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14th December 2010  I  Webmaster: webmaster@afw

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Filter Wavelength Division Multiplexer 
The Filter Wavelength Division Multiplexer is extensively used in EDFA, Raman amplifier, 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 wavelength 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. 

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-9764-C-1-2 Filter wavelength division multiplexer, 976nm pass/1064nm reflect, 3mm cable jacket,
1m fiber length, FC/APC connectors
FWDM-SM-9855-B-1-0 Filter wavelength division multiplexer, 980nm pass/1550nm reflect, 250um bare fiber,
1m fiber length, without connectors
FWDM-SM-1315-C-1-1 Filter wavelength division multiplexer, 1310nm pass/1550nm reflect, 3mm cable jacket,
1m fiber length, FC/UPC connectors
FWDM-13-1415-L-1-2
Filter WDM, 1270~1340nm (pass port)/ 1470~1530nm(reflect port), 900micron jacket,
SMF28e fiber, 1m fiber length, FC/APC connector all ports
FWDM-1315-1625-C-1-4
Filter WDM, 1310/1550nm (pass port)/ 1625nm(reflect port), 3mm cable jacket with
package box, SMF28e fiber, 1m fiber length, SC/APC connector all ports

FWDM-1513-C-1-3-40
High isolation filter WDM, 1550nm pass/1310nm reflect, 3mm cable jacket, SMF28e fiber
1m fiber length, SC/PC connector, 40dB isolation on each channel

WDMRB-4248-L-1-2 C Band Red/Blue Filter Wavelength Division Multiplexer, 1530-1542 Pass / 1548-1560 
Reflect, 900micron jacket, 1m fiber length, FC/APC connectors
WDMCL-6171-L-1-2 C Band/L band filter wavelength division multiplexer, 1530-1561 Pass / 1571-1605
Reflect, 900micron jacket, 1m fiber length, FC/APC connectors
 
 
 
Package Dimensions
Filter Wavelength Division Multiplexer 
Specifications
Parameters Unit Values
Pass Band Wavelength Range nm 1270 - 1350(1530-1600) 1450 - 1490(1530-1580) 1500 - 1520(1530-1570)
  Max. Insertion Loss dB 0.6 0.6 0.7
  Typ. Insertion Loss dB 0.4 0.4 0.5
  Min. Isolation dB 30 25 30
  Typ. Isolation dB 35 30 35
Reflection Band Wavelength Range nm 1530 - 1600(1270-1350) 1530 - 1580(1450-1490) 1530 - 1570(1500-1520)
  Typ. Insertion Loss dB 0.3
  Max. Insertion Loss dB 0.5
  Typ. Isolation dB 15
  Min. Isolation 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.
Filter Wavelength Division Multiplexer 976T/1064R
Filter Wavelength Division Multiplexer - 980/1550
Filter Wavelength Division Multiplexer - 980nm/1550nm
Specifications
Parameters Values
Pass Band Wavelength Range 950-1010nm(1500-1600nm)
  Max. Insertion Loss 0.7dB
  Typ. Insertion Loss 0.5dB
  Min. Isolation 30dB
  Typ. Isolation 35dB
Reflection Band Wavelength Range 1500 - 1600nm(950-1010nm)
  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 is used for 1550nm port and HI 1060 is used for 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.         
Ordering Information
FWDM-SM-SSSS-X-Y-Z
SSSS - Wavelength 9855 - 980 Pass / 1550 Reflect 5598 - 980 Reflect / 1550 Pass
X: Pigtail type B - 250um bare fiber,  L - 900um loose tube, C - 3mm cable, S -  Specify
Y: Pigtail length 1-  1.0m,  S -  Specify
Z: Connector   1 - FC/UPC, 2 - FC/APC, 0 - None, S - Specify
Filter Wavelength Division Multiplexer
Filter Wavelength Division Multiplexer 976nm pass/1064nm reflect
Specifications
Parameters Values
Pass Wavelength Range 976nm 976 ± 15nm
IL over Pass Wavelength (Input1->output) < 0.7dB
Pass band Isolation @ Reflection Band Wavelength ³ 25dB
Reflection Wavelength Range 1064nm 1064 ± 10nm
IL over Reflection Band (Input2 -> Output) < 0.6dB
Reflection Band Isolation @ Pass Band Wavelength ³ 12dB
Optical Return Loss ³ 50dB
Fiber type 250um, HI 1060 fiber 
Max. optical 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.   
Ordering Information
FWDM-SM-SSSS-X-Y-Z
SSSS - Wavelength 9764 - 976 Pass / 1064 Reflect 
X: Pigtail type B - 250um bare fiber,  L - 900um loose tube, C - 3mm cable, S -  Specify
Y: Pigtail length 1-  1.0m,  S -  Specify
Z: Connector   1 - FC/UPC, 2 - FC/APC, 0 - None, S - Specify
 
