Extrinsic Optical Fiber Sensor for Medical Audiometric Applications

• Authors: K. Prokopczuk , T. Poczęsny , P. Sobotka , A. Domański
• Languages of publication: EN

Abstracts

EN

The paper presents optical fiber sensor designed for medical audiometric measurements. Currently, highly precise audiometric examinations require attachment of reflective element inside the ear. We propose alternative contactless optical and non-invasive method for audiometric applications. Presented sensor utilizes extrinsic intensity modulation combined with interferometric method to measure low amplitude vibrations with flat frequency response curve and no resonance effects. Experiment was performed with tympanic membrane model stimulated by external loudspeaker. Experimental results show usage possibility of presented sensor for laryngological and audiometric tests of ear membrane response, which is important for both diagnosis and implants sensitivity fitting for people with hearing deficits.

Keywords

EN

42.81.Pa; 42.79.Pw

Discipline

• 42.79.Pw: Imaging detectors and sensors(see also 85.60.Gz Photodetectors)
• 42.81.Pa: Sensors, gyros

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2012
• Volume: 122
• Issue: 5
• Pages: 957-961

Dates

published

2012-11

Contributors

author

K. Prokopczuk

• Faculty of Physics, Warsaw University of Technology, Koszykowa 75, 00-662 Warszawa, Poland

author

T. Poczęsny

• Faculty of Physics, Warsaw University of Technology, Koszykowa 75, 00-662 Warszawa, Poland

author

P. Sobotka

• Faculty of Physics, Warsaw University of Technology, Koszykowa 75, 00-662 Warszawa, Poland

author

A. Domański

• Faculty of Physics, Warsaw University of Technology, Koszykowa 75, 00-662 Warszawa, Poland

References

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Identifiers

DOI

10.12693/APhysPolA.122.957