Patent
Method for preparing fiber-optic polarizer
Shiao-Min Tseng,Ssu-Pin Ma,Kun-Fa Chen,Kuang-Yu Hsu +3 more
- 14 Mar 1997
51
TL;DR: In this article, the cladding layer of a single-mode optical fiber is side-polished to form a planar surface contiguous to the core region of the optical fiber, which is then coated with a medium having a refractive index matching to that of the fiber.
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Abstract: A method for preparing a fiber-optic polarizer involves a first step in which the cladding layer of a single-mode optical fiber is side-polished to form a planar surface contiguous to the core region of the single-mode optical fiber. The planar surface is formed thereon a buffer dielectric/metal composite thin film, or the planar surface is coated by sputtering with a metal layer which is then coated with a medium having a refractive index matching to that of the optical fiber. The polishing of the single-mode optical fiber is done by using a semiconductor substrate having one or more V-shaped recesses having a large curvature radius.
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Citations
Patent
Devices and methods for side-coupling optical fibers to optoelectronic components
Evan G. Colgan,Fuad E. Doany,Bruce K. Furman,Daniel J. Stigliani +3 more
- 01 Apr 2005
TL;DR: In this article, a modified silicon V-groove array is used for side-coupling light to/from optical fibers, where the fiber core can be recessed below the surface of the silicon substrate such that a precisely controlled portion of the cladding layer extending above the silicon surface can be removed.
102
Patent
Fiber optic attenuators and attenuation systems
Gregory A. Wagoner,Kevin J. Mccallion,Gary O. Jameson +2 more
- 18 Feb 1999
TL;DR: In this article, a controllable material is formed over the surface for controllably extracting optical energy according to a changeable stimulus applied thereto, which affects the refractive index thereof.
62
Patent
Back lighting apparatus of liquid crystal display using optical fiber
Sung-Sik Kim,Jung-Young Son,Vadim V. Smirnov,Yong-Jin Choi,Hyuk-Soo Lee,Ji-Eun Pan +5 more
- 03 Jan 2001
TL;DR: In this paper, a back lighting apparatus of a liquid crystal display apparatus includes a light source for generating light, a plurality of optical fibers having both ends optically connected with the light source and a part of the optical fibers attached to the back surface of the display panel.
47
Patent
Thin film structures in devices with a fiber on a substrate
Shulai Zhao,Bo Pi +1 more
- 27 Jun 2001
TL;DR: In this article, thin-film techniques in forming fiber devices that engage fibers to a substrate with different material properties have been used to achieve structure buffering, diffusion bonding, and thickness monitoring.
46
Patent
Devices based on fibers engaged to substrates with grooves
Shulai Zhao,Bo Pi +1 more
- 12 Jul 2001
TL;DR: In this article, the authors describe fiber optical devices formed on substrates fabricated with grooves that operate based on evanescent optical coupling through a side-polished fiber surface in each fiber involved.
40
References
Patent
Fiber optic directional coupler
Herbert J. Shaw,Ralph A. Bergh,Herve Lefevre +2 more
- 08 Sep 1982
TL;DR: In this paper, the coupler employs generally parallel, intersecting strands of fiber optic material having the cladding removed on one side thereof to within a few microns of the fiber cores in the region of intersection to permit light transfer between the strands.
146
Patent
Optical fiber coupler
Ryozo Yamauchi,Noboru Kawakami,Fumio Suzuki +2 more
- 19 Mar 1990
TL;DR: In this article, the optical fiber coupler is characterized for a defined section in which two or more component optical fibers are thermally fused and elongated, and the tension employed is such that by virtue of remaining stress, the core is reduced.
119
Patent
Optical fiber polarization beam splitter
Fumio Suzuki,Arikawa Toru,Noboru Kawakami,Kuniharu Himeno,Kikuchi Yoshio,Fukuda Takeru +5 more
- 15 Aug 1989
TL;DR: In this paper, the polishing surfaces of an optical fiber which is polished up to an adjacent part of a core to be opposed to each other, and interposing a dielectric layer whose refractive index is different from a refractive indices of a clad of the optical fiber between these polished surfaces is proposed.
2
Patent
Improved optical coupler
Michael Failes
- 25 Apr 1989
TL;DR: In this article, an improved optical coupler has been proposed to reduce the externally induced stress on the fibers in the region of optical contact, which has improved performance at room temperature and a greater thermal operating range.
1
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