Month: March 2017

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Narrow Linewidth Fiber Laser Based on DFB Lasers

Narrow linewidth fiber lasers with fiber output connectors are widely used as laser sources in high sensitive optical fiber sensing fields, such as submarine hydroacoustic detecting and distributed acoustic sensing. Currently, the practical optical fiber hydrophone system is based on the optical fiber interferometer technology. A multi-wavelength narrow linewidth laser or a laser array composed...

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Femtosecond Fiber Lasers Technology

Nowadays, optical scientists have generated ultrashort laser pulses in an optical fiber by using a method previously considered as physically impossible to achieve. Pulses can be generated in fiber lasers by a system known as a saturable absorber. When the light intensity is low, the absorber blocks light; when it is high, it lets it...