The most important and primary use of fiber optic is in communication

Posted on May 5, 2014 by admin

Fiber optic is one of the promising technologies that has been introduced for the benefit of the science and technology a many years ago. From that day onwards, we have been using fiber optics for many reasons including for communications mostly. Due to the wide use of fiber optics, there have been thousands of fiber optic products manufactured.

When it comes to fiber optic products, there are two main categories; fiber optic products made of fiber optics and used for many purposes from entertainment to information communication, and the fiber optic products developed and designed for implementing fiber optics.

The varieties in the first category of fiber optic products are innumerous. Fiber optics have a wide use in the entertainment industry. They ar enothing sophisticated but just used for optical illusions. The technology used is quite basic and therefore, almost anyone can afford to buy these fiber optic products. If you are a party animal, you would have already come across these fiber optic products at parties.

The most important and primary use of fiber optic is in communication. The introduction of fiber optics products in communication revolutionized the efficiency and bandwidth of the conventional communication medium of copper wires. The fiber optic products were much faster than the conventional medium and offered a few times of bandwidth for Internet backbones.

When it comes to industrial use of fiber optic products, the applications vary a larger degree depending on the need. If fiber optic products are needed for a smaller office, the cost, hassle etc may be minimal than implementing fiber optic products at a larger office.

The common fiber optic products used for industrial applications are fiber optic multimode/single mode couplers, taps, splitters, cable assemblies, adaptors and wavelength division multiplexors. Each of these fiber optic products have a unique application to industrial environment. As you may have figured out by now, it is not something that can be done by a layman. In order to deal with fiber optic products, you need to be knowledgeable about the subject and possess the necessary skills.

Thanks to fiber optic products, our lives have become so much easier and convenient. However, the vast complexities involved in the technology is something that is only up to professionals to deal with.
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Information About Fiber Optic Couplers

Posted on April 30, 2014 by admin

We use electronic couplers all the time such as a telephone coupler which lets you connect both a telephone and a fax machine to the same telephone line. Or a CATV coupler which lets you connect several TV sets to a single cable from Comcast. Basically you can buy these couplers from Home Depot or other electronic retailers.
Optical couplers have the same functionality as electronic couplers They split the signal to multiple points(devices). Fiber optic couplers are needed for tapping(monitoring the signal quality) or more complex telecommunication systems which require more than simple point-to-point connections, such as ring architectures, bus architectures and star architectures.
Fiber optic couplers can be either active or passive devices. The difference between active and passive couplers is that a passive coupler redistributes the optical signal without optical-to-electrical conversion. Active couplers are electronic devices that split or combine the signal electrically and use fiber optic detectors and sources for input and output.
Electronic couplers are easy to make because electric current flows as long as you have physical contact between conductors. But optical signal is in a completely different domain. You have to align the tiny optical fiber cores precisely (9um for single mode and 50um or 62.5um for multimode fibers), so there won’t be a huge power loss when you split the signal.
There are majorly three types of manufacturing technologies for fiber optic coupler: micro optics, fused-fiber and planar waveguide.Micro optics technologies use individual optic elements such as prism, mirrors, lens etc to construct a optical route which functions as a coupler. This is a expensive approach and not as popular as the other two types.Fuse-fiber couplers use the most basic material – optical fibers. Multiple fiber cores are melted together which let light transmit among them.
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Optical Fiber Isolator manufacturer

