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Applied Optics

Applied Optics


  • Vol. 40, Iss. 5 — Feb. 10, 2001
  • pp: 678–682

Characterization of wave fronts of light beams by use of tunneling cantilevers

Daniela Dragoman and Mircea Dragoman  »View Author Affiliations

Applied Optics, Vol. 40, Issue 5, pp. 678-682 (2001)

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We show that by use of an array of micromechanical tunneling cantilevers we can determine the amplitude and phase profile of an incident light beam. When there is no phase jump the phase profile can be determined by the measurement of two sets of the tunneling currents that correspond to a steplike applied bias, which induces a Franz–Keldysh effect in the cantilevers. The case of phase jump is also discussed.

© 2001 Optical Society of America

OCIS Codes
(130.0130) Integrated optics : Integrated optics
(130.6010) Integrated optics : Sensors
(230.0230) Optical devices : Optical devices
(230.3120) Optical devices : Integrated optics devices

Original Manuscript: May 9, 2000
Revised Manuscript: October 6, 2000
Published: February 10, 2001

Daniela Dragoman and Mircea Dragoman, "Characterization of wave fronts of light beams by use of tunneling cantilevers," Appl. Opt. 40, 678-682 (2001)

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