D tosi portfolio2013

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


Heart simulatorHeart simulator

Interrogator/processing

Heart pumping

Sensor positioning(short access)

EFPI spectrum

Pressure meas.

SpectrometerASE source

Heart pumpinginletFiber inlet


Demo at Cleveland Clinic

Fluidic sensor(reference)Pulse generator

Cleveland Clinic, OH, USMar 2013

FPI pressure readout

Accuracy 0.1 mmHgStability 1mmHg/hr


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

D tosi portfolio2013

Documents

l0 sp pfp spectrum

cos4l sp ptemperature

processsm80m1012540m

torino phd

efpi principleairgap

irelandmarie curie fellow

lpg integration

release size