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Mode Field Adaptor

The High Power Mode Field Adaptor (MFA) is designed for low-loss, adiabatic mode transition between fibers with different mode field diameters, core diameters, numerical apertures (NA), and cladding structures. By gradually adapting the optical mode between dissimilar fibers, the MFA enables efficient fiber-to-fiber coupling while minimizing fundamental mode signal loss and beam quality degradation. It is primarily used in high-power CW fiber lasers and fiber amplifiers, with customized fiber configurations available for specific laser architectures. Fiber configurations can be customized according to specific application requirements.

Mode Field Adaptor Products

Mode Field Adaptor

Why Use a Mode Field Adaptor?

1. Efficient Mode Matching

Enables smooth mode transition between fibers with different core diameters, NAs, and mode field diameters.

2. Low Optical Loss

Reduces mode mismatch and excess signal loss when connecting dissimilar fibers.

3. Better Beam Quality

Helps maintain the fundamental mode and minimize beam quality degradation during fiber transitions.

4. High-Power Handling

Designed for integration into high-power CW fiber lasers and fiber amplifiers, where low loss and reliable power transmission are critical.

5. Flexible Laser Architecture

Allows different fiber types to be integrated within CW laser systems, supporting more flexible designs for amplification, power combining, and beam delivery.

6. Customized Fiber Transition

Fiber configurations can be customized to match specific core diameter, NA, mode field, cladding, and power requirements.