General Photonics Corporation - High Speed in-line Polarimeter

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back to: Modules > Polarization Management > Polarimeter

Product Summary

General Photonics’ in-line polarimeter is specially designed for low cost, high-speed polarization characterization without interrupting data traffic. It outputs four voltage signals for calculating both the degree of polarization (DOP) and the state of polarization (SOP) of the light passing through the device in microseconds. PolaDetect is ideal for integration into polarization monitoring and polarization stabilization modules, or into polarization characterization instruments. The preamplification board provides analog signals for SOP/DOP calculation, feedback/control, and computer interface. A calibration matrix is provided with every device for this calculation. Devices without the preamplification board and calibration matrix are also available for OEM purposes. The output fiber can be either single mode or PM.

Features

High speed
Low loss
Compact size
No moving parts

Applications

Simplify and speed up polarization stabilization and PMD compensation algorithms
Polarization division multiplexing
Polarization analysis/monitoring
Remote sensing
Sample/tissue birefringence analysis (Confocal arrangement)

Specifications

Insertion Loss 0.8 dB typical, 1.2 dB max.

Return Loss 55 dB

PDL < 0.25 dB

PMD < 0.1 ps

Wavelength Dependent Loss 0.15 dB over C band

Optical Power Sensitivity 5 μW

Max. Optical Input Power 5 mW

Optical Damage Power 300 mW min.

Measurement Bandwidth 700 kHz

SOP Accuracy¹ (at calibration wavelength) 1% max.

DOP Accuracy¹ (at calibration wavelength) ± 2% max.

Operating Wavelength Range 1550 ± 50 nm, or 1310 ± 50 nm

Operating Temperature 0 ~ 40 °C

Storage Temperature -40 ~ 85 °C

Optical Module Dimensions 1.45 × 0.8 × 0.58 inches

Fiber Type SM to SM, or SM to PM

Electrical Interface 10 pin w/o preamplifier board
20 pin w/ preamplifier board

Electrical Power Supply -5 ~ -10 VDC w/o preamplifier board
± 12 VDC w/ preamplifier board

Preamplifier Board Dimensions 125 × 50 mm

Note:

1. Compared with Agilent 8509C Polarization Analyzer.
(Values are referenced without connectors.)

Typical Performance Data

Figure 1. SOP and DOP accuracy compared with Agilent 8509C polarization analyzer.
Figure 2. Insertion loss vs. wavelength.

Figure 3. Polarization dependent loss vs. wavelength.
Figure 4. Partial polarized light DOP measurement compared with Agilent 8509C.


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