Electromagnetic radiation detection using cantilever-based photoacoustic effect: A method for realizing power detectors with broad spectral sensitivity and large dynamic range

Sucheta Sharma; Toni Laurila; Jussi Rossi; Juho Uotila; Markku Vainio; Farshid Manoocheri; Erkki Ikonen

doi:10.1016/j.sna.2021.113191

Electromagnetic radiation detection using cantilever-based photoacoustic effect: A method for realizing power detectors with broad spectral sensitivity and large dynamic range

Sucheta Sharma^*, Toni Laurila, Jussi Rossi, Juho Uotila, Markku Vainio, Farshid Manoocheri, Erkki Ikonen

^*Corresponding author for this work

Research output: Contribution to journal › Article › Scientific › peer-review

4 Citations (Scopus)

Abstract

A sensitive photoacoustic detection approach employing a silicon cantilever is investigated for power measurement of electromagnetic radiation. The technique which is actuated by pressure waves generated through radiation-induced heat depicts high sensitivity for a considerably large spectral range from 325 nm to 1523 nm. The implemented method shows linear response in the measurement of radiation power from 15 nW to 6 mW demonstrating a dynamic range of almost six orders of magnitude. A numerical model has been developed to analyze and optimize the measurement sensitivity. The model allows studying different dimensions of the cantilever which is one of the key components of the radiation detection process. The numerical results are in good agreement with experimental results. The electromagnetic power detection technique shows future potential for industrial applications and scientific studies.

Original language	English
Article number	113191
Number of pages	8
Journal	Sensors and Actuators A: Physical
Volume	337
Early online date	23 Oct 2021
DOIs	https://doi.org/10.1016/j.sna.2021.113191
Publication status	Published - 16 Apr 2022
MoE publication type	A1 Journal article-refereed

Funding

This project is funded by the Academy of Finland Flagship Programme, Photonics Research and Innovation (PREIN), Finland, decision number: 320167 . The project is also a part of Universal Electromagnetic Radiation Detector (UNIDET) research project, which is funded by the Academy of Finland , Finland, (Project numbers 314363 and 314364).

Keywords

Cantilever pressure sensor
Detectors
Optical metrology
Photoacoustic
Photoacoustic numerical model
Radiation detection
Soot

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10.1016/j.sna.2021.113191

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Sharma, S., Laurila, T., Rossi, J., Uotila, J., Vainio, M., Manoocheri, F., & Ikonen, E. (2022). Electromagnetic radiation detection using cantilever-based photoacoustic effect: A method for realizing power detectors with broad spectral sensitivity and large dynamic range. Sensors and Actuators A: Physical, 337, Article 113191. https://doi.org/10.1016/j.sna.2021.113191

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abstract = "A sensitive photoacoustic detection approach employing a silicon cantilever is investigated for power measurement of electromagnetic radiation. The technique which is actuated by pressure waves generated through radiation-induced heat depicts high sensitivity for a considerably large spectral range from 325 nm to 1523 nm. The implemented method shows linear response in the measurement of radiation power from 15 nW to 6 mW demonstrating a dynamic range of almost six orders of magnitude. A numerical model has been developed to analyze and optimize the measurement sensitivity. The model allows studying different dimensions of the cantilever which is one of the key components of the radiation detection process. The numerical results are in good agreement with experimental results. The electromagnetic power detection technique shows future potential for industrial applications and scientific studies.",

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author = "Sucheta Sharma and Toni Laurila and Jussi Rossi and Juho Uotila and Markku Vainio and Farshid Manoocheri and Erkki Ikonen",

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Electromagnetic radiation detection using cantilever-based photoacoustic effect: A method for realizing power detectors with broad spectral sensitivity and large dynamic range. / Sharma, Sucheta; Laurila, Toni; Rossi, Jussi et al.
In: Sensors and Actuators A: Physical, Vol. 337, 113191, 16.04.2022.

Research output: Contribution to journal › Article › Scientific › peer-review

TY - JOUR

T1 - Electromagnetic radiation detection using cantilever-based photoacoustic effect

T2 - A method for realizing power detectors with broad spectral sensitivity and large dynamic range

AU - Sharma, Sucheta

AU - Laurila, Toni

AU - Rossi, Jussi

AU - Uotila, Juho

AU - Vainio, Markku

AU - Manoocheri, Farshid

AU - Ikonen, Erkki

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AB - A sensitive photoacoustic detection approach employing a silicon cantilever is investigated for power measurement of electromagnetic radiation. The technique which is actuated by pressure waves generated through radiation-induced heat depicts high sensitivity for a considerably large spectral range from 325 nm to 1523 nm. The implemented method shows linear response in the measurement of radiation power from 15 nW to 6 mW demonstrating a dynamic range of almost six orders of magnitude. A numerical model has been developed to analyze and optimize the measurement sensitivity. The model allows studying different dimensions of the cantilever which is one of the key components of the radiation detection process. The numerical results are in good agreement with experimental results. The electromagnetic power detection technique shows future potential for industrial applications and scientific studies.

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KW - Detectors

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KW - Photoacoustic

KW - Photoacoustic numerical model

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Electromagnetic radiation detection using cantilever-based photoacoustic effect: A method for realizing power detectors with broad spectral sensitivity and large dynamic range

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