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Section 1. Specifications:  

 
 

Wavelengths 

1550, 1310, 1060, or 780nm 

Fiber Type 

SM: 1310/1550nm: Corning ClearCurve ZBL or equiv. 
        1060nm: Corning HI1060 or equiv. 
        780nm: Nufern 780HP or equiv. 
PM: 1550nm: Bend insensitive PM with MFD=6.5µm 
        1310nm: Bend insensitive PM with MFD=6.0µm 
        1060nm: Nufern PM 980XP or equiv. 

Insertion Loss 

<0.5 dB (at 

λ

c, excluding mode coupling loss and 

connectors) 

Return Loss 

>58 dB without connectors 
>55 dB with APC connectors 
>50 dB with PC connectors) 

Total Phase Shift  
@500Hz, Vpp=150V 

>65

π

 (at 1550nm)  

Half Wave Voltage (V

π

@500Hz 

2.5-4.5V typical (small frame) 
0.7-1.5V typical (large frame) 

Resonance Frequency 

8-14kHz typical 

V

π

 @resonance 

frequency 

0.1-0.5V typical 

PDL 

SM: <0.05 dB 
PM: <0.1 dB 

PER 

PM: >18 dB with connectors 

Residual Amplitude 
Modulation 

±0.01 dB (at 1550nm)  

Capacitance of Piezo 

0.18µF 

Maximum Applied 
Voltage 

150V 

Electrical Interface 

Molex WM9131-ND or equivalent 

Operation Temperature 

0 to 50° C 

Storage temperature 

40° to 85° C 

Fiber Length (Internal)

1

 

36 ± 2 cm (small frame) 
93 ± 2 cm (large frame) 

Dimensions 

Small frame: 35.0 (L) 

×

 17.0 (W) 

×

 10.0 (H) mm 

Large frame: 45.0 (L) 

×

 27.0 (W) 

×

 11.0 (H) mm 

 

 

Notes: Unless otherwise stated, specifications in this table are for devices without connectors at 23±5°C. 

1.

 

From edge of enclosure at input port to edge of enclosure at output port, not including boots or 
pigtails. Total fiber length including pigtails will be provided in test data for each FPS-002. 

 

Document #: GP-IN-FPS-002-11 

 

Page 4 of 9 

Summary of Contents for FPS-002

Page 1: ...er Phase Shifter Instruction Note Version 1 1 May 9 2018 General Photonics Corp Ph 909 590 5473 14351 Pipeline Ave Fax 909 902 5536 Chino CA 91710 USA www generalphotonics com Document GP IN FPS 002 11 Page 1 of 9 ...

Page 2: ...ontents SAFETY NOTES 3 Section 1 Specifications 4 Section 2 Overview 5 Section 3 Operation Instructions 7 3 1 Getting started 7 3 2 Operation 7 Section 4 Technical Support 9 Document GP IN FPS 002 11 Page 2 of 9 ...

Page 3: ...trical power is on Make sure that the power is turned off when connecting or disconnecting cables 2 Make sure that the case ground pin 4 is connected 3 Make sure that the polarity of the connection between the piezo driver and the FPS 002 electrical input is correct Do not apply a negative voltage to the piezo Document GP IN FPS 002 11 Page 3 of 9 ...

Page 4: ... 8 14kHz typical Vπ resonance frequency 0 1 0 5V typical PDL SM 0 05 dB PM 0 1 dB PER PM 18 dB with connectors Residual Amplitude Modulation 0 01 dB at 1550nm Capacitance of Piezo 0 18µF Maximum Applied Voltage 150V Electrical Interface Molex WM9131 ND or equivalent Operation Temperature 0 to 50 C Storage temperature 40 to 85 C Fiber Length Internal 1 36 2 cm small frame 93 2 cm large frame Dimens...

Page 5: ...ber Since the complete optical path is in fiber the insertion loss and back reflections are low and different types of fiber are available for different applications Figure 1 FPS 002 phase shifter 2 1 Electrical Interface Electrical Interface Ribbon cable with 4 pin connector Electrical Connector Molex WM9131 ND or equivalent Electrical connector pinout Pin1 Pin 2 Pin 3 Pin 4 Pin Function 1 Positi...

Page 6: ...ailable The package size used is chosen for compatibility with the bend radius requirements of the fiber used Figure 2 shows the mechanical dimensions of the FPS 002 packages including the size and locations of mounting holes There are 4 mounting holes one at each corner 0 80 screws can be used for mounting Document GP IN FPS 002 11 Page 6 of 9 ...

Page 7: ...nd power on the piezo driver Note For interferometric applications make sure that all fibers are fixed in position and cannot move during measurement This can be done by taping them to the optical table 3 2 Operation The FPS 002 uses a piezo with a capacitance of about 0 18 µF The drive signal source can vary depending on the required phase shift and drive frequency For small phase shifts a few π ...

Page 8: ...y fixed at 500Hz 0 20 40 60 80 100 120 140 160 180 0 30 60 90 120 150 Input Voltage Vpp Phase shift π c PM fiber on large frame tested at 1550nm Phase shift vs Frequency amplitude is 15V offset is 7 5V 0 00 10 00 20 00 30 00 40 00 50 00 60 00 70 00 80 00 0 5 10 15 20 Frequency kHz Phase Shift π d PM fiber on large frame tested at 1550nm Figure 3 Typical performance data ...

Page 9: ...rds and customer satisfaction For any questions regarding the quality and the use of the FPS 002 or future suggestions please contact General Photonics Corporation at 909 590 5473 telephone or 909 902 5536 fax or by e mail at support generalphotonics com General Photonics will respond to all customer questions within 24 hours during regular business hours You can also write to General Photonics 14...

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