Optical to electrical backshell connector
a backshell connector and optical fiber technology, applied in the field of fiber optics, can solve the problems of electrical system interfaces, frequent connection and disconnect of cables, and difficult control of optical fiber interfaces between optical fibers and electrical systems, so as to reduce parasitics and improve performan
Active Publication Date: 2008-07-10
RAYTHEON CO
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- Application Information
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Benefits of technology
This solution provides a reliable and efficient electrical interface, simplifying maintenance, reducing the need for optical cleaning, and allowing for easier troubleshooting and scalability, while improving system performance by integrating optics inside the cable backshell.
Problems solved by technology
The optical interface, however, between an optical fiber and an electrical system is one of the most difficult interfaces to control from the standpoint of reliability, producibility and maintainability.
In certain applications, however, the cable is frequently connected and disconnected, requiring frequent inspection and cleaning of the optical connectors.
This can be particularly difficult and time consuming for applications using several connectors, or for portable systems being used in the field.
Method used
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[0025]Illustrative embodiments and exemplary applications will now be described with reference to the accompanying drawings to disclose the advantageous teachings of the present invention.
[0026]While the present invention is described herein with reference to illustrative embodiments for particular applications, it should be understood that the invention is not limited thereto. Those having ordinary skill in the art and access to the teachings provided herein will recognize additional modifications, applications, and embodiments within the scope thereof and additional fields in which the present invention would be of significant utility.
[0027]FIG. 1 is a three-dimensional view of a conventional optical backshell connector 10. The backshell 10 includes a housing 12 having an input boot 14 for receiving an optical cable 16 and an optical output connector 18 for connecting with a mating adapter 20 (on an electrical system having an optical receiver). In FIG. 1, the top cover of the hou...
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An optical cable backshell connector for an optical cable having a plurality of optical fibers and a protective jacket. The novel backshell connector includes a backshell housing secured to the protective jacket and a mechanism disposed within the housing for converting optical signals from the optical fibers into electrical signals. In an illustrative embodiment, the backshell includes a plurality of receiver subassemblies, each receiver subassembly adapted to receive an optical signal from one of the optical fibers and convert the optical signal to an electrical signal. The backshell also includes an electrical output connector adapted to output the electrical signals to an electronics module. In a preferred embodiment, each receiver subassembly includes a photodiode and a matching circuit integrated into a single package. An optical ferrule is attached to each fiber for coupling the fiber to the receiver subassembly.
Description
BACKGROUND OF THE INVENTION[0001]1. Field of the Invention[0002]The present invention relates to fiber optics. More specifically, the present invention relates to backshell connectors for optical fiber cables.[0003]2. Description of the Related Art[0004]Fiber optics is used in an ever increasing number of system designs. Optical fibers permit data transmission over longer distances and at higher data rates than electronic transmission. The optical interface, however, between an optical fiber and an electrical system is one of the most difficult interfaces to control from the standpoint of reliability, producibility and maintainability.[0005]An optical fiber cable typically includes several optical fibers enclosed in a protective jacket. The ends of the cable are typically terminated by optical fiber connectors, or backshells, which allow the optical fibers to be connected to an electrical system. The electrical system includes a receiver module having a mating connector to which the...
Claims
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IPC IPC(8): H01J5/02
CPCG02B6/4201G02B6/428G02B6/4284
Inventor ROLLINGER, ANDREW R.
Owner RAYTHEON CO