Polarization Independent (SM) Fiber Circulator This is the default circulator configuration with the 1 - 2 path the HP leg. This is typically used when you have a high input power and a low return signal.
OC-3-1550 Standard Circulator Configuration
Operating Wavelength:
1550 nm ± 20 nm
Isolation (2 - 1 ):
> 35 dB
Isolation ( 3 - 2):
> 32 dB
Insertion Loss ( 1 - 2 ):
0.9 - 1.3 dB
Insertion Loss ( 2 - 3 ):
0.9 - 1.3 dB
Crosstalk ( 1 - 3 , 3 - 1 ):
> 40 dB
Return Loss:
< 55 dB
PDL:
< 0.1 dB
PMD:
< 0.1 ps
Epoxy-Free Beam Path
1 - 2
Power Handling (1 - 2 ):
5 W
Power Handling (2 - 3 ):
500 mW
Polarization Independent (SM) Fiber Circulator This is the default circulator configuration with the 2 - 3 path the HP leg. This is typically used when you have a low input power and an amplified return signal.
OC-3-1550-HP Standard Circulator Configuration
Operating Wavelength:
1550 nm ± 20 nm
Isolation (2 - 1 ):
> 33 dB
Isolation ( 3 - 2):
> 35 dB
Insertion Loss ( 1 - 2 ):
0.9 - 1.3 dB
Insertion Loss ( 2 - 3 ):
0.9 - 1.3 dB
Crosstalk ( 1 - 3 , 3 - 1 ):
> 40 dB
Return Loss:
< 58 dB
PDL:
< 0.1 dB
PMD:
< 0.1 ps
Epoxy-Free Beam Path
2 - 3
Power Handling (1 - 2 ):
500 m W
Power Handling (2 - 3 ):
5 W
Polarization Independent (SM) Fiber Circulator Typically used in amplifier systems where a low power signal is sent to the amplifier (1 - 2) then the high power signal returns from (2 - 3). Note the different port configuration below.
OC-3-1550-HP2 High Power Configuration
Operating Wavelength:
1550 nm ± 20 nm
Isolation (2 - 1 ):
> 33 dB
Isolation ( 3 - 2):
> 33 dB
Insertion Loss ( 1 - 2 ):
1.0 - 1.5 dB
Insertion Loss ( 2 - 3 ):
1.0 - 1.5 dB
Crosstalk ( 1 - 3 , 3 - 1 ):
> 40 dB
Return Loss:
< 55 dB
PDL:
< 0.1 dB
PMD:
< 0.2 ps
Epoxy-Free Beam Path
1 - 2 , 2 - 3
Power Handling (1 - 2 ):
5 W
Power Handling (2 - 3 ):
5 W
Polarization Independent (SM) Fiber Circulator This is the default circulator configuration with the 1 - 2 path the HP leg. This is typically used when you have a high input power and a low return signal.
OCT-3-1550 Tandem or Double Stage Isolation
Operating Wavelength:
1550nm ± 20nm
Isolation (2 - 1 ):
> 58 dB
Isolation ( 3 - 2):
> 50 dB
Insertion Loss ( 1 - 2 ):
0.8 - 1.5 dB
Insertion Loss ( 2 - 3 ):
0.8 - 1.5 dB
Crosstalk ( 1 - 3 , 3 - 1 ):
> 50 dB
Return Loss:
< 55 dB
PDL:
< 0.1 dB
PMD:
< 0.1 ps
Power Handling (1 - 2 ):
5W
Power Handling (2 - 3 ):
500 mW
Polarization Dependent (PM) Fiber Circulator Polarization dependent circulator using PM fiber on all ports. High power on both legs (1 - 2 and 2 - 3). When connectorized the slow axis of the PM fiber is aligned to the connector key.
