Large Mode Area Fibers
Optical fibers with relatively large mode areas and a single transverse mode or only a few modes.
For some applications, it is desirable to use optical fibers with a large mode area (LMA fibers) – often with single-mode guidance. Due to the reduced optical intensities, such fibers effectively have lower nonlinearities and a higher damage threshold, which makes them suitable for example for the Amplification of intense Pulses or single-frequency signals in Fiber amplifiers, or in case of passive fibers for delivery of such light. While standard single-mode fibers have an Effective Mode Area below 100 μm2, large mode area fibers reach values of hundreds or even thousands of μm2.
Related Terms
Active Area,
Active Mode Locking,
Additive Pulse Mode Locking,
additive-pulse mode locking,
Asynchronous Transfer Mode ATM,
Bound Mode,
Broad Area Laser Diodes,
Bundle of Fibers,
Burst Mode Laser,
Cladding Mode,
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