Sound generation using photoacoustic effect

Kaoru Yamabe, Yasuhiro Oikawa, Yoshio Yamasaki

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

It is highly important to generate a point sound source in mid air for several applications such as virtual realty and precise acoustic measurement since most of acoustic theories are based on a point sound source. One possible solution for generating a point sound source in mid air is the photoacoustic effect that generates sounds from the alternate-current components of air expansion due to the heat generated by light absorption of a material when light modulated with acoustic signal is radiated to a material. To apply this method to molecule of gases in mid air, it is possible to generate a point sound source in mid air. Thus, for the first step to realize this possibility, this paper attempt to confirm that it is possible to generate audible sounds using the photoacoustic effect. In particular, this paper describes the sound generation using a charcoal that has high absorptive power and a halogen lamp that can produce high intensity infrared light, which is easier, absorbed by gas molecules than visible light.

Original languageEnglish
Title of host publicationProceedings of Meetings on Acoustics
Volume19
DOIs
Publication statusPublished - 2013
Externally publishedYes
Event21st International Congress on Acoustics, ICA 2013 - 165th Meeting of the Acoustical Society of America - Montreal, QC, Canada
Duration: 2013 Jun 22013 Jun 7

Other

Other21st International Congress on Acoustics, ICA 2013 - 165th Meeting of the Acoustical Society of America
CountryCanada
CityMontreal, QC
Period13/6/213/6/7

Fingerprint

acoustics
air
charcoal
acoustic measurement
electromagnetic absorption
gases
halogens
luminaires
molecules
heat
expansion

ASJC Scopus subject areas

  • Acoustics and Ultrasonics

Cite this

Yamabe, K., Oikawa, Y., & Yamasaki, Y. (2013). Sound generation using photoacoustic effect. In Proceedings of Meetings on Acoustics (Vol. 19). [030114] https://doi.org/10.1121/1.4799307

Sound generation using photoacoustic effect. / Yamabe, Kaoru; Oikawa, Yasuhiro; Yamasaki, Yoshio.

Proceedings of Meetings on Acoustics. Vol. 19 2013. 030114.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Yamabe, K, Oikawa, Y & Yamasaki, Y 2013, Sound generation using photoacoustic effect. in Proceedings of Meetings on Acoustics. vol. 19, 030114, 21st International Congress on Acoustics, ICA 2013 - 165th Meeting of the Acoustical Society of America, Montreal, QC, Canada, 13/6/2. https://doi.org/10.1121/1.4799307
Yamabe K, Oikawa Y, Yamasaki Y. Sound generation using photoacoustic effect. In Proceedings of Meetings on Acoustics. Vol. 19. 2013. 030114 https://doi.org/10.1121/1.4799307
Yamabe, Kaoru ; Oikawa, Yasuhiro ; Yamasaki, Yoshio. / Sound generation using photoacoustic effect. Proceedings of Meetings on Acoustics. Vol. 19 2013.
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