The Birth Of Fiber Optics-To It's Popularity
In 1854, John Tyndall demonstrated to the Royal Society that light could be conducted through a curved stream of water, proving that a light signal could be bent.
In 1880, Alexander Graham Bell invented his "Photo phone" which transmitted a voice signal on a beam of light. Bell focused sunlight with a mirror and then talked into a mechanism that vibrated the mirror. At the receiving end, a detector picked up the vibrating beam, and decoded it back into a voice, the same way a phone did with electricity. Many things, a cloudy day for instance, could interfere with the Pho ....
Word count: 1034 - Page count: 4
|
|
GotPapers has one of the largest term paper databases online. Join today to view this essay and over 45000 other essays in our members' only section.
Your subsription is activated immediately after payment, which is perfect for those times when you are up late working on an important
paper that is due tomorrow.
Membership Option |
Price |
PayPal |
30 days (recurring) |
$19.95 |
90 days (recurring) |
$39.95 |
180 days (non-recurring) |
$69.95 |
|
|
|