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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 13, Iss. 1 — Jan. 1, 1974
  • pp: 89–94

Microlenses for Coupling Junction Lasers to Optical Fibers

L. G. Cohen and M. V. Schneider  »View Author Affiliations


Applied Optics, Vol. 13, Issue 1, pp. 89-94 (1974)
http://dx.doi.org/10.1364/AO.13.000089


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Abstract

Microscopic lenses, fabricated on optical fiber surfaces, have quadrupled the efficiency for coupling astigmatic beams from GaAs junction lasers into 4-μm cores of single-mode fibers. A novel photolithographic technique was used to make hemispherical and hemicylindrical microlenses, with diameters between 4 μm and 10 μm, from commercially available negative type photoresist that is transparent at ir laser wavelengths. Geometrical profiles of photoresist lenses, documented with scanning electron photomicrographs, were remarkably smooth even though their dimensions were more than an order of magnitude smaller than other known lenses.

© 1974 Optical Society of America

History
Original Manuscript: June 13, 1973
Published: January 1, 1974

Citation
L. G. Cohen and M. V. Schneider, "Microlenses for Coupling Junction Lasers to Optical Fibers," Appl. Opt. 13, 89-94 (1974)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-13-1-89

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