Active phase-shifted fiber grating is a kind of ultra-narrow band fiber grating used in distributed feedback (DFB) fiber lasers. By writing the phase-shifted Bragg fiber grating on the active fiber, the output of ultra-narrow linewidth laser can be realized. Active phase-shifted fiber Bragg grating (APG) has the characteristics of small volume, good stability and easy integration. Combined with active fiber with different doping, ultra-narrow linewidth fiber laser products with different working wavelengths can be realized.

Product Features:

Ultra-narrow transmission bandwidth

High side mode rejection ratio

Low gain threshold

High slope efficiency

The grating structure parameters are flexible and customized

Product Application:

Laser laser radar

Hydrophone device

Gravitational wave detection

Spectral analysis

Coherent communication

Product Indicators: