _______________ of radiation
20: loss of light energy in an optical fiber resulting from impurities in the glass
22: one millionth of a meter; also known as a micrometer
23: central region of an optical fiber through which light is transmitted
24: equivalent to one million hertz
25: first of three steps in the manufacture of fiber
26: method of fiber manufacture developed by Corning and licensed to Lucent Technologies (abbrev.)
28: total ______________ reflection
30: the pulling force necessary to break a material is known as ____________strength
31: more than one mode

Down
1: amount of bend a fiber can withstand before experiencing problems in performance (3 words)
2: measure of optical fiber core deviation from its ideal center position
3: material of which optical fiber is made
4: reflection that occurs when a light ray traveling in one material hits a different material and reflects back into the original material without any loss of light (abbrev.)
5: abrupt change in the direction of a light beam so that it returns to the medium from which it originated
6: optical fiber's form of transmission
8: Corning's method of fiber manufacture: outside vapor _________________
10: pathway in which light travels down a fiber
11: semiconductor device that emits noncoherent optical radiation when biased in the forward direction; a.k.a. light-emitting diode
14: equivalent to one billion hertz
16: having only one path for light transmission
19: information-carrying capacity
21: small microscopic bend usually not visible to the unaided eye
23: material put on a fiber during the draw process to protect it from the environment
27: third step in the fiber manufacturing process
29: state where Corning developed first, low-loss optical fiber (abbrev.)

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