Posted on April 29, 2014 by admin

Optical fiber is the medium of choice for high capacity digital transmission systems and high speed local area network. Besides these applications, optical fiber also can be used to transmit microwave signals for cable television, cellular radio, WLAN and microwave antenna remoting. To transmit microwave over optical fiber, the microwave signal is converted into optical form at the input of the fiber and at the output of the fiber, it is converted back to electrical signal. The main advantage of fiber transmission of microwave is reduced losses relative to metallic media (e.g. copper coaxial cable). This results in longer transmission distance without signal amplification or use of repeaters.
There are two approaches to optical signal modulation and recovery. The first type is IMDD (Intensity Modulation Direct Detection) and the second type is Coherent Detection. In IMDD, the optical source intensity is modulated by the microwave signal and the resulting intensity modulated signal passes through the optical fiber to a photodiode where the modulation microwave signal is converted back to electrical domain. In Coherent Detection, the optical source is modulated in intensity, frequency or phase by the microwave signal. The modulated signal passes through the optical fiber to the receiver where it is mixed with the output of a local oscillator (LO) laser. The combined signal is converted to electrical domain using a photodiode. This produces an electrical signal centered on the difference frequency between the optical source and the LO laser (i.e. intermediate frequency). This signal is further processed to recover the analog microwave signal.
RFoG (Radio Frequency over Glass) is the cable operators’ implementation of microwave transmission over optical fiber in which the coax portion of the HFC (Hybrid Fiber Coax) is replaced by a single fiber, passive optical network architecture (PON). RFoG allows cable operators to deploy fiber connectivity to customer premises (FTTP) while keeping its existing HFC and DOCSIS infrastructure. Like the HFC architecture, video controllers and data networking services are fed through a CMTS/edge router.
As the highly developing optical fiber network and larger demand of fiber optic products, in 2009, OF-LINK merged with Jiangsu Beidou Technology Co., Ltd. The company located in Chongchuan Development Zone in Nantong City, Jiangsu Province. It’s a hi-tech company who engages in the compass satellite applications and optical fiber communications; OF-LINK participates in its optical fiber part and solely responsible for the overseas market. We finished the construction of the production lines for annual output of 1 million units’ timing equipments, 9 million units’ fiber optic connectors and 100 thousand units’ PLC splitters. The project is listed in Major Scientific and Technological Achievements into Special Funds Program, has wide industry prospects.
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Choosing Fiber Optic Filter Coupler

Posted on April 28, 2014 by admin

Fiber Optic Filter Coupler
Fiber Optic Filter Coupler is often used for telecomm purposes due to its flexibility and portability. It also allows for more efficient long range communication than electrical wires. Furthermore, each fiber can carry several independent channels, each using a different wavelength of light. And because fiber optic cables can carry so much more information, aren’t subject to the electrical interferences and are not flammable, they are also ideal for short range uses, such as creating a network within a residential or business unit. Fiber optic systems can include multi-media outlets and boxes, connectors, adaptors, enclosures, jumpers, plug and play cassettes, splice trays, and a number of bulk cables.
If you want to buy Fiber Optic Filter Couple,OF-LINK is a good choice.OF-LINK bases its operation in Shenzhen China mainland with 9 years experience in optical fiber components; our manufacturing facilities have been ISO 9001:2008 certified, supplying products compliant to ROHS, IEC and Telcordia requirements. We perform 100% visual and optical tests to ensure that all products meet international industry standard.
With full spectrum of optical manufacturing capability, testing services, global logistics and supply chain management, OF-LINK is ready to meet customers’ special requirement from all over the world. Our customers mainly are manufacturers in telecommunication, fiber laser and fiber sensor, as well as research institutes and universities around the globe.
As the highly developing optical fiber network and larger demand of fiber optic products, in 2009, OF-LINK merged with Jiangsu Beidou Technology Co., Ltd. The company located in Chongchuan Development Zone in Nantong City, Jiangsu Province. It’s a hi-tech company who engages in the compass satellite applications and optical fiber communications; OF-LINK participates in its optical fiber part and solely responsible for the overseas market. We finished the construction of the production lines for annual output of 1 million units’ timing equipments, 9 million units’ fiber optic connectors and 100 thousand units’ PLC splitters. The project is listed in Major Scientific and Technological Achievements into Special Funds Program, has wide industry prospects. .
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What Are Fiber Optic Circulators? Fiber Optic Communication Tutorial Series

Posted on April 25, 2014 by admin

The optical circulator has similar function and design as the optical isolator. An optical circulator is an nonreciprocal passive device that directs light sequentially from port 1 to port 2, from port 2 to port 3, and so on in only one direction. The operation of a circulator is similar to that of an isolator except its constructions is more complex. Like the isolator, its uses polarization to do its job.

The typical construction of an circulator consists of a number of walk-off polarizers, half-wave plates and Faraday rotators. Typically an optical ciruclator has three or four ports.

A variety of circulators are available commercially. They have low insertion loss, high isolation over a wide wavelength range, minimal polarization dependent loss, and low polarization mode dispersion.

The typical insertion loss of an isolator is about 0.6dB, channel isolation is over 40dB, optical return loss is over 50dB and polarization dependent loss is lower than 0.1dB.

The applications of optical ciruclators

In advanced optical communication systems, circulators are used for bi-directional transmissions, WDM networks, fiber amplifier systems, and for optical time domain reflectometer (OTDR) measurements.

