Anshan Phptonics Land Technology Co.,Ltd.

Fiber Bragg Grating (FBG) is an important online fiber filtering and sensing device, which is usually achieved by periodically modulating the refractive index of the fiber core using ultraviolet laser

As the grating period changes, the wavelength reflected by the fiber Bragg grating will correspondingly change.To sense stress or temperature changes. For humidity sensitive optical fibers, as humidit

Basic principlesMulti core fiber is a special type of fiber that contains multiple independent cores, each of which can be written into a fiber Bragg grating. By measuring the wavelength variati...

Fiber Bragg Grating (FBG) is an important online fiber filtering and sensing device, which is usually achieved by periodically modulating the refractive index of the fiber core using ultraviolet laser

1650nm fiber Bragg grating filter is an important device for communication link detection in the field of optical communication. The principle is equivalent to a band pass filter, which completely ref

1650nm fiber Bragg grating filter is an important device for communication link detection in the field of optical communication. The principle is equivalent to a band pass filter, which completely ref

1650nm fiber Bragg grating filter is an important device for communication link detection in the field of optical communication. The principle is equivalent to a band pass filter, which completely ref

1650nm fiber Bragg grating filter is an important device for communication link detection in the field of optical communication. The principle is equivalent to a band pass filter, which completely ref

The intrinsic type Φ - OTDR is based on Rayleigh scattering signals for interferometric measurement, so useful vibration signals must be extracted from the complex Rayleigh signals, which increases th

Basic principlesOn the basis of shape sensing principle, adding torsion to optical fibers to achieve measurement of torsion.2. Production processDuring the process of fiber rotation, it is combi...