daniele tosi - ofsrc projects portfolio

Optical Fibre Sensors Research Centre PROJECT PORTFOLIO

[University of Limerick, Mar 2013]

Daniele Tosi

[email protected]

www.ofsrc.ul.ie

http://www.ofsrc.ul.ie

http://www.ofsrc.ul.ie

Daniele Tosi - Optical Fibre Sensors Research Centre - project portfolio - UL2013

About us

Cleveland ClinicsEFPI 1.0 demo/licensing(w/ Pointec Ltd)

ItalyFP7 University Federico II, NaplesPolitecnico di Torino (PhD, MSc)IFBG spun-out Zhejiang, China

IFBG licensing/distribution

UL, OFSRC, IrelandMarie Curie Fellow @ OFSRC

EU COST networkFOS partners


Outline

‣ Biomedical extrinsic Fabry-Perot sensors

‣ Radiation therapy dosimetry sensor

‣ Gas/pressure exhaust monitoring

‣ INFRA and Food Monitoring projects

‣ Politecnico di Torino cooperation activities

Broadband source


Capillary

MM fiberSM fiber

FBG

L d

EFPI system

Interrogator

ProcessingCompensation

Daniele Tosi - Optical Fibre Sensors Research Centre - project portfolio - UL2013 Daniele Tosi - Optical Fibre Sensors Research Centre - project portfolio - UL2013

EFPI principle

Pressure

Air-gap length L = L0 - Sp ΔPFP Spectrum ~ S0 + k cos[4π(L - Sp ΔP)/λ]Temperature: L = L0 - Sp ΔP + ST ΔT ⇒ FBG

d

L0 - Sp ΔP


DevelopmentCapillary 220

MM62/200

L d

SM10/125

SM10/125

Original build process

SM on SM Visible wavelength

⍉80μm

⍉40μm

⍉125μm

Visible/NIR wavelength

LPG integration

Evanescent field/SPR bio-chemical sensors

Daniele Tosi - Fiber optics Fabry-Perot interferometers for medical device applications - UL2012

Performance chartMarch 2013 Next release

Size

Accuracy

Sensitivity

Spectrometer

Drift

Integration

Packaging

∅ 200μm ∅125➡80➡40μm

0.2 mmHg 0.02 mmHg

0.5 nm/kPa 1 nm/kPa

5/166pm, 1 kHz 1-10pm, 5kHz

To be quantified <1 mmHg/hr

FBG FBG, LPG, EFS

Stent/catheters Other options


Development

Spectrometer 166 pm resolution5 pm pixel accuracyMax 1 kHz

FBG interrogator 1 pm resolution2 pm accuracy1 Hz + high speed

Switch Circulator

SLEDFBGA

+ high-speed multi-laser interrogation


Urodynamics

InterrogatorDifferential pressure measurementBladder outlet obstruction (BOO) diagnostic

RFP - A novel biomedically compatible optical fibre pressure sensor for clinical diagnostic


Cardiovascular


ApplicationsRobotic surgeryPressure force sensors 0 to 300 mmHg1mmHg accuracy, stability over several hours Miniature size ⍉ 125/80/(40) μm

Intra-aortic balloon (IAB) pumpingPressure sensor 0 to 200 mmHg, istantaneous1mmHg accuracy, <10mmHg stability over daysSize, form factor, redundancy, placement (⍉ 200 μm)

Intra-chranial pressure (ICP)ICP 1 to 20 mmHg

≲0.1 mmHg accuracy, stability over minutesMiniature size ⍉ 200/125/80 μm


Radiation sensor

Galway ClinicPOFgARD project

Radiation therapy POF sensorMonitoring of radiation levels delivered through radiation therapy


Radiation sensor design


Radiation measurement


Gas monitoring


Exhaust monitoring


INFRA project


Food monitoring

Colorimetry + temperature


Torino, Olympic Bridge

Politecnico di Torino, Dept. of Civil Engineering + Dept. of Electronics


Torino, Guarini Chapel

MEMS + POF + architectural study


Venice, German Sinagogue


Dallara, CRF automotive


SFI Ireland/US grant

➡ Web: www.sfi.ie

➡ US-Ireland R&D partnership program

➡ Core areas: health, sensors/sensor networks (2/5)

➡ Ireland (coord.) + US + Northern Ireland

➡ 350k€ ($455k) - 3 years

http://www.sfi.ie

http://www.sfi.ie

daniele tosi - ofsrc projects portfolio

Technology

l0 sp pfp spectrum

cos4l sp ptemperature

processsm80m1012540m

torino phd

efpi principleairgap

irelandmarie curie fellow

lpg integration

release size