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June 2017  I  Webmaster: webmaster@afw

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AFW Technologies
Fiber Optic and Micro Optics
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Filter Wavelength Division Multiplexer 
The Filter Wavelength Division Multiplexer is extensively used in EDFA, Raman amplifiers, WDM networks and fiber optics instrumentation. The FWDM series is based on environmentally stable Thin Film Filters technology. The device combines or separates light at different wavelengths in a wide wavelength range. They offer very low insertion loss, low polarization dependence, high isolation and excellent environmental stability. High power handling capability can be achieved through unique pigtail processing and high quality AR coating. 

C Band/L Band Wavelength Division Multiplexer
The C Band/L band filter wavelength division multiplexer is a micro optics device based on environmentally stable Thin Film Filters technology. It is used to combine or separate C band wavelength signals and L band wavelength signals in DWDM systems. The components are characterized with wide pass band, low insertion loss, high return loss, excellent environmental stability and high power handling capability.
Frequently asked questions
Ordering Examples
Part Number Description
FWDM-SM-1315-L-1-0 Filter type singlemode WDM,1310nm pass/1550nm reflect, 900um loose tube jacket,
SMF28e fibre, 1m fibre length, without connectors
FWDM-SM-1315-L-1-4 Filter type singlemode WDM,1310nm pass/1550nm reflect, 900um loose tube jacket,
SMF28e fibre, 1m fibre length, SC/APC connector
FWDM-SM-1598-B-1-0 Filter SMWDM,1550/980nm, singlemode, 250um bare fiber, Hi1060 and SMF28e fiber,
1m fiber length, without connectors
FWDM-SM-1598-L-1-6 Filter SM WDM 1550/980nm, 900um loose tube jacket, SMF28e fiber on 1550nm and
common ports, Hi1060 on 980nm port, 1m fiber length, LC/UPC connectors
FWDM-SM-1598-L-1-1 Filter SM WDM 1550/980nm, 900um loose tube jacket, SMF28e fibre on 1550nm and
common ports, Hi1060 on 980nm port, 1m Pigtail length,  FC/UPC connector all ports
FWDM-SM-1598-L-1-2 Filter SM WDM 1550/980nm, 900um loose tube jacket, SMF28e fibre on 1550nm and
common ports, Hi1060 on 980nm port, 1m Pigtail length,  FC/APC connector all ports
FWDM-SM-1598-L-1-4 Filter WDM 1550/980nm, 900um loose tube jacket, SMF28e fiber on 1550nm and
common ports, Hi1060 fiber on 980nm port, 1m fiber length, SC/APC connectors all
ports
FWDM-SM-9764-C-1-2 Filter WDM, singlemode, 976nm/1064nm, 3mm cable jacket, 1m fiber length, FC/APC
connectors
FWDM-SM-9764-L-1-0-1W Filter WDM, 976/1064nm, 900um loose tube jacket, Hi1060 fibre, 1m fibre length,
without connector, 1W CW power
FWDM-SM-9764-L-1-211 Filter WDM, 976nm pass/1064nm reflect, 900um loose tube jacket, Hi1060 fibre all
ports,  1m fibre length, FC/APC connector on 980nm port, FC/UPC connector on
common port and 1060 port
 
 
 