Optical circulators are essential compoents of optical communication systems. They enable the routing of light from one optical fiber or waveguide to another based upon the direction of light propagation.

More information

Optical ciruculators extend the basic idea behind an optical isolator and add more functionality to the device. A circulator does not disgard the backward propagating light, as an isolator does, but directs it to another port, thus resulting in a three-port device in the simplest configuration. More ports can be added if one wants to redirect light coming from the third port to a fourth port. Even six ports circulators exist which direct light to different ports in a circular fashion depending on which port light enters.

You may guess that with the increasing of ports, the design becomes increasingly complex. You are absolutely correct on that guess. A second layer of complexity is added for polarization-independent circulators because they must split the incoming light from any port into its orthogonally polarized components and process each component separately.

In general, a circulator requires a large number of parts. The most important component in a polarization independent circulator is the beam displacer. Beam displacer is made from a strongly birefringent medium such that it displaces the orthogonally polarized components spatially by different amounts.

In spite of their complexity, optical circulators are available commercially in a relatively compact size with fiber pigtails on each end. Insertion losses are also very acceptable for such complex devices..
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Increasing Profit Margins with Fiber Optics

Posted on April 24, 2014 by admin

The fiber optics industry has been generally characterized by low profit margins. Increasingly, profit has normally depended on large volume sales, which is driving much of the industry consolidation and motivating some distributors to require minimum purchases from installers. At the same time, end users are demanding more in terms of performance and reliability of their fiber optic networks. Consequently, installers are increasing their demands on the distribution chain, as distributors are now expected to produce parts overnight and back their products with longer warranties due to the cost.

As the fiber optic market environment becomes more competitive, manufacturers have been expanding their product availability to not just large volume distributors and suppliers but your small businesses as well. You obviously want to target the larger businesses in order to make a substantial profit in one hit but if you have the resources to manucturer and design your own fiber optic products then why not offer them to the small fiber optic businesses. These sales will definitely add up. Plus, you never know what contacts can derive from doing business with smaller fiber optic companies. They could spread to the word to another company involved in a different industry or they could become successful, expand and become a larger, more dominant player in the fiber optic market.

Distributors that are also manufacturers have the advantage of offering product customization , and these companies have the ability to be more responsive regarding individual client needs with issues such as repair and calibration. As consolidation takes hold in the fiber optic industry, relationships between manufacturers, installation companies, and distributors also change. Partnerships between distributors and installers, where leads are exchanged and complex subcontracting relationships drive much of the installation work are becoming a common place. While distributors generally do not install, they will often bid on jobs and act as project manager, designing the cable network and farming out the installation work to selected installers – usually the ones that buy the most material. By the same token, installers often reciprocate and frequently find installation jobs and ensure that the distributor’s product is used..
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Select The SFP+ Module Of Fiber Optic Transceivers In Fiberstore

Posted on April 23, 2014 by admin

In fiber optic communication,10G Optical Ethernet interface technology in recent years has been considerable development, However, due to the high cost, 10-Gbps application does not, as projected in the market spread rapidly. 10-Gbps technology based on copper wire is also plagued by low port density issues caused by the power loss and crosstalk, resulting in its market-oriented process difficult. In this context, the emergence of a new program. Solutions with high port density, low-cost SFP + optical transceivers for enterprise users to provide more cost-effective technology in the past 10-Gbps Ethernet upgrade.

As SFP+ (enhanced small form-factor pluggable) becomes more pervasive,we want to know it more and more easy.Just as its name implies, the SFP+ transceiver is an upgraded version of the small form-factor pluggable transceiver. The SFP+ Transceiver is more compact in size than its predecessors, X2, XENPAK and XFP, making it the perfect solution for higher port density installations. Fiberstore supply the SFP+ transceivers are also not only efficient, but cost effective, with a power consumption of less than 1W.

The SFP+ module is a variant of the SFP optical transceiver. The SFP+ module form factor is 30% smaller, uses less power, requires fewer components, and is less expensive than the 10-Gigabit small form-factor pluggable module (XFP) form factor, which was already smaller and used less power than the XAUI-based XENPAK and X2 form factors.

The SFP+ form factor significantly simplifies the functionality of the 10G optical module by moving such functions as clock and data recovery (CDR), electronic dispersion compensation (EDC), 10G SERDES, and signal conditioning that traditionally resided inside the XAUI-based modules into 10GbE PHY devices and line cards. As a result, the modules are smaller, consume less power, and allow increased port density while being less expensive than XFP. Some products on the market now offer 48 ports or more in a rack.

