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12 suppliers for plastic optical fibers
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Acronym: POF
Polymer optical fiber (POF) is a promising transmission medium for providing broadband telecommunication services within the customer's premises. POF offers several attractive features for data transmission such as broad bandwidth and low cost for in-house, access, and LAN applications. This article presents a review on optical transmission. Plastic Optical Fiber & Cable – ESKA™ PRODUCT SPECIFICATIONS CK Grade Fiber Optics: Illumination CK20 CK30 CK40 CK60 CK80 CK100 CK120 SK Grade Fiber: Illumination, Sensors, Medical Devices SK10 SK20 SK30 SK40 SK60 SK80 SH Grade Cable: Illumination, Sensors, Short-Distance Data Transfer SH1001 SH2001-1.25 SH2001 (1.0mm) SH2001 (2.2mm) SH2002 SH3001 SH4001 SH4001-1.3 SH4002 SH6001 SH6001-2.2. Our patented Power Over Fiber (PoF) system provides power transmission over three multimode (62.5/125) optical fibers. The PoF system is able to provide true isolated power to a remote location utilizing Laser Light at the transmitter and a photovoltaic power converter at the remote location.
Definition: optical fibers made of polymer materials
More general term: optical fibers
German: optische Plastikfasern
Category: fiber optics and waveguides
How to cite the article; suggest additional literature
Author: Dr. Rüdiger Paschotta
URL: https://www.rp-photonics.com/plastic_optical_fibers.html
Plastic optical fibers are optical fibers made throughout of polymer optical materials.Both the fiber core and the cladding consist of polymers, not only some buffer coatings and jackets.While plastic optical fibers can by far not reach the performance of glass fibers in various respects such as propagation losses and data transmission capacity, they are mechanically more robust and allow for cheaper fiber-optic solutions in some application areas.A typical application is short-range optical data transmission e.g. within industrial environments, homes and cars, where the simpler handling and greater robustness are beneficial, whereas the higher propagation loss is acceptable.POF are also used for illumination purposes, where they distribute light which is generated e.g. with light-emitting diodes.
PMMA (acrylic), polystyrene and polycarbonates are often used for cheap fiber-optic mass applications.As a typical example, a POF may have a PMMA core surrounded by a fluorinated cladding, having a lower refractive index.Alternatively, the core may be doped with some index-raising agent.For high data rates, however, certain perfluorinated polymers such as poly(perfluoro-butenylvinyl ether) are preferred, as they exhibit much lower propagation losses and can be operated at longer wavelengths, where transmitters and receivers as developed for glass fibers can be used.Even with such PVBVE fibers, for example, the propagation losses are typically still of the order of 50 dB/km, i.e., several orders of magnitude higher than for glass fibers.
A relatively novel and not yet widely used development is that of photonic crystal fibers realized with plastic materials.
Fabrication of Polymer Fibers
Plastic optical fibers can be drawn from preforms in a similar process as often used for silica fibers, only with a much lower temperature (e.g. 200 °C) of the preform.The preform may be fabricated starting with a hollow tube of the cladding material, which is then filled with a liquid mixture of the monomer and some reactive agents for polymerization of the core.Alternatively, a dopant may be applied to the inner surface of the tube and diffused into the material, and later on the tube is collapsed.Such processes can be tuned to obtain a variety of refractive index profiles.
An alternative to preform-based method is the use of extrusion processes.Such techniques have originally been used for step-index PMMA fibers, but there also variants for perfluorinated materials.Even though only two different polymer materials are fed into the extruder, gradient-index designs can be realized by employing a carefully controlled diffusion process.
Comparison with Glass Fibers
Plastic optical fibers strongly differ from glass fibers in various respects:
- Many POF have their loss minimum at visible wavelengths, or in the near infrared (at < 1.3 μm) in case of perfluorinated polymers.For comparison, silica fibers have their loss minimum at > 1.5 μm, and some other glasses even at much longer wavelengths.
- A typical POF has high propagation losses of e.g. 50 or 100 dB/km, whereas silica fibers can achieve a few dB/m (multimode fibers) or even well below 1 dB/km (single-mode fibers).Therefore, data transmission with POF is limited to much shorter distances.
- POF are usually multimode fibers with a large core (diameter of the order of 1 mm) and a high numerical aperture (e.g. 0.4), thus supporting a large number of guided modes.This is beneficial when light-emitting diodes are used as data transmitters.In the same way as for glass fibers, intermodal dispersion can be minimized by using graded-index profile designs.POF appear not to be suitable for single-mode guidance.
- POF are mechanically more robust and flexible.Their multimode guidance with a large core and high NA greatly relaxes the tolerances for connectors, so that simple plastic parts can be used and no sophisticated training is required.Due to these reasons, and not cheaper materials, POF allow for substantial cost savings in various applications.
- POF cables can be thinner and more lightweight than mechanically well protected glass fiber cables.
Optical data transmission with plastic optical fibers is expected to find an expanding volume of applications in consumer markets (e.g. home networks), the automotive and aircraft industry.Illumination is the other important application area, which profits from the rapid improvement of light-emitting diodes.
Suppliers
The RP Photonics Buyer's Guide contains 12 suppliers for plastic optical fibers.
Questions and Comments from Users
2021-05-20
How can plastic optical fibers be spliced? We have zero success using standard fusion welders for typical 125-μm glass fibers.
Answer from the author:
There are ways of fusion splicing such fibers, but you need an apparatus which is specifically made for plastic optical fibers.See the referenced paper by M. C. Zanon (2018) in the bibliography.
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Bibliography
| [1] | S. E. Schacham, M. E. Marhic and M. Epstein, “Efficient white laser illuminators for plastic optical fibers”, Appl. Opt. 16 (4), 1041 (1977), doi:10.1364/AO.16.001041 |
| [2] | D. W. Garvey et al., “Single-mode nonlinear-optical polymer fibers”, J. Opt. Soc. Am. B 13 (9), 2017 (1996), doi:10.1364/JOSAB.13.002017 |
| [3] | A. Argyros et al., “Microstructured polymer fiber laser”, Opt. Lett. 29 (16), 1882 (2004), doi:10.1364/OL.29.001882 |
| [4] | A. Kondo and T. Ishigure, “Fabrication process and optical properties of perdeuterated graded-index polymer optical fiber”, J. Lightwave Technol. 23 (8), 2443 (2005), doi:10.1109/JLT.2005.852021 |
| [5] | L. J. Chen et al., “Low-loss subwavelength plastic fiber for terahertz waveguiding”, Opt. Lett. 31 (3), 308 (2006), doi:10.1364/OL.31.000308 |
| [6] | K. Takahashi, T. Ishigure and Y. Koike, “Index profile design for high-bandwidth W-shaped plastic optical fiber”, J. Lightwave Technol. 24 (7), 2867 (2006) |
| [7] | A. Argyros, “Microstructured polymer optical fibers”, J. Lightwave Technol. 27 (11), 1571 (2009) |
| [8] | M. C. Zanon et al., “Practical splicing of poly-methyl-methacrylate plastic optical fibers”, Appl. Opt. 57 (4), 812 (2018), doi:10.1364/AO.57.000812 |
| [9] | A. Inoue and Y. Koike, “Low-noise graded-index plastic optical fiber for significantly stable and robust data transmission”, J. Lightwave Technol. 36 (24), 5887 (2018) |
| [10] | S. Savovic et al., “Power flow in graded-index plastic optical fibers”, J. Lightwave Technol. 37 (19), 4985 (2019) |
See also: fibers, multimode fibers, fiber optics
and other articles in the category fiber optics and waveguides
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