High Isolation Filter WDM （3155 5531）
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Specifications
| Parameter | Value |
|---|---|
| Pass Wavelength [Specifications type T1550/R1310；without connectors] | 1460~1620 nm |
| Reflection Wavelength [Specifications type T1550/R1310；without connectors] | 1260~1360 nm |
| Pass Wavelength [Specifications type T1310/R1550；without connectors] | 1260~1360 nm |
| Reflection Wavelength [Specifications type T1310/R1550；without connectors] | 1460~1620 nm |
| Pass insertion Loss [Specifications；shared by both type columns；without connectors] | ≤1.0 dB |
| Reflection Insertion Loss [Specifications；shared by both type columns；without connectors] | ≤1.0 dB |
| Pass Channel Isolation [Specifications；shared by both type columns；without connectors] | ≥45 dB |
| Reflection Isolation [Specifications；shared by both type columns；without connectors] | ≥45 dB |
| Channel flatness [Specifications；shared by both type columns；without connectors] | ≤0.3 dB |
| Directivity [Specifications；shared by both type columns；without connectors] | ≥55 dB |
| Return loss [Specifications；shared by both type columns；without connectors] | ≥50 dB |
| PDL [Specifications；shared by both type columns；without connectors] | ≤0.2 dB |
| Power handling [Specifications；shared by both type columns；without connectors] | ≤300 mW |
| Fiber Type [Specifications；shared by both type columns；without connectors] | SMF-28e |
| Operating temperature [Specifications；shared by both type columns；without connectors] | 0~+70 °C |
| Storage temperature [Specifications；shared by both type columns；without connectors] | -40~+85 °C |
| Dimensions [Specifications；P1；only bare fiber or 900um loose tube] | φ5.5×L35 |
| Dimensions [Specifications；ABS；P2；only 3mm or 2mm cable] | L90*W20*H9.5 |
| Insertion Loss change with connector [source footnote；device with connector] | +0.3 dB |
| Return Loss change with connector [source footnote；device with connector] | -5 dB |
| Pass/Reflect Wavelength [Ordering Information；HIFWDM prefix] | 5531=1550nmPass/1310nm reflection；3155=1310nmPass/1550nm reflection |
| Pigtail Type [Ordering Information；HIFWDM prefix] | 1=250um bare fiber；2=900um loose tube；3=3mm loose tube；4=2mm loose tube |
| Length [Ordering Information；HIFWDM prefix] | H=0.5m；8=0.8m；1=1.0m；5=1.5m；2=2.0m；3=3.0m；4=4.0m；A=2.5m；B=5.0m |
| Connector [Ordering Information；HIFWDM prefix] | 0=None；1=FC/UPC；2=FC/APC；3=LC/UPC；4=LC/APC；5=SC/APC；6=SC/UPC |
Applications
Key Features
Datasheet
Supplier Information
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Mode multiplexers convert modes and multiplex/demultiplex signals for combination or separation. The process is reversible: separate modes combine into few-mode fiber, or superimposed modes separate into single-mode fibers. O and C+L band operation supports parallel multichannel transmission over one fiber, exponentially increasing communication capacity for space-division-multiplexed systems, sensing, and network equipment. Standard products include 2-mode and 4-mode multiplexers with LC/APC interfaces. The 2-mode version supports 2 modes (LP01, LP11); the 4-mode version supports 4 modes (LP01, LP11a, LP11b, LP21b). 2-mode multiplexer. Model: FSM2APC-CL. Compact package. LC/APC interface. 2 multiplexed modes: LP01, LP11. Band: C+L. The 2-mode multiplexer supports C+L, converting 2 inputs into 2 multiplexed few-mode modes (LP01, LP11). Compact LC/APC packaging is small and easy to use. Typical insertion loss: 0.5 dB; typical mode extinction ratio: 20 dB. 4-mode multiplexer. Model: FSM4APC-O&CL. Compact package. LC/APC interface. 4 modes: LP01, LP11a, LP11b, LP21b. Bands: O and C+L. The 4-mode multiplexer supports O and C+L, converting 4 inputs into 4 multiplexed few-mode modes (LP01, LP11a, LP11b, LP21b). Compact LC/APC packaging is small and easy to use. Insertion loss: 4.5 dB typical, 6 dB maximum. Typical mode extinction ratio: 20 dB.
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