Michelson interferometric detection for optoacoustic spectroscopy

J. H. Chu; Y. H. Bak; B. K. Kang; U. Kim; K. W. Oum; J. G. Choi; D. S. Ko

doi:10.1016/0030-4018(92)90146-I

Michelson interferometric detection for optoacoustic spectroscopy

J. H. Chu, Y. H. Bak, B. K. Kang, U. Kim, K. W. Oum, J. G. Choi, D. S. Ko

Department of Chemistry

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

5 Citations (Scopus)

Abstract

We have described a Michelson interferometeric optophone which can be used as a sensitive microphone. A Michelson interferometer is constructed with a pellicle beam splitter attached on the wall of the optoacoustic cell. Periodic variation of the pressure inside the cell alter the path difference of the reflected beams, thereby changing the optical interference pattern. The optoacoustic signal can be detected by monitoring the change in the intensity of the interference fringe. This method shows a linear response to small signals and a comparable sensitivity to the conventional microphone.

Original language	English
Pages (from-to)	135-139
Number of pages	5
Journal	Optics Communications
Volume	89
Issue number	2-4
DOIs	https://doi.org/10.1016/0030-4018(92)90146-I
Publication status	Published - 1992 May 1

Bibliographical note

Funding Information:
This work was supported by Non Directed Fund ( 1991 ), Korea Research Foundation, and by the Basic Science Research Institute Program, Ministry of Education, Republic of Korea.

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Physical and Theoretical Chemistry
Electrical and Electronic Engineering

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10.1016/0030-4018(92)90146-I

Cite this

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abstract = "We have described a Michelson interferometeric optophone which can be used as a sensitive microphone. A Michelson interferometer is constructed with a pellicle beam splitter attached on the wall of the optoacoustic cell. Periodic variation of the pressure inside the cell alter the path difference of the reflected beams, thereby changing the optical interference pattern. The optoacoustic signal can be detected by monitoring the change in the intensity of the interference fringe. This method shows a linear response to small signals and a comparable sensitivity to the conventional microphone.",

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T1 - Michelson interferometric detection for optoacoustic spectroscopy

AU - Chu, J. H.

AU - Bak, Y. H.

AU - Kang, B. K.

AU - Kim, U.

AU - Oum, K. W.

AU - Choi, J. G.

AU - Ko, D. S.

N1 - Funding Information: This work was supported by Non Directed Fund ( 1991 ), Korea Research Foundation, and by the Basic Science Research Institute Program, Ministry of Education, Republic of Korea.

PY - 1992/5/1

Y1 - 1992/5/1

N2 - We have described a Michelson interferometeric optophone which can be used as a sensitive microphone. A Michelson interferometer is constructed with a pellicle beam splitter attached on the wall of the optoacoustic cell. Periodic variation of the pressure inside the cell alter the path difference of the reflected beams, thereby changing the optical interference pattern. The optoacoustic signal can be detected by monitoring the change in the intensity of the interference fringe. This method shows a linear response to small signals and a comparable sensitivity to the conventional microphone.

AB - We have described a Michelson interferometeric optophone which can be used as a sensitive microphone. A Michelson interferometer is constructed with a pellicle beam splitter attached on the wall of the optoacoustic cell. Periodic variation of the pressure inside the cell alter the path difference of the reflected beams, thereby changing the optical interference pattern. The optoacoustic signal can be detected by monitoring the change in the intensity of the interference fringe. This method shows a linear response to small signals and a comparable sensitivity to the conventional microphone.

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JO - Optics Communications

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Michelson interferometric detection for optoacoustic spectroscopy

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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