Referenced Items are not available for this document.
We report the fabrication and characterization of a highly sensitive refractive-index sensor based on a long-period grating (LPG) pair with a fiber-taper section in between. Two LPGs with ∼3-dB transmissivity form an in-fiber Mach-Zehnder interferometer. A fiber taper is made between the two LPGs to improve and tailor the sensitivity of the sensor. Enhanced sensitivity, which is about five times higher than that of a normal LPG pair, is achieved in the experiment.
Published in:
Photonics Technology Letters, IEEE
(Volume:17
,
Issue:
6
)
Date of Publication: June 2005
- Page(s):
- 1247 - 1249
- ISSN :
- 1041-1135
- INSPEC Accession Number:
- 8443330
- Digital Object Identifier :
- 10.1109/LPT.2005.847437
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 23 May 2005
- Issue Date :
- June 2005
- Sponsored by :
- IEEE Photonics Society
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