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September 2017  I  Webmaster: webmaster@afw

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AFW Technologies
Fiber Optic and Micro Optics
PM Filter WDM
Polarization Beam Splitter
In-Line Polarizer
PM Circulator
PM Isolator
PM Faraday Rotator/ Optical Fiber Mirror
PM Patchcord
PM Fiber Collimator
High Power Isolator
PM Band Pass Filter
PM Dense WDM
Optical Attenuators SM and PM
In-Line Faraday Rotator
PM Filter Coupler
Singlemode Coupler/Splitter
SM Tree Coupler Module
Polarization Insensitive Isolator
High Power SM Isolator
Band Pass Filter
SM Fuse WDM
SM Filter WDM
Fiber Optic Isolator
Fiber Optic Circulator
Faraday Rotator/ Optical Fiber Mirror
CWDM
DWDM
Patchcords/Pigtails/
Mating Adaptors

MM Large Core Patchcords
MM Patchcords POF
Customised Products/Spools
MM Isolator
MM WDM
Multimode Fiber Splitter
Optical Delay Line
Frequently asked questions
Ordering Examples
Part Number Description
CIR-3-13-C-1-1 3 port fiber optic circulator, 1310nm, SMF28e fiber, 3mm cable jacket with package box, 1m fiber length each port, FC/UPC connector all ports
CIR-3-13-L-1-0 3 port fiber optic circulator 1310nm, SMF28e singlemode fiber, 900um loose tube jacket, 1m fiber length, without connectors
CIR-3-13-L-1-6 3 port fiber optic circulator 1310nm, SMF28e singlemode fiber, 900um loose tube jacket, 1m fiber length, LC/UPC connectors
CIR-3-13-L-1-343 3 port singlemode fibre circulator, 1310nm, SMF28e  single mode fiber, 900um loose tube jacket, 1m fibre length each pigtail, SC/UPC connector on port 1 and 3, SC/APC connector on port 2
CIR-3-15-B-1-0-1W 3 port SM circulator, 1550nm, 250um bare fiber, SMF28e fibre, 1m fibre length, without connector, 1W power handling
CIR-3-15-C-1-2 3 port fiber optic circulator, 1550nm, 3mm cable jacket with package box, SMF28e  singlemode fiber, 1m fiber length, FC/APC connector
CIR-3-15-L-1-1 3 port fiber optic circulator, 1550nm, 900micron jacket, SMF28e fiber, 1m fiber length,
FC/UPC connectors
CIR-3-15-L-2-0 3port fibre optic circulator, 1550nm, SMF28e fiber, 900micron loose tube jacket, 2m fibre length, no connector
CIR-4-15-L-1-0 4port fiber optic circulator, 1550nm, SMF28 singlemode fiber, 900micron loose tube jacket, 1m fiber length, without connectors
CIR-4-15-L-1-2 4port fiber optic circulator, 1550nm, SMF28 fiber, 900um loose tube jacket, 1m fibre length, FC/APC connector all ports
CIR-4-15-L-S-2 4 port fibre optic circulator, 1550nm,  single mode,900um loose tube jacket, 16~18cm fibre length including connector, FC/APC connectors
3 port Fiber Optic Circulator  1310/1550nm
Specifications
Parameters Values
Central wavelength 1310nm or 1550nm
Operating wavelength 20nm
Insertion loss <0.8dB
Isolation >45dB
Cross talk >50dB
Return loss >50dB
Max PDL 0.15dB
Min PMD 0.1ps
Max. optical power 300mW
Max. tensile load 5N
Fiber Type SMF28e
Operation temperature -5C to +70C
Storage temperature -40C to +85C
Package dimensions dia 5.5 x 60mm
Note1: Values specified are without connector loss.
Note2: Specifications are subject to change without notice
Ordering Information
CIR-4-SS-X-Y-Z
SS : Wavelength 13 - 1310nm, 15 - 1550nm
X: Pigtail type B - 250um bare fiber, L - 900um loose tube jacket, C - 3mm loose tube jacket,
S - Specify
Y: Pigtail length 1 - 1.0 m, S - Specify
Z: Connector 1 - FC/UPC, 2 - FC/APC, 3 - SC/UPC, 4 - SC/APC, 6 - LC/UPC, 7 - LC/APC, 0 - none
 
