1 TEST PLATFORM
The CMA5000 multilayer, modular, network test platform performs testing of various characteristics in the physical, data link, network, and transport layers of a network, and handles both SONET and WDM. Capabilities include optical time–domain reflectometry, an optical–spectrum analysis, chromatic–dispersion measurement, polarization–mode dispersion measurement, optical–transport analysis, bit–error–rate testing, and Gigabit Ethernet testing.
NetTest, Copenhagen, Denmark
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2 LINEAR MOTOR ACTUATOR
The Linear Motor Actuator series travels up to 1 m at a velocity of up to 3 m/s, with acceleration up to 3 g. The devices work on a linear brushless servomotor and noncontact encoder, and are available with force outputs from 32 to 276 N. A counterbalance is available for vertical applications.
Aerotech, Pittsburgh, PA
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3 EA MODULATORS
The OM5653C–30B and OM5753C–30B are 40–Gbit/s electroabsorption (EA) modulators designed specifically for OC–768–based fiberoptic networks. The modulators have a GaInAsP compound semiconductor, low chirp, a modulation bandwidth >30 GHz (–3 dBe), and an extinction ratio >17 dB (cw, 0 to –4 V).
Oki Semiconductor, Sunnyvale, CA
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4 TUNABLE OPTICAL IC
The Wavechip is a tunable optical integrated circuit that can be used in a dynamic gain equalizer (DGE). The DGE containing the chip has an insertion loss <4 dB and power consumption <4 W at 15–dB attenuation. The chip is designed for integration into "intelligent amplifiers" to replace gain–flattening filters.
DigiLens, Sunnyvale, CA
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PROGRAMMABLE OPTICAL ATTENUATOR
The MN9625A/MN9626A programmable optical attenuators feature wavelength flatness of >0.2 dBp–p in the C– and S–bands and >0.25 dBp–p in the L–band. The attenuators cover the 1200– to 1625–nm wavelength range and can be applied to the entire WDM spectrum. Maximum attenuation is 60 dB with ±0.1–dB accuracy and a maximum input level of 18 dBm. Insertion loss is 2.8 dB with the MN9625A and 4.2 dB with the MN9626A.
Anritsu, Richardson, TX
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The BragNet multichannel dispersion–compensation grating can compensate for chromatic dispersion in up to four channels simultaneously and individually. It uses a chirped fiber–Bragg–grating design to match the dispersion slope of any fiber type to within 99% accuracy. Compensation values range from 200 to 2000 ps/nm and insertion loss is <1.5 dB.
Southampton Photonics, Southampton, England
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The 4310DZ, 2010DZ, 1310DZ, and 1010DZ are modulator drivers supporting a variety of Mach–Zehnder modulators. These drivers are designed for network equipment manufacturers to incorporate into OC–768 and OC–192 transponders and linecards for the intermediate–reach, long–haul, and ultralong–haul telecommunications markets.
Inphi, Westlake Village, CA
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A new family of 12.5–Gbit/s low–power data drivers is designed for advanced optical network systems that require new optoelectronic components that work at higher bit rates and consume less power. The data drivers can be optimized for bit rates from 9.95 to 12.7 Gbit/s with maximum output drive voltage >8 V, peak–to–peak. Power consumption is as low as 3 W, depending on output voltage.
New Focus, San Jose, CA
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The Extensus PL–XPL–00–L13 long–wavelength optical transceiver delivers 1– to 1.25–Gbit/s data rates in a single–mode fiber package that supports Fibre Channel and Gigabit Ethernet. The 1310–nm device has reach up to 20 km and uses up to 32 ports on each side of a long–reach line card. It provides an aggregate data rate of 64 Gbit/s.Picolight, Boulder, CO
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DYNAMIC GAIN–TILT CONTROLLER
A new dynamic gain–tilt controller (DGTC) is designed for dynamic gain–tilt control in EDFAs and for power–tilt compensation in multichannel DWDM systems. Utilizing a proprietary Lightflow liquid–crystal technology with no moving parts, the DGTC allows EDFA operation over a side dynamic–gain range >10 dB. The DGTC can be used with or without a static gain–flattening filter.
CoAdna Photonics, San Jose, CA
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OPTICAL DELAY LINE
A motorized variable optical delay line provides optical–path length adjustment of more than 10 cm (330 pps). Driven by a DC motor with an integrated encoder, the product has a micrometer delay resolution. Applications include integration into network equipment and test instruments for optical–path length control or timing alignment. Remote control is accessed via a PC through an RS 232 interface and manual control via a built–in keypad.
General Photonics, Chino, CA
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The n–OTDR is a short–haul OTDR offering millimeter resolution, zero deadzone, and an 800–m range. It is designed for testing and characterization of short fiberoptic links, patchcords, and component assemblies. The OTDR is available at any wavelength from 500 to 1620 nm, for SMF, MMF or POF fibers. The unit is260 × 90 × 265 mm, weighs 3 kg, and connects to a PC via a USB port.
Luciol Instruments, Nyon, Switzerland
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A new polarization–maintaining PoM fiber series includes the ErboPoM and the PhotoPoM fibers. The ErboPoM fiber has an erbium–doped core, designed for amplifiers requiring a polarized output. It has a birefringence of 3 × 10–4 and a polarization extinction ratio up to 35 dB in standard EDFA configurations. The PhotoPoM fiber offers photosensitivity and polarization–maintaining properties. Applications include laser pump stabilizers.
INO, Quebec, Canada
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The TFM150 tunable fiber monitor uses a micropulse–based laser output that is wavelength–tunable in the C–band. The optical time–domain reflectometer (OTDR) can measure insertion loss and return loss in both Rayleigh and Fresnel modes with almost no deadzone, allowing it to resolve optical events in fiber systems and components that are only a few centimeters apart. Applications include testing of mux, demux and add/drop devices for DWDM systems.
Tempo, Ontario, Canada
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A series of network–simulation test boxes enable emulation of any installed fiberoptic network. Applications include system simulation, manufacturing test/QC, and calibration, as well as field testing and product demonstrations. Each test box is customized with fiber lengths from 100 m to 100 km. When daisy–chained together, the test boxes can emulate a simplex or duplex system of any length.
Net Optics, Sunnyvale, CA
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The CSA/TDS 8000B Series mainframe accommodates up to eight channels (a combination of up to two optical and eight electrical) and offers data rates between 155 Mbit/s and 40 Gbit/s. The TDS800B addresses high–speed electrical–impedance characterization testing (including time–domain reflectometry) measurements used in microprocessor bus systems, electrical interconnects, and telecommunications equipment. Both support modules with optical and electrical bandwidths to 50 GHz.
Tektronix, Beaverton, OR
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New 100–GHz wide–passband products for DWDM and optical add/drop applications deliver a minimum passband of ±0.23 nm over all temperature and polarization states. Crosstalk performance is >25 dB for adjacent channels and is >40 dB for nonadjacent channels.
Optilink, San Jose, CA
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Thermoelectric modules for the telecommunications industry can be customized with metallic and nonmetallic surface patterns and finishes. Modules can be manufactured with any metallization pattern for bonding to surfaces including Kovar and Invar. All modules are available with either aluminum oxide or aluminum nitride substrates.
Ferrotec, Nashua, NH
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A series of fiber depolarizers scrambles polarizations in Raman amplifiers. They have a center wavelength of 1420 to 1500 nm, a 5% degree of polarization, residual extinction ratio of 0.5 dB, return loss of 50 dB, coherence length of <1 m, operating temperature of –5°C to 70°C, and insertion loss from 0.6 to 1.5 dB.
ITF Optical Technologies, Montreal, Que., Canada
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