Package Dimensions
Filter Wavelength Division Multiplexer - 1550/1310nm, 1550/1480nm, 1550/1510
Specifications
Parameters Unit Values
Pass band wavelength range
(pass -> common)
nm 1530-1600 1530-1580 1500 - 1520
IL over pass band wavelength
(pass -> common)
dB Max. 0.6, Typ. 0.4 Max. 0.6, Typ. 0.4 Max. 0.7, Typ. 0.5
Pass band isolation dB Min. 30, Typ. 35 Min. 25, Typ. 30 Min. 30, Typ. 35
Reflection band wavelength range nm 1270-1350 1450-1490 1530 - 1570
IL over reflection band wavelength dB Max. 0.5, Typ. 0.3
Typ. isolation @23C dB 15
Min. isolation @23C dB 12
Optical return loss dB >50
Max.PDL dB 0.1
Typ. PDL dB 0.05
Thermal stability dB/°C <0.005
Max. optical power mW 300
Max. tensile load N 5
Fiber type   SMF28e
Operation temperature °C -5 to +70
Storage temperature °C -40 to +85
Note1: Values specified are without connector loss.
Note2: Specifications are subject to change without notice.
Filter Wavelength Division Multiplexer 980/1064nm
Filter Wavelength Division Multiplexer - 980/1550nm
Filter Wavelength Division Multiplexer - 980nm/1550nm
Specifications
Parameters Values
Pass band wavelength range
(pass -> common)
1500-1600nm
IL over pass band wavelength
(pass -> common)
Max. 0.7dB, Typ. 0.5dB
Pass band isolation Min. 30dB, Typ. 35dB
Reflection band wavelength range 950-1010nm
IL over reflection band wavelength Max. 0.7dB, Typ. 0.5dB
Typ. isolation @23C 15dB
Min. isolation @23C 12dB
Min. return loss 50dB
Max.PDL 0.1dB
Typ. PDL 0.05dB
Thermal stability <0.005dB/°C
Fiber type SMF28e fiber on 1550nm port and common port,
Hi1060 on 980nm port
Max. optical power 300mW
Max. tensile load 5N
Operation temperature -5°C to +70°C
Storage temperature -40°C to +85°C
Note1: Values specified are without connector loss.         
Note2: Specifications are subject to change without notice
Ordering Information
FWDM-SM-SSSS-X-Y-Z
SSSS - Wavelength 1598 - 1550nm Pass/980nm Reflect
X: Pigtail type B - 250um bare fiber, L - 900um loose tube jacket, C - 3mm loose tube jacket,
S - Specify
Y: Pigtail length 1 - 1m,  S -  Specify
Z: Connector   1 - FC/UPC, 2 - FC/APC, 3 - SC/UPC, 4 - SC/APC, 6 - LC/UPC, 7 - LC/APC, 0 - none
Filter WDM - 1550/1310nm,1550/1480nm,1550/1510 
Filter Wavelength Division Multiplexer 980nm/1064nm
Specifications
Parameters Values
Pass wavelength range 980nm 980 ± 10nm
IL over pass wavelength (Input1->output) < 0.7dB
Pass band Isolation @ reflection band wavelength > 25dB
Reflection wavelength range 1064nm 1064 ± 10nm
IL over reflection band (Input2 -> Output) < 0.6dB
Reflection band isolation @ pass band wavelength > 12dB
Optical return loss > 50dB
Fiber type HI 1060 fiber 
Max. optical total power (CW) 1000mW
Max. tensile load  5N
Operation temperature -5°C to +70°C
Storage temperature -40°C to +85°C
Note1: Values specified are without connector loss.   
Note2: Specifications are subject to change without notice
Ordering Information
FWDM-SM-SSSS-X-Y-Z
SSSS - Wavelength 9864 - 980nm Pass/1064nm Reflect 
X: Pigtail type B - 250um bare fiber, L - 900um loose tube jacket, C - 3mm loose tube jacket,
S - Specify
Y: Pigtail length 1 - 1m,  S - Specify
Z: Connector   1 - FC/UPC, 2 - FC/APC, 3 - SC/UPC, 4 - SC/APC, 6 - LC/UPC, 7 - LC/APC, 0 - none
 
 
Package Dimensions
 
 
 
Ordering Information
FWDM-SM-SSSS-X-Y-Z
SSSS - Wavelength 1513 - 1550 Pass/1310 Reflect
1514 - 1550
Pass/1480 Reflect
1551 - 1550
Pass/1510 Reflect
X: Pigtail type B - 250um bare fiber, L - 900um loose tube jacket, C - 3mm loose tube jacket,
S - Specify
Y: Pigtail length 1 - 1m,  S - Specify
Z: Connector   1 - FC/UPC, 2 - FC/APC, 3 - SC/UPC, 4 - SC/APC, 6 - LC/UPC, 7 - LC/APC, 0 - none
 


