Group: Rohde & Schwarz
Catalog excerpts
Q8384 Optical Spectrum Analyzer Can measure and evaluate ultra high-speed optical DWDM transmission systems, and optical components at high wavelength resolution and high accuracy. New high-end optical spectrum analyzer adopting a new four-pass monochromator system providing high wavelength resolution and wide dynamic range. q 10 pm resolution bandwidth pm wavelength accuracy (after calibration with Opt. 25) q Wide dynamic range: 50 dB (±0.1 nm), 60 dB (±0.2 nm) q Optical frequency display q Accurate NF measurement on EDFAs q Can handle power levels as high as +23 dBm (200 mW) q Abundance of WDM analysis functions q Limit line function for Pass/Fail analysis provided q 20 Q8384
Open the catalog to page 1In DWDM optical communications, exacting wavelength measurements are required of the optical source. Evaluating these specifications requires an optical spectrum analyzer with enhanced resolution bandwidth and wavelength accuracy. To meet these stringent requirements, the Q8384 achieves 10 pm wavelength resolution, the best in the world* and attains 20 pm wavelength accuracy in the 1550 nm band. This high performance makes it possible for the Q8384 to measure the oscillation wavelength characteristics of laser diodes accurately. DWDM optical communication systems also contain wavelength...
Open the catalog to page 2Excellent Basic Performance 20 pm high wavelength accuracy 10 pm high wavelength resolution The Q8384 can measure wavelengths at an accuracy of ±20 pm within the wavelength range of the 1530 to 1570 nm C-band and at ±40 pm within the L-band range of 1570 to 1610 nm after being calibrated with the built-in calibration light source (option 25). It can accurately evaluate the exacting characteristics of laser diodes and optical filters used in DWDM transmission systems. Since the Q8384 provides a wavelength linearity of ±10 pm for the wavelength range of 1530 to 1570 nm, it can also accurately...
Open the catalog to page 350 dB (±0.1 nm)/60 dB (±0.2 nm) wide dynamic ranges Measuring the noise figure of an optical fiber amplifier Signals are subject to wavelength division multiplexing spaced at 50 GHz (0.4 nm) or shorter intervals in a DWDM system. An optical spectrum analyzer with superior dynamic range is required to separate and measure these tightly spaced signals. The Q8384 realizes a dynamic range of 60 dB or more at 0.2 nm making it ideal for this task. At 0.1 nm, the instrument provides a dynamic range of 50 dB or more, thus enabling it to support future DWDM systems with signals at even closer...
Open the catalog to page 4WDM Analysis function Alternate sweep function The Q8384 can display a maximum of 256 peak wavelengths and power levels of WDM signals. It can show wavelength and power level as deviations from the ITU-T channel spacing or from a reference signal as well as in absolute values. The Q8384 can show two sets of measurement data with different setup conditions in two windows. These windows are always rewritable using the alternate sweep function of the Q8384. With this function the user can make detailed measurements of signals in a specific wavelength band while monitoring the entire wavelength...
Open the catalog to page 5Transmission and loss measurement function Multi-trace display function In conventional transmission/loss measurements of an optical filter, it was necessary to measure a reference signal in advance and then carry out the intended measurements on the real signal under the same conditions. Since the Q8384 has a built-in zoom function, the user can make transmission and loss measurements while varying the center wavelength and measurement span freely within the wavelength range of the reference signal once the reference signal is measured in a wide wavelength range. The user does not need to...
Open the catalog to page 6WDM monitor function MAX/MIN/CURRENT simultaneous display function The Q8384 allows monitoring of DWDM systems. It is possible to continuously monitor whether the peak wavelength, the level of each channel and the SNR fluctuation are within their respective tolerances. It is also possible to simultaneously display the current values relative to the initial value, 1st channel value, and reference value as well as displaying the absolute value. The Q8384 can simultaneously display the waveforms of the maximum value, minimum value, and current value of each measurement in repeated sweep....
Open the catalog to page 7Performance Parameters Features Wavelength Memory feature Internal RAM: Measurement range: Accuracy: Accuracy*1: Linearity*1: Repeatability*1, *4: 600 to 1700 nm ≤±500 pm ≤±20 pm (after calibration with built-in light source, option 25, 1530 to 1570 nm) ≤±40 pm (after calibration with built-in light source, option 25, 1570 to 1610 nm) ≤±200 pm (using built-in or ext. single point calibration light source, 600 to 1700nm) ≤±10 pm (1530 to 1570 nm) ≤±20 pm (1570 to 1610 nm) ≤±3 pm (1530 to 1610 nm) Wavelength resolution Settings: Accuracy* * : 1, 6 10 pm, 20 pm, 50 pm,100 pm, 200 pm, 500 pm...
Open the catalog to page 8Accessories FC connector adaptor (standard accessory): SC connector adaptor: ST connector adaptor: Optical fiber cable (SM 9.5/125 µm 2m, with FC-SPC, master grade-A connectors) : A08161 A08162 A08163 A01291 Please be sure to read the product manual thoroughly before using the products. Specifications may change without notification. 9 Q8384-8E June '01
Open the catalog to page 9ADVANTEST CORPORATION Tektronix Inc. (North America) Shinjuku-NS building, 4-1 Nishi-Shinjuku 2-chome Shinjuku-ku, Tokyo 163-0880, Japan Tel: +81-3-3342-7500 Fax:+81-3-5322-7270 http://www.advantest.co.jp P. O. Box 500 Howard Vollum Industrial Park Beaverton, Oregon 97077-0001 U. S. A. Tel: +1-800-426-2200 Fax:+1-503-627-4090 Advantest (Singapore) Pte. Ltd. 438A Alexandra Road, #8-03/06 Alexandra Technopark Singapore 119967 Tel: +65-274-3100 Fax:+65-274-4055 Rohde & Schwarz Engineering and Sales GmbH (Europe) Mühldorfstraße 15 D-81671 München, Germany P.O.B. 80 14 29 D-81614 München,...
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