Mach-Zehnder interferometer by utilizing phase modulation of transmitted light through magnetic fluid films possessing tunable refractive index

Chin Yih Hong; S. Y. Yang; K. L. Fang; H. E. Horng; H. C. Yang

doi:10.1016/j.jmmm.2005.02.059

Mach-Zehnder interferometer by utilizing phase modulation of transmitted light through magnetic fluid films possessing tunable refractive index

Chin Yih Hong, S. Y. Yang, K. L. Fang, H. E. Horng^*, H. C. Yang

^*Corresponding author for this work

Undergraduate Program of Electro-Optical Engineering

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

17 Citations (Scopus)

Abstract

Due to its diverse applications in photonics, bio-sensors, mechanics, etc., Mach-Zehnder interferometer becomes one of important devices. Hence, lots of efforts have been paid to develop advanced Mach-Zehnder interferometers. In this work, we explore new-model Mach-Zehnder interferometer, in which one of arm is consisted of magnetic fluid films. By utilizing the tunable refractive index of magnetic fluid films under external magnetic fields, the traveling phase of a propagating light through the magnetic fluid film is changed. This could lead to a variation in the interfered intensity of the Mach-Zehnder interferometer when an external magnetic field is applied. The modulation in the interfered intensity by the external magnetic field is demonstrated experimentally, and the relevant physical origin is also discussed.

Original language	English
Pages (from-to)	71-75
Number of pages	5
Journal	Journal of Magnetism and Magnetic Materials
Volume	297
Issue number	2
DOIs	https://doi.org/10.1016/j.jmmm.2005.02.059
Publication status	Published - 2006 Feb

Keywords

Interferometer
Magnetic fluids

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1016/j.jmmm.2005.02.059

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title = "Mach-Zehnder interferometer by utilizing phase modulation of transmitted light through magnetic fluid films possessing tunable refractive index",

abstract = "Due to its diverse applications in photonics, bio-sensors, mechanics, etc., Mach-Zehnder interferometer becomes one of important devices. Hence, lots of efforts have been paid to develop advanced Mach-Zehnder interferometers. In this work, we explore new-model Mach-Zehnder interferometer, in which one of arm is consisted of magnetic fluid films. By utilizing the tunable refractive index of magnetic fluid films under external magnetic fields, the traveling phase of a propagating light through the magnetic fluid film is changed. This could lead to a variation in the interfered intensity of the Mach-Zehnder interferometer when an external magnetic field is applied. The modulation in the interfered intensity by the external magnetic field is demonstrated experimentally, and the relevant physical origin is also discussed.",

keywords = "Interferometer, Magnetic fluids",

author = "Hong, {Chin Yih} and Yang, {S. Y.} and Fang, {K. L.} and Horng, {H. E.} and Yang, {H. C.}",

note = "Funding Information: This work is supported by National Science Council of ROC under Grant Nos. 93-2112-M-003-007, 93-2120-M-003-001, 93-2112-M-003-017, 93-2212-E-212-001 and 93-2112-M-002-041, and by Ministry of Education, Taiwan under the Grant No. 91-N-FA01-2-4-2.",

year = "2006",

month = feb,

doi = "10.1016/j.jmmm.2005.02.059",

language = "English",

volume = "297",

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journal = "Journal of Magnetism and Magnetic Materials",

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AU - Hong, Chin Yih

AU - Yang, S. Y.

AU - Fang, K. L.

AU - Horng, H. E.

AU - Yang, H. C.

N1 - Funding Information: This work is supported by National Science Council of ROC under Grant Nos. 93-2112-M-003-007, 93-2120-M-003-001, 93-2112-M-003-017, 93-2212-E-212-001 and 93-2112-M-002-041, and by Ministry of Education, Taiwan under the Grant No. 91-N-FA01-2-4-2.

PY - 2006/2

Y1 - 2006/2

N2 - Due to its diverse applications in photonics, bio-sensors, mechanics, etc., Mach-Zehnder interferometer becomes one of important devices. Hence, lots of efforts have been paid to develop advanced Mach-Zehnder interferometers. In this work, we explore new-model Mach-Zehnder interferometer, in which one of arm is consisted of magnetic fluid films. By utilizing the tunable refractive index of magnetic fluid films under external magnetic fields, the traveling phase of a propagating light through the magnetic fluid film is changed. This could lead to a variation in the interfered intensity of the Mach-Zehnder interferometer when an external magnetic field is applied. The modulation in the interfered intensity by the external magnetic field is demonstrated experimentally, and the relevant physical origin is also discussed.

AB - Due to its diverse applications in photonics, bio-sensors, mechanics, etc., Mach-Zehnder interferometer becomes one of important devices. Hence, lots of efforts have been paid to develop advanced Mach-Zehnder interferometers. In this work, we explore new-model Mach-Zehnder interferometer, in which one of arm is consisted of magnetic fluid films. By utilizing the tunable refractive index of magnetic fluid films under external magnetic fields, the traveling phase of a propagating light through the magnetic fluid film is changed. This could lead to a variation in the interfered intensity of the Mach-Zehnder interferometer when an external magnetic field is applied. The modulation in the interfered intensity by the external magnetic field is demonstrated experimentally, and the relevant physical origin is also discussed.

KW - Interferometer

KW - Magnetic fluids

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Mach-Zehnder interferometer by utilizing phase modulation of transmitted light through magnetic fluid films possessing tunable refractive index

Abstract

Keywords

ASJC Scopus subject areas

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