 
 
Package Dimensions
C Band/L Band Wavelength Division Multiplexer 
C Band Red/Blue Wavelength Division Multiplexer 

C Band/L Band Wavelength Division Multiplexer 
Specifications
Parameters Values
Pass Band Wavelength range 1530-1561nm (1571-1605nm)
Max. insertion loss 0.7dB
Typ. insertion loss 0.5dB
Min. isolation 22dB
Typ. isolation 25dB
Reflection Band Wavelength range 1571 - 1605nm (1530-1561nm)
Typ. insertion loss 0.3dB
Max. insertion loss 0.5dB
Typ. isolation 15dB
Min. isolation 12dB
Min. return loss 50dB
Max.PDL 0.1dB
Typ. PDL 0.05dB
Thermal stability <0.005dB/°C
Fiber type SMF28e
Max. optical power 300mW
Max. tensile load 5N
Operation temperature -5°C to +70°C
Storage temperature -40°C to +85°C
Note1: Values specified are without connector loss.         
Note2: Specifications are subject to change without notice
 
 
Package Dimensions
Ordering Information
WDMCL-SSSS-X-Y-Z
SSSS - Wavelength  6171 - 1530-1561 Pass / 1571-1605
Reflect, 
7161 - 1530-1561 Reflect / 1571-1605
Pass
X: Pigtail type B - 250um bare fiber, L - 900um loose tube jacket, C - 3mm loose tube jacket,
S - Specify
Y: Pigtail length 1 - 1m,  S - Specify
Z: Connector   1 - FC/UPC, 2 - FC/APC, 3 - SC/UPC, 4 - SC/APC, 6 - LC/UPC, 7 - LC/APC, 0 - none

C Band Red/Blue Wavelength Division Multiplexer 
Specifications
Parameters Values
Pass Band Wavelength range 1530-1542nm (1548-1560nm)
Max. insertion loss 0.8dB
Typ. insertion loss 0.6dB
Min. isolation 20dB 
Typ. isolation 25dB
Reflection band wavelength range 1548 - 1560nm (1530-1542nm)
Typ. insertion loss 0.5dB
Max. insertion loss 0.6dB
Typ. isolation 12.0dB
Min. isolation 10.0dB
Min. return loss 50dB
Max.PDL 0.1dB
Typ. PDL 0.05dB
Thermal stability <0.005dB/°C
Fiber type SMF28e
Max. optical power 300mW
Max. tensile load 5N
Operation temperature -5°C to +70°C
Storage temperature -40°C to +85°C
Note1: Values specified are without connector loss.         
Note2: Specifications are subject to change without notice
 
 
Package Dimensions
Ordering Information
WDMRB-SSSS-X-Y-Z
SSSS - Wavelength 4248 - 1530-1542 Pass / 1548-1560 Reflect
4842 -
1548-1560 Pass / 1530-1542 Reflect
X: Pigtail type B - 250um bare fiber, L - 900um loose tube jacket, C - 3mm loose tube jacket,
S - Specify
Y: Pigtail length 1 - 1m,  S - Specify
Z: Connector   1 - FC/UPC, 2 - FC/APC, 3 - SC/UPC, 4 - SC/APC, 6 - LC/UPC, 7 - LC/APC, 0 - none
Filter WDM 1310/1550 & 1625nm
Specifications
Parameters Values
Pass band wavelength range
(pass -> common)
1310nm +/-20 & 1550nm +/-20
IL over pass band wavelength
(pass -> common)
Max. 1.0dB, Typ 0.7dB
Pass band isolation >25dB
Reflection band wavelength range 1625 +/-10nm
IL over reflection band wavelength < 0.6dB
Reflection band isolation @23C Min.12dB typ: 15dB
PDL <0.1dB
Directivity >50dB
Optical return loss >50dB
Power handling (Max) (CW power) 500mW
Operating temperature range -5°C to +70°C
Storage temperature range -40°C to +85°C
Tensile load 5N
Fiber type SMF28e
Fiber length 1m
Note1: Values referenced without connector loss.
Note2: Specifications are subject to change without notice
 
