100GHz Single Mode 1x2 DWDM Filter
P/N: FIR-100-SM-12-DWDMF|SKU: 10505
Unit Price
MOQ: 1 pcs
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100GHz Single Mode 1x2 DWDM Filter
100GHz Single Mode 1x2 DWDM Filter is a compact three-port dense wavelength division multiplexing device designed to add or drop a selected ITU DWDM channel in single mode fiber optic systems. With one common port and two branch ports, it can separate a specific DWDM wavelength from a multi-wavelength optical signal or combine a selected channel into the main optical path while allowing other wavelengths to continue through the reflect port. Designed for 100GHz channel spacing, this DWDM filter provides low insertion loss, high channel isolation, and stable performance for wavelength division systems, fiber optic amplifiers, and optical communication networks. Custom pass channel wavelengths, optical power levels, pigtail lengths, fiber jackets, and connector options are available.
Specifications
Parameter | Unit | Value |
|---|---|---|
Common Channel Wavelength | nm | ITU Grid |
Pass Channel Wavelength | nm | C01/C02/C03/Custom |
Wavelength Accuracy | dB | ±0.05 |
Channel Spacing | dB | 100 |
Channel Passband (Min.) | nm | 0.22 (@-0.5dB) |
Pass Channel Insertion Loss (Max.) | dB | 1.0 |
Pass Channel Isolation (Min.) | dB | 30 |
Reflect Channel Insertion Loss (Max.) | dB | 0.6 |
Reflect Channel Isolation (Min.) | dB | 13 |
Polarization Dependent Loss | dB | ≤0.1 |
Return Loss (Min.) | dB | 45 |
Max Optical Power (CW) | W | 0.3/1/2/5/10 |
Fiber Type | - | SMF-28e |
Package Dimensions | mm | Φ5.5 x L35 |
Operating Temperature | °C | -5 to +70 |
Storage Temperature | °C | -20 to +85 |
Notes: Tested at 25 °C. Data exclude connectors. Adding connectors will increase insertion loss by approximately 0.3 dB, reduce return loss by 5 dB.
Dimensions
FAQ
- Q: What is the difference between the pass port and reflect port?
- A: The pass port outputs the selected ITU DWDM channel, while the reflect port carries all the remaining wavelengths. In add/drop modules, the pass port is the "dropped" or "added" channel.
Questions & Answers
Can a 1x2 DWDM filter be used bidirectionally as both add and drop?
Yes. The filter's wavelength-selective behavior is reciprocal, so the same device can drop a channel in one direction and add a channel in the reverse direction.
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