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Document #: GP-UM-POD-001-13 

 

Page 3 of 8 

Section 1. Specifications: 

 

Physical Features: 
 

Dimensions 

    1.45” 

(L) 

×

 0.80” (W) 

×

 0.58” (H) for  

optical module 
125 mm (L) 

×

 50 mm (W) for preamplifier  

board 

Input 

Fiber 

    Single 

mode 

SMF-28 

or 

compatible 

Output 

Fiber 

    PM 

fiber or single mode fiber 

Fiber 

Connector 

   FC/PC, 

FC/APC, SC/PC, or SC/APC 

Number of Electrical Connection Pins 

10-pin without preamplifier 

      20-pin 

with 

preamplifier 

 

Optical Characteristics: 

 
Insertion Loss  

 

 

 

0.8 dB typical, 1.2 dB max.(@1550 nm) 

Return 

Loss 

    55 

dB 

PDL 

     0.25 

dB 

max. 

PMD 

     0.1 

ps 

max. 

Input Optical Power Sensitivity 

 

µ

Max. Input Optical Power 

 

 

5 mW 

Analog Dynamic Range 

 

 

30 dB 

Analog 

Bandwidth 

   1.5 

MHz 

Operation Wavelengths

1

 

 

 

1550 +/- 50 nm, 1310 +/- 50 nm 

Wavelength Dependent Loss (WDL)  

0.15 dB (across C-band) 

SOP Accuracy at Calibration Wavelengths

2

 1% max. 

DOP Accuracy at Calibration Wavelengths

2

 +/-2% max. 

Operation Temperature 

 

 

0° to 40 °C 

Storage Temperature   

 

 

-40 °C to 85 °C 

Damage 

Power    300 

mW 

min. 

 

 
Electrical Characteristics: 

 
Power 

Supply 

    +/- 

12 

volts/0.2 

Maximum 

Voltage 

   +/- 

15 

volts 

Output 

Connector 

   10-pin 

without 

preamplifier 

      20-pin 

with 

preamplifier 

 
 
Note: 

1.

 

Calibration matrices are provided for C-band operation around 1550 nm. Contact 
General Photonics if the intended operation wavelength is outside C-band. 

2.

 

Measurement is against Agilent 8509C polarization analyzer. 

 

Summary of Contents for PolaDetect POD-001

Page 1: ...D 001 13 Page 1 of 8 POD 001 PolaDetect In line high speed polarimeter Operation Manual August 31 2005 General Photonics Corp Ph 909 590 5473 5228 Edison Ave Fax 909 902 5536 Chino CA 91710 USA www generalphotonics com ...

Page 2: ...Section 1 Specifications 3 Section 2 Overview 4 Section 3 Device description 4 3 1 Optical Interface 5 3 2 Electrical Interface 5 Section 4 Operation Instructions 7 4 1 Getting started 7 4 2 Comparing the results with a polarization measurement instrument 8 ...

Page 3: ...itivity 5 µW Max Input Optical Power 5 mW Analog Dynamic Range 30 dB Analog Bandwidth 1 5 MHz Operation Wavelengths1 1550 50 nm 1310 50 nm Wavelength Dependent Loss WDL 0 15 dB across C band SOP Accuracy at Calibration Wavelengths2 1 max DOP Accuracy at Calibration Wavelengths2 2 max Operation Temperature 0 to 40 C Storage Temperature 40 C to 85 C Damage Power 300 mW min Electrical Characteristics...

Page 4: ...uments An integrated preamplifier circuit board provides analog signals for SOP DOP calculation feedback control and computer interface Section 3 Device description General Photonics Polarimeter includes four photodetectors which output four photovoltages or photocurrents for polarization analysis The SOP and DOP of an input light signal can be readily calculated using the four photovoltages and a...

Page 5: ...r SOP oriented at 45 1 0 0 Linear SOP oriented at 45 0 1 0 Linear SOP oriented at 0 0 0 1 Right hand circular SOP 3 2 Electrical interface Two models are available POD xx xx 01 has no preamplifier circuit while POD xx xx 02 does POD xx xx 01 is for OEM customers who have mastered the art of polarization analysis and will perform their own calibrations for their power detection circuits General Pho...

Page 6: ...n assignment is listed in Table II Table II Pin 1 NC Pin 2 GND Pin 3 NC Pin 4 GND Pin 5 V4 Pin 6 GND Pin 7 V3 Pin 8 GND Pin 9 V2 Pin 10 GND Pin 11 V1 Pin 12 GND Pin 13 12V Pin 14 GND Pin 15 GND Pin 16 GND Pin 17 12V Pin 18 GND Pin 19 NC Pin 20 GND PolaDetectTM General Photonics High speed polarimeter Patent pending O O O O O O O O O O O O O O O O O O O O 19 17 15 13 11 9 7 5 3 1 20 18 16 14 12 10 ...

Page 7: ...t a computer or microprocessor can be used to calculate the SOP and DOP of the input light using the following formula 4 3 2 1 44 43 42 41 34 33 32 31 24 23 22 21 14 13 12 11 4 3 2 1 3 2 1 V V V V m m m m m m m m m m m m m m m m V V V V M S S S So 1 0 2 3 2 2 2 1 S S S S DOP 2 where V1 V2 V3 and V4 are the photovoltages derived from the four photodetectors and M is a 4 4 calibration matrix With th...

Page 8: ...520 nm 1530 nm 1540 nm 1550 nm and 1560 nm respectively for C band operation The file name for each matrix is Matrix_xxxxnm_xxx x xxx xls where xxxxnm is the wavelength band of the device and xxx x xxx xls is the series number 4 2 Comparing the results with a polarization measurement instrument To verify the performance of General Photonics PolaDetect against a reference polarization instrument th...

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