 
Package Dimensions
Ordering Information
FWDM-SM-SSSS-X-Y-Z
SSSS - Wavelength 131516 - 1310nm +/-20 & 1550nm +/-20 Pass / 1625 +/-10nm Reflect
X: Pigtail type B - 250um bare fiber, L - 900um loose tube jacket, C - 3mm loose tube jacket,
S - Specify
Y: Pigtail length 1 - 1m,  S - Specify
Z: Connector   1 - FC/UPC, 2 - FC/APC, 3 - SC/UPC, 4 - SC/APC, 6 - LC/UPC, 7 - LC/APC, 0 - none

Filter WDM 1310/1550 & 1625nm
 
Filter WDM 1310/1470~1530nm
Specifications
Parameters Values
Pass band wavelength range
(pass -> common)
1270nm~1340nm
IL over pass band wavelength
(pass -> common)
<0.7dB
Pass band isolation >25dB
Reflection band wavelength range 1470nm~1530nm
IL over reflection band wavelength
(reflect ->common)
< 0.6dB
Reflection band isolation @23C <12dB typ: 15dB
PDL <0.1dB
Directivity >50dB
Optical return loss >50dB
Power handling (Max) (CW power) 300mW
Operating temperature range -5°C to +70°C
Storage temperature range -40°C to +85°C
Tensile load 5N
Fiber type SMF28e
Fiber length 1m
Note1: Values referenced without connector loss.
Note2: Specifications are subject to change without notice
 
 
Package Dimensions
Ordering Information
FWDM-SM-SSSS-X-Y-Z
SSSS - Wavelength 1314 - 1270nm~1340nm Pass / 1470nm~1530nm Reflect
X: Pigtail type B - 250um bare fiber, L - 900um loose tube jacket, C - 3mm loose tube jacket,
S - Specify
Y: Pigtail length 1 - 1m,  S - Specify
Z: Connector   1 - FC/UPC, 2 - FC/APC, 3 - SC/UPC, 4 - SC/APC, 6 - LC/UPC, 7 - LC/APC, 0 - none

 
Filter WDM 1310/1470~1530nm
High isolation filter WDM 1310/1550nm
Specifications
Parameters Values
Pass band wavelength range
(pass -> common)
1550 +/-20nm
IL over pass band wavelength
(pass -> common)
<1.0dB
Pass band isolation @1310nm >40dB
Reflection band wavelength range 1310nm+/-20nm
IL over reflection band wavelength
(reflect ->common)
<1.0dB
Reflection band isolation @1550nm >40dB
Max. PDL <0.2dB
Optical return loss >50dB
Power handling (Max) (CW power) 300mW
Operating temperature range -5°C to +70°C
Storage temperature range -40°C to +85°C
Tensile load 5N
Fiber type SMF28e
Fiber length 1m
Note1: Values referenced without connector loss.
Note2: Specifications are subject to change without notice
 
 
Package Dimensions
Ordering Information
FWDM-SM-SSSS-W-X-Y-Z
SSSS - Wavelength 1513 - 1550nm Pass / 1310nm Reflect 
W: Pigtail type B - 250um bare fiber, L - 900um loose tube jacket, C - 3mm loose tube jacket,
S - Specify
X: Pigtail length 1 - 1m, S - Specify
Y: Connector   1 - FC/UPC, 2 - FC/APC, 3 - SC/UPC, 4 - SC/APC, 6 - LC/UPC, 7 - LC/APC, 0 - none
Z: FWDM Isolation 40 - 40dB isolation each channel

High isolation filter WDM 1310/1550nm
 
 
 
Q. Can you supply a wavelength splitter or Y cable to split 1310nm and 150nm?

A. Yes, we can supply a Y cable which is the same as a filter type WDM which can split or combine 1310nm (1270~1350nm) and 1480/1550nm (1480~1600nm). The WDM splitter is a bi-directional device that can be supplied with SC, LC or FC connector types on any port.
Frequently Asked Questions
 
Ordering Examples