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Telecommunication Engineering

Fiber Optics


Communications technology is everywhere. We send and receive information through televisions, internet, email, radio, text message and social media. This program goes into depth about how electronic communication has evolved over time. Whether using an old rotary phone or some new technology, there are basic principles behind each that many of us are unfamiliar with. Land line telephones send sound waves that are converted into electrical impulses that work with a series of switches and routing devices that open an electrical pathway to whomever you're calling. More commonly, cell phones operate by means of a modulated electromagnetic wave basically a radio. These signals connect to an electronic communications network. Metropolitan areas are divided into small networks where antennas send and receive signals depending on the user's location.

DVD / 2013 / (High School or above) / 15 minutes

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This DVD looks at a wide variety of fiber optic connectors and attenuators, terminators, military, and multi-pin connectors. Components are reviewed, as well as attenuation and reflectance specifications, mechanical/environmental requirements, tolerances, bonding, scribing, polishing, cleaning, inspection, and testing.

~ The discrete parts of connectors, including plugs, receptacles/adaptors, ferrules/termini, and alignment sleeves.
~ Optical and mechanical tolerances and their impact on optical performance.
~ Bonding, scribing, polishing, cleaning and visual inspection - an in-depth look at how to achieve the best possible performance from your connectors.
~ Specialty connectors such as multi-fiber connectors, military and aerospace connectors, attenuators, terminators, and loopback devices. The importance of yield, the actual loaded cost of a termination including the costs of components, consumables, and associated labor.

DVD / 2007 / () / 118 minutes

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This animated DVD continues the study of electronic components by demonstrating the construction and operation of thyristors, Hall -effect chips, piezo crystals, light emitting diodes, photoresistors, solar cells, fiber optics, photodiodes, phototransistors, liquid crystal displays, etc.

DVD / 2006 / () / 23 minutes

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In any fiber-optic system splices and connectors are crucial to system operation and must be properly housed in protective structures for the system to continue to operate reliably. Completed splices must be properly organized into splice trays, which are designed to hold specific types of splices as well as to store slack fiber at the proper bend radius. These trays can be housed inside "patch panels," a general term that refers to a family of panels that provide specific features to a fiber-optic designer.

In addition to true patch panels, which provide only cross-connection, splice trays also can be housed in splice panels, distribution panels and LAN panels as well as fiber management bays, splice closures and pedestals. Each type must be properly designed for cable grounding, strain relief and fiber routing requirements and should be chosen to best fit the application. Before the proper type of storage can be chosen, one must understand the function and features of each distinct type.

Just as a chain is only as strong as its weakest link, so are the quality and integrity of a fiber-optic system. Only by carefully planning and protecting your system can you keep your optical chain strong.

DVD / 2006 / () / 100 minutes

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This DVD focuses on the many types and structures of fiber optic cables used in outside plant, utility and premises applications. Chapters include manufacturing processes, how to prepare the various cables for splicing and termination.

~ Understanding how to interpret cable specifications.
~ How fibers are cabled from acceptance to final assembly.
~ Cable manufacturing of loose and tight buffered cables.
~ How to prepare a fiber optic cable for installation, splicing, or connectorization.
~ How to attach a fan-out kit for loose tube cables.
~ How to perform a mid-entry into loose and tight buffered cable structures.
~ ADSS and OPGW cables for utility applications.

DVD / 2005 / () / 106 minutes

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Today's fiber optic networks require low-loss splicing for optimum performance. Since fiber splicing first appeared in the 1970s, the industry recognized that for fiber optics to become a viable transmission technology, reliable splicing techniques and equipment had to be developed. The ultimate goal was a process that did not require excessive skill or expense to perform, yet resulted in a low-loss, low-reflectance optical joint with high mechanical strength and long-term reliability.

Because of the growth of the fiber industry, better fibers, better tolerances and better equipment are now available to users through a multitude of splicing products and techniques designed to meet their specific needs. A variety of fusion and mechanical splicing products were introduced for applications in outside plant, premises, manufacturing or laboratory. Newer types of fusion splicers have been developed to handle the application-specific optical fibers used in optical sub-assemblies. These are addressed in the Specialty Splicing chapter.

The DVD covers PAS, LID and fixed V-groove fusion splicers for ribbon, FTTx and premise applications. Also discussed are the various types and applications for mechanical splicing, such as access for testing fibers and cables, emergency restorations and premises applications. The correct methods of preparing, cleaving, splicing and protecting optical fibers are also demonstrated. Lab, manufacturing, field and close-up footage and detailed graphics make this an essential tool for today's splicer.

