Abstract
In this paper, a novel fiber Bragg grating inscription technique based on a femtosecond laser is presented. The grating was inscribed in close proximity to the tip of an extrinsic Fabry-Perot interferometer (EFPI)-based optical fiber pressure sensor. This therefore represents an optical fiber pressure and temperature sensor (OFPTS) for simultaneous pressure and temperature measurement for use in exactly the same physical location. The temperature measurement can also be used to compensate thermal drift in the EFPI sensor. The Bragg wavelength can be tailored precisely to any given wavelength in the optical spectrum and the degree of reflection can be adjusted to suit the FPI spectrum. The OFPTS has a diameter of 200 $\mu \text{m}$ and is fully biocompatible. Furthermore, the sensor shows a high stability after grating inscription, of better than 0.5% in 20 min. The small size and high stability makes the sensor especially interesting for volume restricted areas, like blood vessels or the brain.
| Original language | English |
|---|---|
| Article number | 7109831 |
| Pages (from-to) | 3396-3402 |
| Number of pages | 7 |
| Journal | IEEE Sensors Journal |
| Volume | 16 |
| Issue number | 10 |
| DOIs | |
| Publication status | Published - May 15 2016 |
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Keywords
- Fabry Perot interferometer
- Femtosecond laser
- Fibre Bragg grating
- OFPTS
- Optical fibre sensor
ASJC Scopus subject areas
- Electrical and Electronic Engineering
- Instrumentation
Cite this
Femtosecond-Laser-Based Inscription Technique for Post-Fiber-Bragg Grating Inscription in an Extrinsic Fabry-Perot Interferometer Pressure Sensor. / Poeggel, Sven; Duraibabu, Dineshbabu; Lacraz, Amedee; Kalli, Kyriacos; Tosi, Daniele; Leen, Gabriel; Lewis, Elfed.
In: IEEE Sensors Journal, Vol. 16, No. 10, 7109831, 15.05.2016, p. 3396-3402.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Femtosecond-Laser-Based Inscription Technique for Post-Fiber-Bragg Grating Inscription in an Extrinsic Fabry-Perot Interferometer Pressure Sensor
AU - Poeggel, Sven
AU - Duraibabu, Dineshbabu
AU - Lacraz, Amedee
AU - Kalli, Kyriacos
AU - Tosi, Daniele
AU - Leen, Gabriel
AU - Lewis, Elfed
PY - 2016/5/15
Y1 - 2016/5/15
N2 - In this paper, a novel fiber Bragg grating inscription technique based on a femtosecond laser is presented. The grating was inscribed in close proximity to the tip of an extrinsic Fabry-Perot interferometer (EFPI)-based optical fiber pressure sensor. This therefore represents an optical fiber pressure and temperature sensor (OFPTS) for simultaneous pressure and temperature measurement for use in exactly the same physical location. The temperature measurement can also be used to compensate thermal drift in the EFPI sensor. The Bragg wavelength can be tailored precisely to any given wavelength in the optical spectrum and the degree of reflection can be adjusted to suit the FPI spectrum. The OFPTS has a diameter of 200 $\mu \text{m}$ and is fully biocompatible. Furthermore, the sensor shows a high stability after grating inscription, of better than 0.5% in 20 min. The small size and high stability makes the sensor especially interesting for volume restricted areas, like blood vessels or the brain.
AB - In this paper, a novel fiber Bragg grating inscription technique based on a femtosecond laser is presented. The grating was inscribed in close proximity to the tip of an extrinsic Fabry-Perot interferometer (EFPI)-based optical fiber pressure sensor. This therefore represents an optical fiber pressure and temperature sensor (OFPTS) for simultaneous pressure and temperature measurement for use in exactly the same physical location. The temperature measurement can also be used to compensate thermal drift in the EFPI sensor. The Bragg wavelength can be tailored precisely to any given wavelength in the optical spectrum and the degree of reflection can be adjusted to suit the FPI spectrum. The OFPTS has a diameter of 200 $\mu \text{m}$ and is fully biocompatible. Furthermore, the sensor shows a high stability after grating inscription, of better than 0.5% in 20 min. The small size and high stability makes the sensor especially interesting for volume restricted areas, like blood vessels or the brain.
KW - Fabry Perot interferometer
KW - Femtosecond laser
KW - Fibre Bragg grating
KW - OFPTS
KW - Optical fibre sensor
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U2 - 10.1109/JSEN.2015.2434772
DO - 10.1109/JSEN.2015.2434772
M3 - Article
VL - 16
SP - 3396
EP - 3402
JO - IEEE Sensors Journal
JF - IEEE Sensors Journal
SN - 1530-437X
IS - 10
M1 - 7109831
ER -