Chalcogenide-glass microlenses attached to optical-fiber end surfaces
Optics Letters, Vol. 25, Issue 24, pp. 1759-1761 (2000)
http://dx.doi.org/10.1364/OL.25.001759
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Abstract
Convex microlenses of As2S3 glass have been fabricated on oxide-glass fiber ends by use of a photolithographic technique. As2S3 film evaporated on the end surface of an optical fiber is exposed to light through the opposite end surface, and the film etching is observed under a microscope. This process produces a lens that is automatically positioned on the fiber core. The As2S3 film possesses a high refractive index, which is favorable for production of microlenses with short focal lengths of ∼10 μm.
© 2000 Optical Society of America
[Optical Society of America ]
OCIS Codes
(060.2340) Fiber optics and optical communications : Fiber optics components
(160.2750) Materials : Glass and other amorphous materials
(220.3630) Optical design and fabrication : Lenses
(220.3740) Optical design and fabrication : Lithography
(310.1860) Thin films : Deposition and fabrication
(350.3950) Other areas of optics : Micro-optics
Citation
Akira Saitoh, Tamihiro Gotoh, and Keiji Tanaka, "Chalcogenide-glass microlenses attached to optical-fiber end surfaces," Opt. Lett. 25, 1759-1761 (2000)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-25-24-1759
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