The ultra narrow-band fiber grating filter

Citation

Y. Kong, Li Diao, Fei Gao, Wenlong Wang, Chen Deng, Yuming Wang, Keke Song, Liang Kai Zhao, and Mingming Shen, (2014). The ultra narrow-band fiber grating filter. Optik, 125, 1220–1222. http://dx.doi.org/10.1016/j.ijleo.2013.07.155

Keywords

  • Ultra narrow-band fiber grating filter
  • Fiber Bragg grating (FBG)
  • Optical circulators
  • Narrow-band output spectrum
  • 1064 nm center wavelength
  • 0.017 nm bandwidth
  • Space optical communication
  • Signal-to-noise ratio (SNR)
  • Background noise
  • Optic fiber communication
  • Fiber sensing
  • Laser tuning
  • Atomic resonance filter
  • Thin-film interference filter
  • Fabry–Perot (F–P) filter
  • Bragg grating filter
  • Phase grating
  • Reflectivity
  • Phase mask
  • Ultraviolet light exposure technology
  • Refractive index
  • Hydrogen-loaded fiber

Brief

The article proposes and experimentally demonstrates an ultra narrow-band fiber grating filter composed of two fiber Bragg gratings and two optical circulators, achieving a narrow output spectrum with a 1064 nm center wavelength and 0.017 nm bandwidth.

Summary

This article proposes and experimentally shows a new ultra narrow-band fiber grating filter made with two fiber Bragg gratings and two optical circulators. It achieved a very narrow bandwidth (0.017 nm) at 1064 nm, which is useful for applications like space optical communication by reducing noise and could also be used in laser tuning and fiber sensing. The filter's bandwidth was also found to be stable with temperature changes.

Origin: https://sci.bban.top/pdf/10.1016/j.ijleo.2013.07.155.pdf#

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