Optical amplifier
The emission wavelength of the pump laser (5) of an erbium doped fibre amplifier is locked to the peak in the absorption characteristic of its amplifier fibre (4) by means of a feedback loop employing a photodiode (8) to monitor the proportion of the pump power transmitted through the amplifier fibr...
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Main Author | |
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Format | Patent |
Language | English |
Published |
23.11.1994
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Edition | 5 |
Subjects | |
Online Access | Get full text |
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