optical fiber components and devices

... 15 The tested optical path N 48 Optical Fiber Communications and Devices The tested optical path included a cascade of GI optical couplers and two 100m GI patchcords at the start and the end of ... (6) 60 Optical Fiber Communications and Devices Pulse intensity Pulse intensity Chirp Optical phase (a) Pulse intensity and optical phase (b) Pulse intensity and chirp Fig Pulse intensity, optical ... On the other hand, if the optical path attenuation exceeds the system's dynamics, then the transmission bandwidth becomes significantly reduced 50 Optical Fiber Communications and Devices -2 -4...

Ngày tải lên: 21/06/2014, 05:20

... wavelength after transmission over 100 km of positive and negative dispersion fiber 68 Optical Fiber Communications and Devices Independently of the Case and wavelength channels, the Q-Factor always presents ... induced by DML becomes too large and causes an error in pulse reconstruction 70 Optical Fiber Communications and Devices 4.2 C and D cases: Transient dominated laser C and D Cases use transient chirp ... km of fiber, channels are demultiplexed and detected using a typical pin photodiode We have used two kinds of optical fibers; the already laid and widely deployed single-mode ITU-T G.652 fiber...

Ngày tải lên: 21/06/2014, 05:20

... parameters, presented in Table and Table 2, 92 Optical Fiber Communications and Devices better spatial resolution may be achieved by using monochromatic X-rays and diaphragm to decrease spherical ... by a passband filter of 0.64 nm bandwidth, and a one-tap optical FFT is realised with an asymmetric Mach-Zehnder interferometer (AMZI) After direct detection, the BER and FLR of each optical subcarrier ... 2001): 104 Optical Fiber Communications and Devices dI s = gR I s I p − α s I s dz dI FW = −α p I FW dz dI BW = +α p I BW dz (6) where the intensities of the signal Is and pumps Ip (sum of FW and BW),...

Ngày tải lên: 21/06/2014, 05:20

... Handmade 1x12 Polymer Optical Fiber- Based Optical Splitter 2009 International Conference on Electrical Engineering and Informatics, Selangor, Malaysia 162 Optical Fiber Communications and Devices ... obligate, and even obsolete due to its complexity and power consumption (especially at such a high operating rate) 142 Optical Fiber Communications and Devices Conclusion High speed (100G b/sec and ... signal while blue, green, and yellow lights carry image information, radio frequency (RF), and television signal, respectively 150 Optical Fiber Communications and Devices (Ericsson 2008) WDM...

Ngày tải lên: 21/06/2014, 05:20

... material Fiber (2) Mixture of refractive-index (3) Unexpected use of incorrectly cleaved matching material and air-filled gaps fiber end Incorrectly cleaved end Air Air Fiber Fiber Fiber Fiber Fiber ... 240 Optical Fiber Communications and Devices an incorrectly cleaved fiber end The cases were assumed to occur accidentally as the result of unexpected failure during and after installation of fiber ... (a) and (b), respectively The circles and lines represent the measured results and the calculations based on Eqs (9) and (10), respectively The refractive indices n1 and n were 1.454 and 1.0, and...

Ngày tải lên: 21/06/2014, 05:20

... are connected to the optical fibers (in which wavelength and direction) For example, Fig 6a presents four add/drop ports connected statically to Fibers and and wavelengths and respectively, while ... Wavelength-Routed Optical WDM Networks, Optical Networks Magazine, Vol 1, 2000 276 Optical Fiber Communications and Devices Zhu, H & Mukherjee B (2005) Online connection provisioning in metro optical WDM ... cycle 288 Optical Fiber Communications and Devices (a) (b) Fig Power penalty for (a) an NRZ system and (b) and RZ system with 10 Gbit/s without PMD as a function of the receiver filter bandwidths...

Ngày tải lên: 21/06/2014, 05:20

... 19, no 4, pp 487-494, Apr 2011 292 Optical Fiber Communications and Devices P Winzer, M Pfnnigbauer, M M Strasser, and W R Leeb, “Optimum filter bandwidth for optically preamplified NRZ receivers,” ... performance degradation due to intra-channel PMD in optical fiber communication systems, and to show that the receiver filter bandwidths optimized for optical fiber systems at 10-5 outage probability due ... Finally limitations, conclusions and current research lines on these topics are presented 294 Optical Fiber Communications and Devices Will-be-set-by-IN-TECH Context and problem definition In general,...

Ngày tải lên: 21/06/2014, 05:20

... high speed optical links High speed optical link components In this section the main components of high-speed optical links are identified and described These components are, from optical to ... Large bandwidth, multiplexing capability Small size and light weight Inexpensive Optical Fiber Communications and Devices Drawbacks Unsuitable for electrical power transmission Fragile when handling ... lightpath is an all -optical communication channel that passes through all intermediate nodes between a source and a single destination without 316 Optical Fiber Communications and Devices Will-be-set-by-IN-TECH...

Ngày tải lên: 21/06/2014, 05:20

... in size, and compatible with other optical fiber devices To date, various types of fiber optic temperature sensors have been reported in the literatures and they are mostly based on fiber interferometric ... techniques; intensity modulated 362 Optical Fiber Communications and Devices fiber optic displacement sensor (FODS), lifetime measurements, microfiber loop resonator (MLR) and stimulated brillouin scattering ... high-speed fiber optic communications have been highlighted Some of these issues fully lay in the field 360 Optical Fiber Communications and Devices of electronic engineering Other aspects, and due...