 
Package Dimensions
 
 
 
Ordering Information
FWDM-SM-SSSS-X-Y-Z
SSSS - Wavelength 3155 - 1310 Pass / 1550 Reflect 5531 - 1310 Reflect / 1550 Pass
  4855 - 1480 Pass / 1550 Reflect 5548 - 1480 Reflect / 1550 Pass
  5155 - 1510 Reflect / 1550 Pass 5551 - 1510 Reflect / 1550 Pass
Y: Pigtail type B - 250um bare fiber,  L - 900um loose tube, C - 3mm cable, S -  Specify 
Z: Pigtail length 1-  1.0m,  S -  Specify
X: Connector   1 - FC/UPC, 2 - FC/APC, 0 - None, S - Specify
 
Frequently Asked Questions

Frequently asked questions coming soon.



 
 
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.         
 
 
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,  S -  Specify, C - 3mm cable
Y: Pigtail length 1-  1.0m,  S -  Specify
Z: Connector   1 - FC/UPC, 2 - FC/APC, 0 - None, S - Specify

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.         
 
 
Package Dimensions
Ordering Information
WDMRB-SSSS-X-Y-Z
SSSS - Wavelength 4248 - 1530-1542 Pass / 1548-1560 Reflect, 4842 - 1530-1542 Reflect / 1548-1560 Pass
X: Pigtail type B - 250um bare fiber,  L - 900um loose tube, C - 3mm cable, S -  Specify,
Y: Pigtail length 1-  1.0m,  S -  Specify
Z: Connector   1 - FC/UPC, 2 - FC/APC, 0 - None, S - Specify
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 £12dB typ: 15dB
PDL £ 0.1
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
Fiber length 1m
Note1: Values referenced without connector loss.
 
 
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, C - 3mm cable, S -  Specify
Y: Pigtail length 1-  1.0m,  S -  Specify
Z: Connector   1 - FC/UPC, 2 - FC/APC, 0 - None, S - Specify

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 £ 0.1
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
Fiber length 1m
Note1: Values referenced without connector loss.
 
 
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, C - 3mm cable, S -  Specify
Y: Pigtail length 1-  1.0m,  S -  Specify
Z: Connector   1 - FC/UPC, 2 - FC/APC, 0 - None, S - Specify

 
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)
£0.9dB
Pass band isolation @1310nm >40dB
Reflection band wavelength range 1310nm+/-20nm
IL over reflection band wavelength
(reflect ->common)
< 0.9dB
Reflection band isolation @1550nm >40
PDL £ 0.1
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
Fiber length 1m
Note1: Values referenced without connector loss.
 
 
Package Dimensions
Ordering Information
FWDM-SM-SSSS-X-Y-Z
SSSS - Wavelength 1513 - 1550nm Pass / 1310nm Reflect 
X: Pigtail type B - 250um bare fiber,  L - 900um loose tube, C - 3mm cable, S -  Specify
Y: Pigtail length 1-  1.0m,  S -  Specify
Z: Connector   1 - FC/UPC, 2 - FC/APC, 0 - None, S - Specify

High isolation filter WDM 1310/1550nm