DVD / 2005 / () / 95 minutes

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This DVD is a primer for those involved with optical fibers and fiber optic technology. Learn about attenuation, dispersion, fiber types manufacturing, speciality fibers, applications and a historical overview.

~ A brief look at the history and evolution of optical fibers.
~ The advantages of optical fibers.
~ Basic fiber optic theory such as wavelength, refraction, reflection, absorption, scattering and numerical aperture.
~ Single-mode and multimode optical fiber structures, including cores, claddings, and coatings.
~ Intrinsic and extrinsic optical attenuation.
~ Single-mode fiber types and the evolution of ITU-T G.652, dispersion shifted and NZDS G.655 types.
~ Types of optical dispersion including CD (material and waveguide), DMD (modal), and PMD.
~ Multimode fibers, modal dispersion and bandwidth measurements.
~ Application-specific optical fibers.
~ WDM, CWDM and DWDM fiber issues.
~ Optical windows and bands.
~ Plastic optical fibers and POF applications.
~ Applications including LANs, SANs, MANs, WANs, CATV/HFC, Fiber to the Home/Passive Optical Networks, industrial controls, and security applications.

DVD / 2005 / () / 80 minutes

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This DVD addresses how to use fiber optic test equipment to troubleshoot fiber installations during both the acceptance testing and operation phases. Learn how to identify problems, their locations and what equipment and techniques should be applied.

~ Typical problems in single-mode and outside plant applications.
~ Common problems in multimode and premise applications.
~ The importance of documentation and accurate records.
~ Identifying the proper equipment for the task at hand.
~ Basic transmitter and receiver troubleshooting.
~ Where and when to use an OTDR.
~ Recalling and overlaying OTDR waveforms.
~ Visual inspection and cleaning.
~ Connector problems, such as contamination, crossovers, mis-keying and misengagement.
~ Identifying microbends and macrobends.

DVD / 2005 / () / 90 minutes

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This DVD provides knowledge about the various types of fiber optic test equipment and how they are used in testing a fiber optic link. Multiple types and levels of equipment are included in the DVD.

~ The theory and operation of basic fiber optic test equipment.
~ Selection of the proper type of optical loss test equipment based on your application.
1. Optical loss test sets.
2. Reflectometers.
3. Visual tracers.
4. Fiber identifiers.
5. Fiber optic talk sets.
6. Visual inspection equipment.
~ Acceptance testing and maintenance postures.
~ The testing of both multimode and single-mode premise applications.
~ The challenges of testing single-mode in the outside plant.
~ Recording and documenting test results for both acceptance testing and maintenance.
~ New technologies and disciplines.

DVD / 2004 / () / 81 minutes

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This DVD focuses on the OTDR, including how they function and operate in practical application. Learn how to use it in various testing scenarios including new technologies such as FTTH, PMD, plus conventional LAN and OSP applications.

~ Basic OTDR Theory.
~ The history and evolution of OTDRs, from mainframe models to fiber break locators.
~ The Development of mini-OTDRs and their use in the field today.
~ Specialty OTDRs.
~ New platform OTDRs, used for testing PMD, CD, DWDM and incorporating OTDR modules, optical switches and visual inspection scopes for standard and advanced fiber technologies.
~ The effects of chromatic and polarization dispersion.
~ Specialty OTDRs and optical subassemblies.
~ OTDR settings and user menus.
~ An in-depth review of how the OTDR is used, what the user should test for when performing acceptance tests, splice performance, optical return loss values and total span testing for both outside plant and premise installations. Connection of an OTDR to a fiber under test.

DVD / 2004 / () / 86 minutes

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The use of fiber optic technology continues to change the way we live today. This program demonstrates the various ways it has been incorporated into our everyday surroundings, and how it may be used in the future. Beginning with a history of fiber optics development, the program then goes on to describe the basic principles of light and how it interacts with matter. Building on this understanding, the program then defines the requirements of a fiber optic communications system. Important terms such as attenuation, photons, and refractive index are explained in detail, alongside colorful graphics which demonstrate major concepts. Finally, the program explores the use of Fiber Optic Trainers in classroom settings, which allow viewers to transmit radio, analog, and digital signals, and experiment with sensor applications. This is a great introduction to the ever -expanding field of fiber optics.