Ngày tải lên: 21/06/2014, 05:20

... rup and rlow initially also increase, in agreement with (27) Then, for r1≥ r22, rup and rlow remain at a constant and maximum value in agreement with (26) 14 Optical Fiber Communications and Devices ... by three RF signals After the Erbium-doped fiber amplifier (EDFA 1), the pump was filtered with an 18 Optical Fiber Communications and Devices optical band-pass filter (OBPF) to suppress most of ... 7.6x10-12 2.8x10-11 Table BER estimation before and after fiber propagation 22 Optical Fiber Communications and Devices Fig 14 Simulated (full lines) and experimental (white circles) eye diagrams:...

Ngày tải lên: 27/06/2014, 01:20

... telecommunication medium has been realized Optical fiber has a lot of applications; and the two main applications are optical fiber communication and fiber optic sensors However, there are still ... passive optical components, such as the coupler, SMF and EDF It is an all fiber long distance temperature and vibration sensor system without any electrical components along the 150-km fiber The ... large bandwidth and (7) environmental ruggedness Moreover, a lot of useful components associated with optical fiber communication are demonstrated for fiber optic sensor applications Fiber optic...

Ngày tải lên: 10/09/2015, 08:41

... the reason and the stimulus of investigations However, remarkable optical transmission and the metallic like conduction (when suitably impurified or having * Corresponding author: alexandru.oprea@ipc.uni-tuebingen.de ... and electrical measurements They are provided Ac ce with platinum electrodes on the layer side and with a platinum heating meander on the opposite one The description of the sample geometry and ... adsorption and reaction in the pipe lines and measuring chambers, which would randomly modify the test mixture composition, was prevented by using adequate materials as perfluoroalkoxy (PFA) and polytetrafluoroethylene...

Ngày tải lên: 19/03/2014, 16:47

... Harboe, D S Godoy, and J R Souza, “WDM simulator for dispersive, nonlinear, and lossy optical fibers”, in Proc MOMAG 2006: 12th SBMO – Brazilian Microwave and Optoelectronics Symposium, and 7th CBMAG ... systems based on DSF, and NZDSF fibers The second case investigates how the channel spacing affects the FWM power growth, considering SMF, DSF, and NZDSF fibers The third and final case investigates ... within the pass band of the optical filter responsible for the channel separation; the (2) with d Pp (0) Pq (0) Pr (0) exp In (4), D is the dispersion parameter of the fiber, and dD/d is the corresponding...

Ngày tải lên: 08/07/2014, 17:07

... be 23 Gb/s without coding, and 75 Gb/s with a (255,239) Reed Solomon code The effect of non-rectangular spectra on receiver sensitivity is investigated for both OOK and FSK transmission, assuming ... with N > Moreover spectrumsliced FSK systems using optical preamplifier receivers are shown, for the first time, to perform better in a peak optical power limited environment Performance-optimized ... Performance-optimized spectrum-sliced WDM systems have potential use in both local loop and long-distance fiber communication systems which require low-cost WDM equipment for high data rate applications...

Ngày tải lên: 06/08/2014, 00:20

... design and reduce the cost Despite that the phase information of the optical signal can be modulated, the receiver complexity and cost will increase accordingly To meet the bandwidth demand of ... demodulates the optical signal directly to the baseband, because the LO laser has the same frequency as the signal optical carrier frequency [1] However, it is complicated and unstable to use optical ... (1460 to 1530 nm), C-band (1530 to 1565 nm) and L-band (1565 to 1625 nm) ranges [9, 10] As Internet networks continued to boom, their backbone optical systems saw the demanding requirement of...

Ngày tải lên: 10/09/2015, 15:47

... patch cords, multifiber cable assemblies, and intrafacility fiber cable (IFC) to and from fiber splice enclosures, fiber distribution frames, and fiber optic terminal devices The FiberGuide system ... H R K Y Adapters only fiber softwall bundle fiber Maxi-Strip 12 fiber ribbon 12 fiber softwall bundle2 12 fiber Maxi-Strip Mounting Style3 A B C D E F 19" (48.26 cm) standard (19.6" [49.78 cm] ... black Includes vertical cable management trough 12 fiber capacity 24 fiber capacity 36 fiber capacity 48 fiber capacity 72 fiber capacity 96 fiber capacity Ordering Number 1.75" (4.45 cm) 3.50"...

Ngày tải lên: 18/10/2013, 19:15

... groups of rwx: r stands for read permission, w stands for write permission, and x stands for execute permission The three groups represent the permissions for the owner, the group and others respectively ... (I can read and execute the program, and nobody else can anything with it) The permissions for the draft document would be rw-r - (I can read and write, the group can read, and others can’t ... 17:00:47 The Complete FreeBSD (filesys.mm), page 195 195 Chapter 10: File systems and devices FreeBSD devices UNIX refers to devices in the same manner as it refers to normal files By contrast to normal...

Ngày tải lên: 22/10/2013, 19:15

Ngày tải lên: 20/12/2013, 22:15

... 2 List the seven layers of the OSI model and the encapsulation unit used to describe the data grouping at each layer Also list the networking devices that operate at each layer, if applicable ... that operate at each layer, if applicable Layer # Name Encapsulation Unit or Logical Grouping Devices or Components that Operate at this Layer 2-2 CCNA 1: Networking Basics v 3.0 - Lab 2.3.7 Copyright...

Ngày tải lên: 21/12/2013, 19:15

... 2 List the seven layers of the OSI model and the encapsulation unit used to describe the data grouping at each layer Also list the networking devices that operate at each layer, if applicable ... that operate at each layer, if applicable Layer # Name Encapsulation Unit or Logical Grouping Devices or Components that Operate at this Layer 2-2 CCNA 1: Networking Basics v 3.0 - Lab 2.3.7 Copyright...

Ngày tải lên: 21/12/2013, 19:15