LUNA DOP-201- Degree of Polarisation Meter
- Rapid measurement
- DOP wavelength independence
- Front panel real time display
- Analog output
The LUNA DOP-201 measures and displays the Degree of Polarisation (DOP) of a light source in real time on the front panel display. The instrument incorporates a patented maximum & minimum search technique that accurately measures both low and high DOP. This technique is superior to polarimeter-based methods that are inaccurate at low values of DOP as well as scrambler-based methods which are less accurate at high values of DOP. The instrument's wide range includes the S, C and L bands, without calibration. Simultaneous measurement of DOP and optical power level of the light source under test can be used to obtain DOP power dependence and to ensure low insertion loss during depolariser manufacturing. The DOP-201 replaces the DOP-101 and offers higher measurement speed, higher measurement accuracy and resolution, wider operating power range, a better and brighter display (see example of OLED display below), and the addition of an analog output port for integration in automated test stations.applications.
APPLICATIONS
- Characterisng depolarisers and depolarised light sources, such as ASE and SLED sources and the pumps for Raman amplifiers.
- Monitoring OSNR and PMD of optical signals
- Measuring the noise figure of optical amplifiers.
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Operating Wavelength Range |
1260 to 1620 nm standard |
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DOP Resolution |
0.01% |
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DOP Accuracy1 |
±0.5% (single sample) ±0.2% (10 sample average) |
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Repeatability |
±0.2% (10 sample average) |
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DOP Range |
0 – 100% |
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Measurement Speed |
30 ms/measurement for input > -30 dBm |
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Operating Power Range |
-40 to 6 dBm |
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Optical Power Accuracy |
±0.25 dB |
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Wavelength Calibration for Power Measurement |
1260 to 1360 nm and 1440 to 1620 nm |
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Operating Temperature |
0 to 50 °C |
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Storage Temperature |
-20 to 70 °C |
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Front Panel Display |
OLED graphic display |
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Analog Output |
0 to 5 V max range, user configurable Monitor voltage for DOP |
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Power Supply |
100 – 240 VAC, 50 – 60 Hz |
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Communication Interfaces |
USB, Ethernet, RS-232, and GPIB |
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Dimensions |
2U 19” half rack width 14" (L) x 8.5" (W) x 3.5" (H) |
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Note: 1 At 23 ± 5°C.
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