Description
FWDM Device (3-port)
FWDM devices are mainly used in passive wavelength division multiplexing system module products, It features wide channel bandwidth,low insertionoss, high channel isolation, high environmental stability and reliability, and is mostly used for fiber network service upgrades, capacity expansion,etc.FWDM can MUX or DEMUX two or more optical signals of different wavelengths in a single wider wavelength range channel, satisfying the requirement ofproviding different rates on a single optical fiber. Vsunlight's FWDM Device(3-Port), Operating Wavele ngth:1520-1565 nm,Passband IL0.6dB, Reflection IL0.3dB, T-ISO 30dB. All devices fully comply with the Telcordia GR-1209-CORE/ GR-1211-CORE standard and meet the PCT 168 hour
Specifications
Parameter | Unit | 3-port FWDM |
Operating Wavelength | nm | 1260-1670 |
Pass band | nm | 1260-1360 |
Refection band | nm | 1420-1620 |
Passband Insertion Loss | nm | ≤0.6 |
Refection band Insertion Loss | nm | ≤0.3 |
Transmission Adjacent Isolation | dB | ≥30 |
Transmission Non-Adjacent Channel Isolation | dB | ≥45 |
Refection Adjacent Channel Isolation | dB | ≥15 |
Channel Ripple | dB | ≤0.3 |
Return Loss | dB | ≥45 |
Directivity | dB | ≥45 |
Polarization Dependent Loss | dB | <0.1 |
Power Handling | mW | 0 ~ +70 |
Operating Temperature | ℃ | -40 ~+85 |
Fiber Type | ℃ | G657 A1/G657A2 |
Package Type | / | Glass tube/steel Tube |
Package dimension | mm | Φ3.8xL28 Φ3.2xL28/Φ5.5xL40 |
Notes:
* Insertion loss includes connector loss and covers the entire operating temperature.
* Specifications with connector.
* If requested, this can be extended to industrial operating temperature range -40℃~ 85℃, but insertion loss will be slightly higher.
|
|
|
 |  |  |
Features
FTTx Filter WDM
Wide operating wavelength range and high channel isolation
Excellent environmental stability and epoxy-free on optical path
Pass the Telcordia compliant and RoHS compliant
excellent performance paramteters | |
 | Lower insertion loss
Low insertion loss make FWDM devices have lower signal attenuation when used in wdm systems,which reduces the power requirement for signal transmitters. |
High Isolation The high isolation makes 3-port FWDM device use in the WDM system to isolate the signals adequately when transmitting multiplesignals, and effectively prevent the signal from being distorteddue to the crosstalk between the signals. |  |
 | Mature Production Process Vsunlight FWDM device has a mature production process.Theoptical path is made by non-glue and semi-automatic conditionpackaging. It has stable and reliable performance. It supports thework in the harsh environment of -40 ~+85℃, and ensures thestable transmission of signals. |
systematic traceability and quality assurance
Vsunlight product has complete electronic process to ensure the quality reliability and traceability of the device. |
Mini Package Size
The 3-port FWDM device of Vsunlight can provide small package size,which can satisfy the small size passive wavelength division multiplexing module system,effectively save space and facilitate more equipment installation. Device size: Φ3.8xL28 Φ3.2xL28 Φ3.0xL28 Φ2.6xL25 |  |
Quality Certifications
Various types of FWDM
Product Number | FWDM-T13/R15 | FWDM-T15/R13 | FWDM-T14/R1315 | FWDM-T13/R1415 | FWDM-T15/R1314 |
Wavelength | T1310/R1550 | T1550/R1310 | T1490/R1310&1550 | T1310&1490/R1550 | T1550/R1310&1490 |
