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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 24 — Nov. 23, 2009
  • pp: 21882–21890

CO2 laser induced long period gratings in optical microfibers

Haifeng Xuan, Wei Jin, and Min Zhang  »View Author Affiliations

Optics Express, Vol. 17, Issue 24, pp. 21882-21890 (2009)

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Long period gratings (LPGs) are fabricated by use of focused high frequency CO2 laser pulses to periodically modify the transverse dimension of silica microfibers. A 20-period LPG with a 27dB attenuation dip is realized in a microfiber with a diameter of ~6.3μm. The resonant wavelength has a negative temperature coefficient and a high sensitivity to external refractive index. The microfiber LPGs may be useful in micron scale in-fiber devices and sensors.

© 2009 OSA

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(230.3990) Optical devices : Micro-optical devices

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: September 30, 2009
Revised Manuscript: October 24, 2009
Manuscript Accepted: October 24, 2009
Published: November 13, 2009

Haifeng Xuan, Wei Jin, and Min Zhang, "CO2 laser induced long period gratings in optical microfibers," Opt. Express 17, 21882-21890 (2009)

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