DVD / 1995 / () / 17 minutes

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Electronics play an important role in all fiber optic systems because they provide an interface between the optical fiber and transmission equipment. Many of these components contain both optical and electronic elements, and are thus called "optoelectronic". Electro-optic components fall into two broad categories: devices that convert signals between optical and electrical formats, such as transmitters and receivers; and devices that manipulate light but are powered or controlled by electronic circuits, such as optical amplifiers and modulators. Active devices are electronic components made up of semiconductor materials that actively manipulate electrons to perform the intended function. They require a source of energy to operate and have an output that is a function of present and past input signals. Types of active devices include controlled power supplies, transistors, light sources, amplifiers, and transmitters. This DVD examines the wide array of active devices that are available for fiber optic communications systems, as well as related topics such as thermal noise, loss budgets, optical sub-assemblies, component and system analysis and bit error rate testing.

~ The theory and fundamentals of electro-optical components.
~ Optical sources, such as LEDs, VCSELs, laser diodes, and optical amplifiers.
~ PIN, PIN-FET and APD detectors and their application in opto-electronic systems.
~ Transmitters and receivers, and how active components are manufactured, integrated, and tested.
~ Design and packaging for active optical components, and the roles of sources, detectors, transimpedance amplifiers, clock and data recovery, mux/demux, heat sinks and transponders.
~ Transceiver modules, such as TOSA, ROSA, MSA, XENPACK, X2, XPAK, SPF, and XFP.
~ How to employ test equipment with active devices to verify performance, quality and operation, and to characterize components.

DVD / / () / 118 minutes

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This DVD is for those who wish to learn about the passive devices, components, and optical sub-assemblies used in fiber optic communication systems. The content examines WDM devices, optical switches, filters, gratings, isolators, wavelength lockers, dispersion compensators, circulators, and many others.

This DVD serves as a primer on the various types of passive devices that have been developed for use in fiber optic communication systems. Fiber optic passive devices are purely optical instruments that work by guiding, refracting and reflecting light. Considered a cost-effective alternative to electro-optical components, these devices have become commonplace and are seeing wide use as components and optical sub-assemblies in communication systems.

The DVD's individual chapters will detail the theory, manufacture and employment of various passive components and optical sub-assemblies, including an in-depth look at the technology and products used in wide, coarse and dense wavelength division multiplexing. Later chapters discuss the evolution of optical add/drop multiplexing as well as testing and test equipment for passive components.

DVD / / () / 120 minutes

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In today's workplace, job safety has never been more important. Workplace injuries can take an enormous toll in terms of lost quality of life, operating costs of business, and decreased profitability.

A successful safety culture begins with an organization's senior management team and extends down throughout the entire organization. When strong health and safety practices become part of the operational fabric of an organization, everyone wins. Employers and employees who work together to identify and control hazards on the job can save lives and money while improving business and productivity.

This DVD serves a primer on the safety elements and concerns of anyone working with fiber optic systems, components, fibers, or installation. The content includes visual safety for optical light sources and amplifiers, physical safety for handling optical fibers and chemicals, on-the job training for those installing optical cables, information on various national and international fiber safety standards, and more.

Special features include a student quiz, with matching instructor version, written in Microsoft Word format to allow for customization for your specific needs.

DVD / / () / 86 minutes

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Careful design and planning are vital for the long-term reliability of fiber optic systems. The Fiber Optic System Design DVD demonstrates how to design a fiber optic transmission system that will suit your requirements now and for years to come. The content focuses on issues that are critical when designing local, metropolitan, and wide area networks, including physical layout, component integration, and calculating loss budgets.

The DVD features ten chapters that can be viewed individually, based on your need and design focus. The content discusses a myriad of design processes from simple point-to-point networks to the more advanced DWDM, ROADM, and FTTH/FTTB systems. Special focus is given to the factors that can degrade signal quality, including attenuation, dispersion (for single-mode fibers), and bandwidth (for multimode fibers). New technologies for 100 Gb/s systems are discussed, and challenges and examples are provided for various applications.

Special features include a student quiz, with matching instructor version, written in Microsoft Word format to allow for customization for your specific needs.

DVD / / () / 106 minutes

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Fiber optics is an amazing technology that allows our daily voice, video and data transmissions to occur with ever-increasing quality and lower costs. This DVD contains fourteen introductory chapters that have been selected from previous Light Brigade DVDs in order to showcase related fiber-optic products and disciplines for those new to the technology to learn, enjoy and appreciate.

This comprehensive reference tool provides an overview of fiber optics as a whole, including where and how optical fiber is used, its history, the basics of fiber structures, optical theory and terminology. Through the use of vivid animations, graphics, and manufacturing, installation and operation footage, the content examines the components and disciplines involved with fiber optics and the role each plays in today's fiber optic communication systems.

Special features include a student quiz, with matching instructor version, written in Microsoft Word format to allow for customization for your specific needs. In addition, the DVD includes a glossary of terms and an acronym list.

DVD / / () / 105 minutes

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