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FO Series Fiber Optic Slip Ring (Fiber-Electric Rotary Joint
 
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Anmeldungsdatum: 12.04.2022
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BeitragVerfasst am: 22. Mai 2023 11:10    Titel: FO Series Fiber Optic Slip Ring (Fiber-Electric Rotary Joint Antworten mit Zitat

FO Series Fiber Optic Slip Ring (Fiber-Electric Rotary Joint)



FO series Fiber Optic slip ring also called Fiber-Electric slip ring,Fiber Optic Rotary Joint. Adopt fiber to trasmit signal, used to any devices to transmit elctricity and Fiber signal when 360° rotating ,such as HD video transmission system, microwave communication, medical equipment, sensor signal measurement, radar and video monitoring system, etc. Specially suitable for some applications which requires to keep continous or intermittent rotating and transmit mass data from static side to rotation side, which can improve mechanical performance, simplify system operation and avoiding damages to fiber when rotating. Can be combined with the traditional electric slip ring to transmit power and high-speed data.To get more news about fiber optic rotary joint, you can visit grandslipring.com official website.

Single Pass vs. Multi-Pass

The primary decision when choosing FORJ is how to implement multiple channels: by individual fibers or by multiplexing. From a mechanical perspective, multi-pass FORJs are generally larger and more complex than single-pass FORJs because of the mechanisms required to provide rotary alignment of multiple fibers.

In single pass FORJs, a single fiber enters the FORJ on either side of the rotating interface, and optical signals are coupled between them as one fiber rotates relative to the other. The most common approach is the use of lenses to expand the optical beam, thereby minimizing the effects of mechanical misalignment.

In a case of a multi-pass FORJ, multiple fibers enter the FORJ on either side of the rotating interface. Optical signals are coupled only between specific pairs of fibers across the rotating interface and, because of this, a multi-pass FORJ can transmit multiple independent data streams across the rotating interface, even when optical multiplexing is not used. Multi-pass FORJs are available in a number of differing configurations: lens-based, de-rotating prism-based and mirror-based cell.

Passive vs. Active FORJs

Passive FORJs transmit an optical signal from the rotating to stationary structure without any electronic processing although components such as filters and lenses can be used to “process” the optical signal. Passive FORJs have become standard catalog devices and have found uses in widespread applications.

Active FORJs incorporate electronics to process the signal to improve rotor to stator transmission properties and can involve electrical / optical conversion, amplification, signal conditioning and re-clocking. Active devices are used primarily with applications requiring a through-bore, such as the medical CT scanner, where an active FORJ has been implemented to carry high speed image data from the rotating X-ray detectors of the sensor array to the stationary data processors.
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