Voice transmission via frequency-modulated diode laser light

Seung Koo Lee; Deok In Kim; Gee Na Kim; D. Cho

doi:10.1119/1.2348893

Voice transmission via frequency-modulated diode laser light

Seung Koo Lee, Deok In Kim, Gee Na Kim, D. Cho

Department of Physics

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

2 Citations (Scopus)

Abstract

We have built a tabletop frequency modulation (FM) communication system that uses a laser field as the carrier. Voice information is encoded on the laser beam using an acousto-optic modulator, and it is extracted by a Michelson-type interferometer and a FM radio. This system can easily be converted to an intensity-modulated communication system. We discuss similar systems based on phase or polarization modulation using an electro-optic modulator.

Original language	English
Pages (from-to)	1037-1039
Number of pages	3
Journal	American Journal of Physics
Volume	74
Issue number	11
DOIs	https://doi.org/10.1119/1.2348893
Publication status	Published - 2006 Nov

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1119/1.2348893

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title = "Voice transmission via frequency-modulated diode laser light",

abstract = "We have built a tabletop frequency modulation (FM) communication system that uses a laser field as the carrier. Voice information is encoded on the laser beam using an acousto-optic modulator, and it is extracted by a Michelson-type interferometer and a FM radio. This system can easily be converted to an intensity-modulated communication system. We discuss similar systems based on phase or polarization modulation using an electro-optic modulator.",

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AU - Cho, D.

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AB - We have built a tabletop frequency modulation (FM) communication system that uses a laser field as the carrier. Voice information is encoded on the laser beam using an acousto-optic modulator, and it is extracted by a Michelson-type interferometer and a FM radio. This system can easily be converted to an intensity-modulated communication system. We discuss similar systems based on phase or polarization modulation using an electro-optic modulator.

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Voice transmission via frequency-modulated diode laser light

Abstract

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