Product Overview of PM CWDM Module
1x2 1x4 1x8 1x16 High Channel Isolation Fiber Polarization
Maintaining Coarse WDM Module
Polarization Maintaining Coarse WDM Module
GEZHI Polarization Maintaining Filter CWDM is characterized with
low IL, high return loss, high extinction ratio and excellent
environmental stability and reliability. They are ideal for
polarization maintaining fiber amplifiers, CWDM network, and
high-speed communication system and instrumentation applications.
Features & Applications of PM CWDM Module
Features
Low Insertion Loss
High Return Loss & Channel Isolation
Good Channel to Channel Uniformity
High Reliability & Stability
Applications
DWDM System
GPON Networks
CATV Links
Specifications of PM CWDM Module
| Parameters | Unit | Values |
| Channel Number | - | 1x2 | 1x4 | 1x8 | 1x16 |
| Center Wavelength | nm | ITU or ITU+1 |
| Channel Space | Ghz | 1260~1460 or 1460~1620 or 1260~1620 |
| Channel Space | nm | 20 |
| Min. Channel Bandwidth @λc | nm | ± 6.5 |
| Max. Channel Flatness | dB | 0.4 |
| Max. Insertion Loss | Mux to Demux (Link) | dB | 1.4 | 2.2 | 3.4 | 7.1 |
| Min. Isolation | Adjacent channel | dB | 30 | 30 | 30 | 30 |
| Non-adjacent channel | dB | 40 | 40 | 40 | 40 |
| Upgrade Channel | dB | 12 | 12 | 12 | 12 |
| Min. Return Loss | dB | 50 |
| Min. Extinction Ratio at 23℃ | dB | 20 | 20 | 18 | 16 |
| Max. Wavelength Thermal Stability | nm/℃ | 0.003 |
| Max. Insertion Loss Thermal Stability | dB/℃ | 0.005 |
| Max. Power Handling (CW) | mW | 500 |
| Operating Temperature | ℃ | 0~+70 |
| Storage Temperature | ℃ | -40~+85 |
| With connector, IL is 0.3dB higher, RL is 5dB lower, and ER is 2dB
lower. |
| Connector key is aligned to slow axis. |
Dimension
Odering Information of PM CWDM Module
| PMCWM-12-33-444-5-666-78-9-A |
1 - Module Type: : | M=Mux, D=Demux |
| 2 - Operating Wavelength: | F=Full wave(1260nm~1620nm), H=half wave(1260~1460 or 1460~1620) |
| 33 - Start Wavelength: | 27=1270nm or 1271nm,..., 55=1550 or 1551nm,..., 61=1610nm or 1611nm |
| 444 - Port type: | 104=1x4, 108=1x8, 116=1x16, SSS=Specified |
| 5 - Working Axis: | B=Both Axis Working, F=Fast axis blocked |
| 666 - Fiber Type: | 001=PM1550, 002=PM1310, SSS=Specified |
| 7 - Package Dimension: | 0=100x80x10mm, 1=120x80x18mm, 2=140x140x10mm, S=Specified |
| 8 - Fiber Length: | 0=bare fiber, 1=900um loose tube, 2=2.0mm loose tube, 3=3.0 loose
tube |
| 9 - Pigtail Type: | 0.8=0.8m, 1.0=1m, S=Specified |
| A - Connector Type: | 0=FC/UPC, 1=FC/APC, 2=SC/UPC, 3=SC/APC, N=None, S=Specified |
FAQ
Q1:Can I have a sample order of Polarization Maintaining CWDM
Module? What is your MOQ?
A1:Sample order is welcome to test and check quality. We don't MOQ,
1pcs sample is available. Also Mixed samples are acceptable.
Q2: What's the Lead time?
A2: The normal lead time is about 1week, For big quantity and
special products. Please check lead time with our sales.
representative. But we keep stock for some products, could ship 1-3
days after receiving payment.
Q3: What are the payment terms of Polarization Maintaining CWDM Module?
A3: Payment term: T/T, Paypal, Western union,cash payment, ALI etc.
Q4: What is your warranty time Polarization Maintaining CWDM Module?
A4: 3 years' warranty.
Q5: Could I use our own logo, label and package?
A5: Yes, we could provide OEM service which according to your
requirements, design products label, logo, PN, SN, package.
