Ch8Sec3 - V-block Splicing Mechanisms(Examples Fiber Fiber...

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Dr. Joseph C. Palais 8.3 1 THE FIBER FORUM Fiber Optic Communications PRESENTED BY Dr. JOSEPH C. PALAIS
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Dr. Joseph C. Palais 8.3 2 Section 8.3 Splices
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Dr. Joseph C. Palais 8.3 3 A splice is a permanent connection of fibers. There are two principal splicing procedures, fusion and mechanical splices.
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Dr. Joseph C. Palais 8.3 4 Electrode Fiber 8.3.1 Fusion Splicing In fusion, the glass fibers are welded together.
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Dr. Joseph C. Palais 8.3 5 Electrodes are attached to a charged capacitor. After the fibers are aligned, the capacitor is discharged. An arc then fuses the fibers. Losses: Typically less than 0.05 to 0.2 dB
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Dr. Joseph C. Palais 8.3 6 8.3.2 Adhesive Splicing a) Align the fibers in a mechanical supporting- aligning structure b) Fix the fiber positions using an adhesive
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Dr. Joseph C. Palais 8.3 7 Losses: Typically from 0.05 to 0.5 dB.
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Dr. Joseph C. Palais 8.3 8 Precision Sleeve
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Unformatted text preview: V-block Splicing Mechanisms (Examples) Fiber Fiber Dr. Joseph C. Palais 8.3 9 Precision sleeve and elastomeric splices using mechanical locking mechanisms provide fast assembly. Steps: 1. Bare a fiber 2. Scribe and break to produce a flat smooth end 3. Insert the two fibers 4. Tighten the mechanical locks 8 8.3.3 Nonadhesive Quick Splicing Dr. Joseph C. Palais 8.3 10 8.3.4 Ribbon Splicing Splicing a large number of fibers can be time consuming. Multiple fibers in the ribbon construction can be simultaneously spliced. A silicon chip with grooves for the fibers can mechanically align and hold the fibers. Dr. Joseph C. Palais 8.3 11 8.3.5 Connector Losses and Choices Good splices have losses on the order of 0.5 dB. Good connectors have losses on the order of 0.3 dB....
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Ch8Sec3 - V-block Splicing Mechanisms(Examples Fiber Fiber...

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