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Optics Letters

Optics Letters


  • Vol. 6, Iss. 12 — Dec. 1, 1981
  • pp: 636–638

Metallic-glass fiber-optic phase modulators

Frank R. Trowbridge and Ronald L. Phillips  »View Author Affiliations

Optics Letters, Vol. 6, Issue 12, pp. 636-638 (1981)

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Three different optical-fiber phase modulators utilizing the magnetostrictive properties of a metallic-glass alloy were constructed. By binding the optical fiber to the magnetostrictive metallic glass, the strain induced in the metallic glass that is due to the magnetic field is transferred to the optical fiber. Two ring and one flat linear modulator configurations were investigated. Each modulator's performance was evaluated by measuring the induced phase shift as a function of the excitation frequency of the magnetic field normalized by the fiber length. The highest sensitivity of 75 mrad/cm-Oe was attained for the linear modulator.

© 1981 Optical Society of America

Original Manuscript: August 5, 1981
Published: December 1, 1981

Frank R. Trowbridge and Ronald L. Phillips, "Metallic-glass fiber-optic phase modulators," Opt. Lett. 6, 636-638 (1981)

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