Ultra-Narrow Bandwidth Filters

FBG, DFB & Photosensitive Fibers

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Overview

In this IXC-FBG-PS design, a Phase Shift (PS) is introduced within the middle of the stop band. This PS will lead to a sharp resonance peak visible in the transmission spectrum response and features less than 1 dB of insertion loss.

Our narrow bandwidth transmission filter IXC-FBG-PS can be used as a narrow band transmission filter in telecom as well as in sensing applications. This product can also be used as a cavities of distributed feedback (DFB) fiber laser.

Highlights

Benefits & Features

  • Very narrowband transmission filter lower than 1 GHz bandwidth
  • Low insertion loss at resonant peak
  • Tailored transmission by changing the location and amount of phase shift
  • High temperature stability within a 1 pm/°C
  • Tunability +/- 100 pm

Applications

  • Telecom wavelengths demultiplexing
  • Filtering
  • High resolution sensing (temperature, strain, ultrasonic waves)

Products

Product Specification Datasheet
Components
IXC-FBG-PS < 1 GHz (0.5 typ) FWHM PDF More info
IXC-FBG-PS-1550-1-ATH-PM-C 1550 nm
1 GHz FWHM
PDF More info
IXC-FBG-PS-795-1-PM-FA < 1 GHz (0.5 typ) FWHM
795 +/- 0.05 nm center wavelength
PDF More info
Module
IXC-FBG-PS-M 1 to 4 GHz FWHM
> 25 dB ORR @ 10 Ghz
< 4 dB IL
PDF More info