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Q.

What is technology behind optical cables

Asked by ADITYA, 26 May '08 02:45 pm
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Answers (3)

1.

Total internal reflection. The angle of incidence is greater than critical angle.
Answered by Anuraag Sharma, 26 May '08 02:46 pm

 
  
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2.

is a cable containing one or more optical fibers. The optical fiber elements are typically individually coated with plastic layers and contained in a protective tube suitable for the environment where the cable will be deployed.
Answered by yuv aj, 26 May '08 02:46 pm

 
  
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3.

Fiber optic technology experienced a phenomenal rate of progress in the second half of the twentieth century. Early success came during the 1950?s with the development of the fiberscope. This image-transmitting device, which used the first practical all-glass fiber, was concurrently devised by Brian O?Brien at the American Optical Company and Narinder Kapany (who first coined the term ?fiber optics? in 1956) and colleagues at the Imperial College of Science and Technology in London. Early all-glass fibers experienced excessive optical loss, the loss of the light signal as it traveled the fiber, limiting transmission distances. This motivated scientists to develop glass fibers that included a separate glass coating. The innermost region of the fiber, or core, was used to transmit the light, while the glass coating, or cladding, prevented the light from leaking out of the core by reflecting the light within the boundaries of the core. This concept is explained by Snell?s Law which states ...more
Answered by Dinesh Manaktala, 26 May '08 02:49 pm

 
  
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