Learn-about-electronics Blog

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Resource Links

Resource Links: follow Learn-about-electronics.com information links on hobbies, electronic training and more.

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E-Goods

E-Goods: Peruse our e-goods store for items of interest.

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Optical Sources

Optical Sources: Introduction to fiber optic sources and fiber optic transmistters.

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Link Classification in Fiber Optics

Link Classification: Learn about the fiber optic link classification that covers the modulation type.

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System Design in Fiber Optics

System Design: Fiber optic systems that incorporate complex architectures can be simplified into a collection of point-to-point data links before beginning the design process.

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Sitemap

Sitemap: Learn about electronics.com: Sort through our extensive listing to find the category you are looking for.

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Fiberoptic System Topology

Fiberoptic System Topology: A point-to-point fiber optic data link consists of an optical transmitter, optical fiber, and an optical receiver.

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NEETS - Navy Electricity and Electronics Training Series Modules

NEETS: Navy Electricity and Electronic Training Series

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Semiconductor LEDs

Semiconductor LEDs emit incoherent light. Spontaneous emission of light in semiconductor LEDs produces light waves that lack a fixed-phase relationship.

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Light Emitting Diodes

Light Emitting Diodes (LED) are a semiconductor device that emits incoherent light, through spontaneous emission, when a current is passed through it.

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Laser Diodes

Laser Diodes: A laser is a device that produces optical radiation by the process of stimulated emission.

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Fiber Optic Transmitters

Fiber Optic Transmitters are hybrid electro optic devices. They convert electrical signals into optical signals and launch the optical signals into an optical fiber.

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Fiberoptic Transmitter Packages

Fiberoptic Transmitter Packages come in various sizes and shapes. The least complex fiber optic transmitters are typically packaged in transistor outline (TO) cans or hybrid microcircuit modules in du

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Receiver Design Fiber Optics

Receiver Design: The simplest fiber optic receiver-design consist of only the optical detector and a load resistor.

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Fiber Optic Receivers

Fiber Optic Receivers: In fiber optic communications systems, optical signals that reach fiber optic receivers are generally attenuated and distorted.

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Avalanche Photodiodes

Avalanche Photodiodes (APD) are a type of diode that internally amplifies the photo current by an avalanche process.

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Pin Photodiodes

Pin Photodiodes are a semiconductor positive-negative (p-n) structure with an intrinsic region sandwiched between the other two regions.

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Semiconductor Photodiodes

Semiconductor Photodiodes generate a current when they absorb photons (light).

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Optical Detectors

Optical Detectors: The fiber optic device responsible for converting the weakened and distorted optical signal back to an electrical signal is a fiber optic receiver.

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Power Meter

Power Meter: Optical power-meter measurements are recommended when the length of an installed optical fiber cable or cable plant is less than 50 meters.

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Point Defect

Point Defect: Learn about a temporary or local deviation of the OTDR signal in the upward or downward direction.

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Attenuation

Attenuation: The fiber optic test method for measuring the attenuation of an installed optical fiber using an OTDR is EIA/TIA-455-61.

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Optical Time Domain Reflectometry

Optical Time Domain Reflectometry: Learn how an OTDR transmits an optical pulse through an installed optical fiber.

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Field Measurements in Fiber Optics

Field Measurements differ from laboratory measurements because they measure the transmission properties of installed fiber optic components.

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Insertion Loss, Return Loss, and Reflectance

Insertion Loss is composed of the connection coupling loss and additional fiber losses in the fiber following the connection.

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Numerical Aperature and the Mode Field Diameter

Numerical Aperature and the mode field diameter in fiber optic measurements.

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Core Diameter

Core Diameter is measured using EIA/TIA-455-58. The (CD) is defined from the refractive index profile n(r) or the output near-field radiation pattern.

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Fiber Optic Measurement

Fiber Optic Measurement: Learn how fiber optic data links operate reliably if fiber optic component manufacturers and end users perform the necessary laboratory and field measurements.

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Fiber Geometry

Fiber Geometry: Learn about measurements used to reduce system attenuation and coupling loss resulting from poor fiber fabrication.

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