journal article·2020-09-01Open access

Diamond encapsulated silicon optical fibers synthesized by chemical vapor deposition

Alex T. Hendrickson, Kadek W. Hemawan, Michael G. Coco, Steve C. Aro, Sean A. McDaniel, Pier J. Sazio, Gary Cook, John V. Badding, Russell J. Hemley

AIP Advances· Volume 10· Issue 9

Abstract

Semiconductor optical fibers encapsulated in a protective diamond coating can theoretically lead to immense power handling capabilities and infrared functionality. Here, silicon optical fibers are grown using high pressure chemical vapor deposition before being coated by 50 μm–300 μm of diamond by microwave plasma-assisted chemical vapor deposition. This coating extends conformally around the fiber cross section with diamond crystallites in the film on the order of several micrometers. Complete coating of high-quality diamond around the fiber is indicated by scanning electron microscopy and Raman measurements. The encapsulated silicon fibers are durable enough to survive the diamond deposition process, as demonstrated by their ability to guide infrared light.
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Research context

OpenAlex topics: Advanced Fiber Laser Technologies · Advanced Fiber Optic Sensors · Photonic Crystal and Fiber Optics

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Chemistry, Pennsylvania State University 1 , University Park, Pennsylvania 16802, USA

Department of Civil and Environmental Engineering, The George Washington University 2 , Washington, DC 20052, USA

Air Force Research Laboratory, Wright Patterson Air Force Base 3 , Dayton, Ohio 45433, USA

Optoelectronics Research Centre, University of Southampton 4 , Southampton SO17 1BJ, United Kingdom

Department of Materials Science and Engineering, Pennsylvania State University 5 , University Park, Pennsylvania 16802, USA

Department of Physics, Pennsylvania State University 6 , University Park, Pennsylvania 16802, USA

Department of Physics, University of Illinois at Chicago 7 , Chicago, Illinois 60607, USA

Department of Chemistry, University of Illinois at Chicago 8 , Chicago, Illinois 60607, USA

Funding

U.S. Department of Energy · Air Force Research Laboratory

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