 
Fibre Optic Circulator  3 port or 4 port
The 3 or 4 port Fiber optic Circulator is a compact, high performance light wave component that transmits the incoming signal from port 1 to port 2, and another incoming signal from port 2 to port 3 simultaneously. The component provides high isolation, low insertion loss, low PDL, low PMD and excellent environmental stability. It is widely used in combination with fiber gratings and other reflective components in DWDM systems, high speed systems and bi-direction communication systems.
Package Dimensions - 3 Port  Fiber Optic Circulator
4 port Fiber Optic Circulator  1310/1550nm
Specifications
Parameters Values
Central wavelength 1310nm or 1550nm
Operating wavelength 30nm
Transmitting direction 1->2, 2->3, 3->4
Insertion loss <0.8dB
Isolation >45dB
Directivity >50dB
Return loss >50dB
PDL <0.15dB
PMD <0.05ps
Max. optical power 300mW
Max. tensile load 5N
Fiber type SMF28e
Operation temperature -5 to +70C
Storage temperature -40 to +85C
Package dimensions dia 5.5 x 60mm
Note1: Values specified are without connector loss.
Note2: Specifications are subject to change without notice
4 port Fiber Optic Circulator  1310/1550nm
3 port Fiber Optic Circulator  1310/1550nm
 
 
 

 
 
Package Dimensions - 4 Port  Fiber Optic Circulator
Light path:
Port1 -> Port2
Port2 -> Port3
Port3 -> Port4
Ordering Information
CIR-3-SS-X-Y-Z
SS : Wavelength 13 - 1310nm, 15 - 1550nm
X: Pigtail type B - 250um bare fiber, L - 900um loose tube jacket, C - 3mm loose tube jacket,
S - Specify
Y: Pigtail length 1 - 1.0 m, S - Specify
Z: Connector 1 - FC/UPC, 2 - FC/APC, 3 - SC/UPC, 4 - SC/APC, 6 - LC/UPC, 7 - LC/APC,
0 - none
 
Ordering Examples
Frequently Asked Questions
 
Q1. We are looking for a 3 port circulator array to mount into a equipment cabinet in our server room.
Q1. We are looking for a 3 port circulator array to mount into a equipment cabinet in our server room.
A. We have 19" 1RU racks loaded with x8 3 port 1310nm, 1550nm or both types of circulators. All ports are on the front panel for easy access. We recommend having port 2 (network port) with SC/APC connectors as the below pictures. The light path for each circulator will be port 1-> port 2 and port 2 -> port 3.
 
Q2. We are using an 8CH 1RU rack CWDM mux/demux between our 2 offices. Currently we use one fibre pair to transmit and receive. We are running out of fibres between the two offices, is there any solution to release one fibre for anther application without disturbing the current setup?
A. Yes, we have a product that comes with 8CH CWDM mux and demux that utilizes a single fibre to transmit and receive. Using our product you can release one fibre for your other application, if you are interested please email us for further information.
Q2. We are using an 8CH 1RU rack CWDM mux/demux between our 2 offices. Currently we use one fibre
      pair to transmit and receive. We are running out of fibres between the two offices, is there any
      solution to release one fibre for anther application without disturbing the current setup?
 

Fiber Optic Circulator  1310 and 1550nm
1RU Rack
Light path:
Port1 -> Port2
Port2 -> Port3
3 port Multimode Circulator 1310/1550nm
3 port Multimode Fiber Optic Circulator  1310/1550nm
Specifications
Parameters Values
Central wavelength 1310nm or 1550nm
Operating wavelength 20nm
Insertion loss <1.2dB, typ: 1.0dB
Isolation >30dB
Cross talk >40dB
Return loss >40dB
PDL <0.2dB
Max. Optical Power(CW), total 300mw
Max. tensile load 5N
Fiber Type 50/125um or 62.5/125um
Operation temperature -5C to +70C
Storage temperature -40C to +85C
Note1: Values specified are without connector loss.
Note2: Specifications are subject to change without notice
 
 
Package Dimensions - 3 Port  Multimode Fiber Optic Circulator
Ordering Information
CIR-MM-3-SS-X-Y-Z
SS : Wavelength 13 - 1310nm, 15 - 1550nm
X: Pigtail type B - 250um bare fiber, L - 900um loose tube jacket, C - 3mm loose tube jacket,
S - Specify
Y: Pigtail length 1 - 1.0 m, S - Specify
Z: Connector 1 - FC/UPC, 2 - FC/APC, 3 - SC/UPC, 4 - SC/APC, 6 - LC/UPC, 7 - LC/APC, 0 - none