The adjacent channels of CCWDM use parallel beams to cascade in free space instead of using optical fibers. Without the fiber used in cascade, the size of CCWDM package can reach 54x25x7mm, which is about 3 times smaller than that of standard CWDM package.
CCWDM optical module is widely used in the fields of coarse wavelength division multiplexing system, PON network, CATV link, telecommunication network, enterprise network, metropolitan area network WDM system, 4G/5G communication mobile system,100G solution, access network, metropolitan area network WDM system, optical fiber tools and so on.
Low insertion loss
Wide pass band
High channel isolation
High stability and reliability
Epoxy free on optical path
CWDM grid
Broadband Systems
Optical Add/Drop Multiplexing
Metro/Access Communication
Networks
Fiber Optic Instruments
Parameter | Value |
Center Wavelength | 9ch CWDM ITU |
Channel Spacing | 20 nm |
Channel Passband | ±6.5 nm |
| Insertion Loss (CWDM Port) | ≤ 2.0 dB |
| Adjacent Channel Isolation | ≥ 30 dB |
Non-adjacent Channel Isolation | ≥ 40 dB |
Filter Technology | TFF (Thin Film Filter) |
Passband Ripple | ≤ 0.5 dB |
Return Loss | ≥ 45 dB |
Directivity | ≥ 50 dB |
Polarzation Dependent Loss | ≤ 0.3 dB |
Power Handling | ≤ 300 mW |
Operating Temperature | -40°C~ +85°C |
Storage Temperature | -40°C~ +85°C |
Fiber length | 1.0-1.1m |
Fiber Type | Corning G657A2 |
Pigtail and Connector Type | 0.9mm loose tube with LC/UPC connector |
Package Dimension | (L)54×(W)25×(H)7mm Aluminium alloy box |
Note: Losses above include connector loss and adapter loss.
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