Each SFP+ module houses an optical transmitter and receiver. One end of the module is an SERDES framer interface (SFI) serial interconnect, which handles differential signals up to 10 Gbits/s. The other end is an optical connection that complies with the 10GbE and 8GFC standards. The SFP+ active cable has electrical input and outputs with an optical transmitter and receiver internal to the cable. Active cables with SFP+ terminations also can be copper-based with integrated pre-emphasis and equalization..
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Power Converter: Power House of Computers

Posted on April 22, 2014 by admin

Have you ever thought how numerous components of a computer system receive power supply? The answer is power converter.

A power converter is a device that performs the three functions as given below:
1.AC to DC conversion
2.DC to DC conversion
3.Power supply

How a Power Converter Works
Knowing how a power converter works is important. A power converter assembly consists of numerous electronic components that enable power conversion. Computer components work on DC voltage, but electricity home supplies ranges from 100V to 120V in North America, some parts of South America, Japan and Taiwan. For the rest of the world, it spans between 200V to 220V. The power converter unit receives electricity supply from the main source and converts AC voltage into DC voltage of 12V and 5V, respectively. Most computer peripherals utilize this power range.

However, some small computer components require phantom power of 3.3V. To meet this requirement, power unit converts 5V DC to 3.3V DC. Once the specified voltage is generated, it is relayed to specific components through the power rails comprising varying volt capacity. It can be 12V rail or 5 V rails.

Power Converter and High Power Requirements
Power supply function has to mitigate any probability of overheating, particularly for 12V rails. The wattage for a rail is calculated through multiplying volts by amperes. The result of this equation should not exceed maximum resistance capacity for the rail. Most power units relay 18 amperes current on 12V rail. However, graphic cards and central processors have higher power requirements. To meet this requirement, while preventing overheating, multiple 12V rails are used for power relay simultaneously.

Switched-mode power supply (SMPS) method is extensively utilized in power converters to increase efficiency. This method allows high-speed electronic switching by eliminating the use of transformers.

Power Converter: Modular Power Supply (MPS)
While assembling a computer system’s power components, most hardware engineers face a tough time due to multiple power cables. Although cabling runs on color identification system, identifying the correct one is far from easy.
Further, modular power supply systems have evolved to customize the output supply from a power converter. A modular power supply unit has isolated output modules to:
1.match specific power requirements
2.prevent overheating
3.increase air flow
4.reduce fan obstructions due to multiple cables

CyPower is an authorized distributor of reputed power component manufacturers. For accurate and up-to-date information on power converters, visit www.cypower.com..
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Good Return on Investment by Associating With Preeminent Providers of Inventive Switching Products

Posted on April 21, 2014 by admin

Crydom – Top-of-the-line Brand for Solid State Switching Technology:

Crydom has been in business for more than 40 years and is a leading brand of custom world leading brand of Solid State Relays. Most of their production is done in-house to make sure that everything is done to its best quality. The markets Crydom serves are building equipment, commercial & industrial OEM’s, energy & infrastructure, food & beverage, medical, and transportation. The products that the company has are panel mount, DIN rail mount, PCB mount, Plug-in mount, solid state relay timers, SSR accessories, SSR heat sink assemblies, control relays, power modules and also have custom products. For the building equipment Crydom offers products for the following applications such as lighting systems for offices, warehouse, theaters, security, access control, HVAC&R (roof top), heat pumps, and radiant under floor heating. For the commercial & industrial OEM’s the company offers products for plastics/packaging machines, industrial printing, drying systems, advertising-rolling banners, wood burning stoves, elevators lifts, gambling & entertainment, glass equipment, and laboratory ovens. For the food and beverage applications, the company offers applications for com-bi ovens, pizza ovens, toasters, steamers, coffee/hot beverage machines, and warming trays. For the medical field the company offers applications for renal/chemo dialysis machines, small and large sterilizers, warming blankets, imaging systems, climate chambers, neutralizers, incubators, sorting equipment, hospital beds, and refrigerated trans and storage systems.