Passband | 1260~1360nm | 1420~1620nm | 1480~1500nm | 1260~1510nm | 1540~1620nm |
Refection band | 1420~1620nm | 1260~1360nm | 1260~1400& 1530~1620nm | 1530~1620nm | 1260~1500nm |
Passband Insertion Loss | ≤0.6dB | ≤0.6dB | ≤0.6dB | ≤0.6dB | ≤0.6dB |
Refection band Insertion Loss | ≤0.3dB | ≤0.3dB | ≤0.3dB | ≤0.3dB | ≤0.3dB |
Transmission Isolation | Adjacent ≥ 30dB | Adjacent ≥ 30dB | Adjacent ≥ 30dB | Adjacent ≥ 30dB | Adjacent ≥ 30dB |
Refection Isolation | ≥ 15dB | ≥ 15dB | ≥ 15dB | ≥ 15dB | ≥ 15dB |
Polarization Dependent Loss | <0.1dB | <0.1dB | <0.1dB | <0.1dB | <0.1dB |
Channel Ripple | ≤0.3dB | ≤0.3dB | ≤0.3dB | ≤0.3dB | ≤0.3dB |
Return Loss | ≥ 45dB | ≥ 45dB | ≥ 45dB | ≥ 45dB | ≥ 45dB |
Directivity | ≥ 50dB | ≥ 50dB | ≥ 50dB | ≥ 50dB | ≥ 50dB |
Power Handling | 500mw | 500mw | 500mw | 500mw | 500mw |
Operating Temperature | -40 ~ +85℃ | -40 ~ +85℃ | -40 ~ +85℃ | -40 ~ +85℃ | -40 ~ +85℃ |
Fiber Type | Corning G657A1/A2 | Corning G657A1/A2 | Corning G657A1/A2 | Corning G657A1/A2 | Corning G657A1/A2 |
Package Type | Glass tube/steel Tube | Glass tube/steel Tube | Glass tube/steel Tube | Glass tube/steel Tube | Glass tube/steel Tube |
Package dimension | Φ3.8xL28 Φ3.2xL28/Φ5.5xL40 | Φ3.8xL28 3.2xL28/Φ5.5xL40 | Φ3.8xL28 Φ3.2xL28/Φ5.5xL40 | Φ3.8xL28 Φ3.2xL28/Φ5.5xL40 | Φ3.8xL28 Φ3.2xL28/Φ5.5xL40 |
High reliability
All devices fully comply with the Telcordia GR-1209-CORE/GR-1211-CORE standard and meet the PCT 168 hour experiment (temperature 120 ℃, 2 atmospheres, relative humidity 100%). | |
|
|
| |
Application
FWDM devices are mainly used in passive wavelength division multiplexing system module products, which can Mux, Demux or add-drop multiplexingdifferent optical signals, meet the requirements of providing different rates of transmission channels transparent to the protocol on a single optical fiber,such as Ethernet, ATM, POS, SDH, etc., and are widely used in telecommunications, radio and television, enterprise network, campus network and otherfields.
 |  |  |
Telecom network | Ethernet network | local area network |
Our WDM product family covers a wide range of wavelength windows commonly used in different optical fiber systems
Hot Product
Optical Circulator
An optical circulator is a unidirectional three-port device with irreversible transmission that allows light to travel in a specific direction. According to their physical principles, circulators can be divided into non-polarization-maintaining circulators and polarization-maintaining circulators.
FWDM Device,Passband:1260-1360,Refection band1420-1620,PassbandIL0.5dB Reflection IL0.25dB, High-Tiso 45dB.
FWDM Device(3-Port), Wavelength:1260-1670nm,Passband:1260-1360,Refection band1420-1620,PassbandIL0.5dB Reflection IL0.25dB, High-Tiso 45dB.
100G DWDM Device,1x2 C-Band DWDM Device(3-Port), Passband IL0.6dB, Reflection IL0.3dB, T-ISO 30dB.
1x2 C-Band DWDM Device(3-Port), Passband IL0.6dB, Reflection IL0.3dB, T-ISO 30dB.
1x2 CWDM Device (3-port) ，Operating Wavelength:1260-1620nm,Passband IL0.6dB, Reflection IL0.3dB, T-ISO 30dB.
1x2 CWDM Device(3-Port), Operating Wavelength:1260-1620nm,Passband IL0.6dB, Reflection IL0.3dB, T-ISO 30dB.
+86-760-22288503 
sales@vsunlight.net
Building C,NO.2 Qinye Road,Torch Development Zone,Zhong Shan City, Guangdong, PRC.
+86-760-22288503
sales@vsunlight.net
Building C,NO.2 Qinye Road,Torch Development Zone,Zhong Shan City, Guangdong, PRC.
点击右上角
分享给朋友吧
Copyright © 2026 Vsunlight Optical Technology Inc. All Rights Reserved.
