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Proceedings Paper

Nanodiamond coated Bragg gratings for sensing applications
Author(s): N. J. Alberto; J. A. Santos; C. A. F. Marques; V. F. S. Neto; R. N. Nogueira
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Paper Abstract

In this paper, the coating of optical Bragg gratings with nanocrystalline diamond, obtained by hot filament chemical vapor deposition (HFCVD), is described. Due to the high temperature coating process, uniform fiber Bragg gratings (FBG) were erased during the diamond deposition. However, in the case of regenerated fiber Bragg gratings (RFBG), although attenuated, the optical signal is maintained. The results of the thermal and mechanical characterization of diamond coated RFBG (D-RFBG) suggest that they may be an important tool in the sensing field, including monitoring of high temperatures under harsh environments.

Paper Details

Date Published: 17 October 2012
PDF: 4 pages
Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 842120 (17 October 2012); doi: 10.1117/12.974993
Show Author Affiliations
N. J. Alberto, Instituto de Telecomunicações (Portugal)
Univ. of Aveiro (Portugal)
J. A. Santos, Univ. of Aveiro (Portugal)
C. A. F. Marques, Instituto de Telecomunicações (Portugal)
V. F. S. Neto, Univ. of Aveiro (Portugal)
R. N. Nogueira, Instituto de Telecomunicações (Portugal)

Published in SPIE Proceedings Vol. 8421:
OFS2012 22nd International Conference on Optical Fiber Sensors
Yanbiao Liao; Wei Jin; David D. Sampson; Ryozo Yamauchi; Youngjoo Chung; Kentaro Nakamura; Yunjiang Rao, Editor(s)

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