Product Details
Dense WDM Mux Demux Module box 4 Channel LC/PC Optical DWDM System
GEZHI Photonics offers high performance 200 GHz Dense WDM
Multiplexers and Demultiplexers for ITU channel spacing
applications. Thin fim filter DWDM products rely on a unique GEZHI
technology to achieve superior field performance.
Our DWDM 4 channel multiplexer and demultiplexer products are
available in standard ITU wavelengths ranging from 1528 nm to
1565nm. As with many GEZHI multiplexer Products custom wavelegths
and channel configurations are available upon request.
Applications
- Broadband Systems
- Optical Add/Drop Multiplexing
- Telco Networks
- Metro Networks
Features
- High Isolation
- Low insertion Loss
- Bi-Directional
- Expoxy-Free Optical Path
- Low Total Integrated Cross Talk
- Telcordia GR-1221 Qualified
Technical Specs for 200GHz Dense WDM MUX & DEMUX (4 Channel)
Parameter | Unit | Value |
Channels Number | - | 4 channel |
Channel Central Wavelength | nm | ITU-T Grid (1528~1565nm) |
Passband at 0.5dB | nm | ≥0.6 |
Pass band | nm | λITU±0.25 |
Pass band Flatness | dB | ≤0.5 |
Pass Channel Insertion Loss (Typ.) | dB | 1.6dB |
Pass Channel Insertion Loss (Max.) | dB | 2.0dB |
Adjacent Channel Isolation | dB | ≥25 |
Non-adjacent Channel Isolation | dB | ≥40 |
Return Loss | dB | ≥45 |
Polarization Mode Dispersion | ps | ≤0.10 |
Polarization Dependent Loss | dB | ≤0.10 |
Directivity | dB | ≥50 |
Operation Temperature | °C | -5~+70 |
Storage Temperature | °C | -40~+85 |
Package Dimension | mm | ABS box G: 100X80X10, H: 125X96X16 I: 141X115X18, O: customized |
Company Profile
Gezhi Photonics Co., Ltd is committed to being a global influential
organization in optical network devices area.
Established in Nov 2011, Gezhi Photonics is a leading worldwide
manufacturer and supplier of opticoptical network devices. GEZHI
have TWO Parts Products which meet full demand’ customer in Fiber
Optics Components. One parts is Active Components (main products
include SFP,SFP+,XFP,X2,GBIC transceiver, 10G OEO...) Another parts
is Passive Components (mainly products is (CWDM/DWDM,Athermal AWG
Module,Optical Switch,Optical Circulator/Isolator, MPO
Patchcord...)

Gezhi Photonics keeps on cooperating with international and
national universities, scientific-research units as well as taking
advantage of its social talent, information and technology to
benefit Enterprise Development. Owing to our excellent engineering
services, custom design, technical support, product review, rapid
sample prototyping and mass production fast delivering for our
customers, we service more than 30 countries and regions including
Europe, USA, Southeast Asian, Africa, Middle East, etc.

Having always taken the principle of innovation as its core merit,
Gezhi Photonics attaches great importance to the internal
management, boosting the development of the company with joint
creativity of the team. Emphasizing the harmonious innovation
atmosphere, a broad development platform is provided to the staff,
and also it is helpful for the development of the company in
product research, making the product always being at the advanced
level.