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Text version of the page
| /Inritsu | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| OPTICAL MEASURING INSTRUMENTS | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Performance and Functions • High Dynamic Range for Long Distance Fiber When using a wavelength of 1.55 urn, a point about 190 km distant can be measured. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| • Chromatic Dispersion Characteristics The zero and total dispersion can be displayed along with the delay, dispersion and dispersion slope at 0.1 nm steps. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| • Short Dead Zone Clearly measure up to near end by 8 m dead zone (back-scatter SM unit) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 3 iï1(*m9M 29«* i№ ■linn № | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| n. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| 0.00700 km 0,062 dB dB/km **r dB | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| DISTANCE LOSS FIBER LOE3 TOTAL RETURN LOS! | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| • High-speed Measurement It takes only 10 seconds to measure and display the waveform and connection loss on one screen. Just one press of the Start key is all that is needed to make measurement. • Full Automatic Mode Measurement results are displayed by simply pressing the Start key. All complicated settings of distance range, pulse width, attenuator, and maker can be automatically executed. Measurement speed in this mode was significantly increased. When the wavelengths are set to ALL, wavelengths are automatically changed. • Repeated Measurement A series of operations, such as measurement, wavelength switching, data saving, optical channel switching, and next optical fiber measurement, can be executed automatically under preset measurement conditions. This mode is ideal for measuring a multi-core optical fiber. • Waveform Comparison Function Measured and saved data can be compared on the same screen. In addition, differences can be displayed as a waveform for simple observation of distance and level differences. This is useful for checking aging changes or comparing several fibers. • Multi-wavelength Measurement and Group Display When the Start button is pressed, The fibers are measured by multiple wavelength automatically and displayed on the screen. This simplifies analysis of fault locations like sections with loss due to fiber bending, which are hard to analyze using a single wavelength. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| • Chromatic Dispersion Measurement The MW9076D1 has a built-in function for measuring chromatic dispersion even outdoors. The chromatic dispersion can be measured automatically over a wide range from 1300 to 1660 nm from one end of the fiber. The dispersion reproducibility is ±0.05 ps/(nm • km)* and the dynamic range is 30 dB. The MW9076D1 can be operated from an external PC using remote commands to measure the chromatic dispersion. For detail of the chromatic dispersion measurement, refer to the document of "product introduction MW9076 series Optical Time Domain Reflectometer". *: Measured with 25 km of 1.3 urn zero-dispersion fiber (ITU-T G.652) at 1550 nm. • Fresnel Reflection The far-end Fresnel reflection can be measured for four wavelengths (1310/1450/1550/1625 nm). • Group Delay Characteristics The fitting formula supports cubic or quintic Sellmeier, and polynomials can be applied to various types of fibers. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| ittp://www.anritsu.com 65 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||