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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 40, Iss. 35 — Dec. 10, 2001
  • pp: 6515–6526

Six-degrees-of-freedom alignment of two-dimensional array components by use of off-axis linear Fresnel zone plates

Michael H. Ayliffe, Marc Châteauneuf, David R. Rolston, Andrew G. Kirk, and David V. Plant  »View Author Affiliations


Applied Optics, Vol. 40, Issue 35, pp. 6515-6526 (2001)
http://dx.doi.org/10.1364/AO.40.006515


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Abstract

A novel six-degrees-of-freedom (six-DOFs) alignment technique for assembling two-dimensional array components is presented. The technique uses off-axis linear Fresnel zone plates on one component that are combined with alignment targets on the other. The technique is compact and sensitive to all six DOFs; it was used to package an array of microlenses with a 32 × 32 array of GaAs multiple-quantum-well modulators flip-chip bonded to a 9 mm × 9 mm complementary-metal-oxide-semiconductor chip. By use of interference fringes to control the tilt misalignment, the worst-case misalignment of the microlenses relative to the chip is calculated to be as follows: lateral = 3.0 µm, rotational = 0.023°, longitudinal = 13 µm, and tilt = 0.022°. We also propose alternative implementations of the technique, including one that uses on-chip photodetectors to automate this six-DOF alignment technique.

© 2001 Optical Society of America

OCIS Codes
(050.1380) Diffraction and gratings : Binary optics
(060.4510) Fiber optics and optical communications : Optical communications
(200.2610) Optics in computing : Free-space digital optics
(200.4650) Optics in computing : Optical interconnects
(200.4880) Optics in computing : Optomechanics
(350.3950) Other areas of optics : Micro-optics

History
Original Manuscript: January 9, 2001
Revised Manuscript: August 22, 2001
Published: December 10, 2001

Citation
Michael H. Ayliffe, Marc Châteauneuf, David R. Rolston, Andrew G. Kirk, and David V. Plant, "Six-degrees-of-freedom alignment of two-dimensional array components by use of off-axis linear Fresnel zone plates," Appl. Opt. 40, 6515-6526 (2001)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-40-35-6515

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