Coto Technology – Serves Multifarious Industries Better with Ingenious Small Signal Switching Products:

Coto Technology is widely used in the electronic manufacturing industry to test electronic components and systems after being fabricated. The utility meters that Coto Technology uses are utility meters, used to measure gas, electricity, and water use in homes and business have a number of requirements specific to their needs. The high temperature testing products are typically a circuit test exposed to heat in excess of 125 C, with some of the heat radiating out to the test board and the relays nearby. Coto has developed the 2970 series of reed relays to address the specific needs of high temperature in-circuit testing. The relays and reed switches the company develops are also used in the medical field to ensure great quality. The CT10 series Cote has are used in home alarm systems to corporate security. The Red-Rock switches are one of Cato Technology relays and has the following features: 2.4mm footprint-world’s smallest reed switches, 0.3 switching power, highly directional magnetic sensitivity, hot switchable, 1000 G shock resistance, broad operating temperature range, hermetically sealed, ideal for SMD pick and place, tape and reel packaging, and ROHS complaint.

B And B Electronics – Stocks Only the Reliable and Durable Connectivity and Communication Solutions:

B & B electronics specializes in customizing, and manufacturing products since 1981. They specialize in offering reliable, wired, and wireless connectivity and communications solutions. The industries the company specializes in are enterprise IT, industrial automation, energy & natural resources, transaction management, security, transportation, and custom & OEM solutions. The company’s products are found in over 60 counties around the world and through their partners. The partners B&B works with are Digi-Key Corporation, Express Systems and Peripherals, Mouser Electronics and Syntax Corporation. The product line consist of Ethernet serial servers & gateways, Ethernet switches routers & extenders, Ethernet media converters, serial connectivity, wireless & cellular, USB connectivity, remote I/O, telemarketing & MRM solutions, controllers & HMIs, and power supplies. The connectivity product line consist of hubs, isolators, serial adapters, USB over Ethernet, USB extenders, USB surge protection, and other accessories..
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Neve Have To Face A No. 2 Pencil Or Optical Scan Sheet Again

Posted on April 17, 2014 by admin

When health-related college students are handed their diplomas, they’re technically full-fledged physicians, but most would confess their only accurate experience is using exams. Health-related coaching is definitely an ongoing saga of standardized exams that culminates within the board certification exams in the finish of residency.

After i took my inner medication boards, I felt in leading type clean from residency, getting studied intensely for 6 months. Following I handed in my final examination booklet, I breathed a sigh of reduction that my profession of exam-taking had lastly ended. Now I could concentrate on really becoming a physician, and by no means need to encounter a No. two pencil or optical scan sheet once more. But then the American Board of Inner Medication recognized that a one-time examination was not adequate for maintaining tempo using the fast improvements in medication, and therefore the recertification procedure was initiated, necessitating physicians who certified in or following 1990 to retest each ten many years. Component from the recertification procedure was a sequence of open-book exams that mimicked the actual globe of medication, because most physicians routinely seek advice from publications, journals and colleagues when confronted with challenging concerns. But there would even be an old-fashioned actual examination. I bought the requisite research guides daunting, densely worded treatises on gastroenterology, cardiology, geriatrics, hematology and all of the specialty locations of inner medication. The majority of the subjects went into significantly much more depth than I’d at any time experience in my common apply. I questioned why I required to memorize the second-line therapy for scleroderma renal crisis, when any internist really worth their salt would refer to some nephrologist for first-line therapy of this uncommon illness? Nonetheless, bolstering my health-related understanding appeared like a worthy endeavor. The issue was that this time about I had a couple of small impediments to intensive learning a active medical apply, educating duties, 3 youthful kids. However the biggest impediment turned out to become that I would misplaced my learning and test-taking abilities. In health-related college, I had routinely dedicated limitless mnemonics, acronyms and equations to memory. There appeared to become a unique component from the mind devoted exclusively to cramming details, regardless of how irrelevant or ridiculous, and retaining them just lengthy sufficient to total the examination. But I hadn’t utilized that component of my mind inside a ten years. In medical apply and adulthood in common understanding is really a sluggish amalgamation of expertise, studying, dialogue, mulling more than. I used to be completely from form when it arrived towards the fast assimilation of details. This was a dispiriting realization, as I confronted 800 pages of single-spaced evaluation materials. The weeks and months handed in misery, as I shoveled in piles of details. It felt liked becoming force-fed Thanksgiving leftovers endlessly. Health-related understanding, within the actual globe, is really a mixture of expertise, sifting via present analysis, talking about instances with colleagues. You will find exhaustive databases that include all these details that we utilized to memorize. .
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