LUNA POD-201 – Polarimeter
- Self-calibration program to optimise DOP and SOP accuracies at arbitrary wavelengths and temperatures.
- OLED display for setup and data display
- Real time Poincaré Sphere display, Analog SOP/DOP/power output for ATE integration
- Data logging of SOP up to 1 billion points
The LUNA POD-201 is an FPGA powered polarimeter designed for high speed polarisation analysis and monitoring. The instrument simultaneously measures the four Stokes parameters to yield the instantaneous state of polarisation (SOP) and degree of polarisation (DOP) of an input light beam. The unit is controlled with FPGAs that support sampling rates of up to 4MS/s. The POD-201 also features data logging function for long term measurement of polarisation changes of up to 1 billions points.
In addition to the front panel controls, the unit can be controlled remotely via a USB 2.0 interface.
The POD-201 comes with PolaView™ software with Poincaré Sphere views or Oscilloscope windows.
APPLICATIONS
- 100G system polarisation test
- SOP/DOP Monitoring
- Polarisation Stabilisation
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Operating Wavelength Range1 |
1480 to 1620 nm or 1280 to1340 nm |
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Analog Bandwidth2 |
1 MHz |
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Sampling Rate (max) |
4.0M SOP samples/s |
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SOP Uncertainty3 |
±0.25° after user calibration |
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DOP Uncertainty3 |
±2% using built-in calibration ±0.5% after user calibration |
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PER Measurement Range3 |
0 to 40 dB |
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PER Resolution |
0.1 dB |
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Insertion Loss |
1.2 dB max. at center wavelength |
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Return Loss |
55 dB (APC connector) 45 dB (PC connector) |
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PDL |
< 0.25 dB |
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PMD |
< 0.1 ps |
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Operating Power Range |
-35 to +10 dBm (2-port in-line) |
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Optical Power Uncertainty3 |
± 0.25 dB |
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Optical Power Damage Threshold |
300 mW |
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Operating Temperature |
0 °C to 40 °C |
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Storage Temperature |
-20 °C to 60 °C |
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Front Panel Display |
Graphic OLED |
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Communication Interfaces |
High Speed USB 2.0 (30 MB/s data rate) for PolaView software RS-232, Ethernet, GPIB |
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Analog Output |
0 to 5 V max range, user configurable Monitor voltage for DOP, S1, S2, S3, power or dREF |
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Electrical Power Supply |
100 – 240 VAC, 50 – 60 Hz |
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Software |
PolaView™ (included) |
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Dimensions |
2U 19” half rack width 14” (L) x 8.5 “ (W) x 3.5” (H) |
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Notes: Unless otherwise noted, specifications listed in table apply for standard fiber-coupled in-line configurations with 1480 - 1620nm or 1280-1340nm operation at 23±5 °C. Specs for one-port remote head may beslightly different. Loss specifications are referenced without connectors. 1 Other wavelengths may be possible. Contact General Photonics for details.2 For input power > -10 dBm for 2-port in-line version. At lower power levels, bandwidth may change due to automatic gain control. 3 For input power > -25 dBm for 2-port in-line version.
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