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High-Quality MULTIIR BiDi Filter for Single-Fiber Bidirectional Communication from China Suppliers and Factory
| Name | Op. Wavelength Range (nm) | Center λc (mm) | Center λc Accuracy (nm) | Passband (nm) | Reflect. Band (nm) | Peak IL (dB) | Passband Ripple (dB) | Passband Reflect. Isol. (dB) | Reflect. Band Transm. Isol. (dB) | Incid. Angle (°) | Passband PDL (dB) | Op. Temp. (°C) | λ Thermal Drift △λ/△T (pm/°C) | Dimensions (mm) | Backside AR Coating | Spectrogram |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BI-DI | 1260-1550 | Comply with the standards of the International Telecommunication Union (ITU) | - | 1450-1550 | 1260-1360 | ≤0.2 | - | - | ≥40 | 0° | <0.1 | -40℃~+85℃ | <2 | 1.75(±0.05)×1.5(±0.05)×0.2(±0.05) | Reflectivity 0.2% |
|
| BI-DI | 1260.0-1550 | Comply with the standards of the International Telecommunication Union (ITU) | - | 1460-1580 | 1260-1360 | ≤0.2 | - | - | ≥30 | 45° | <0.1 | -40℃~+85℃ | <2 | 1.75(±0.05)×1.5(±0.05)×0.2(±0.05) | Reflectivity 0.2% |
|
| BI-DI | 1260.0-1550 | Comply with the standards of the International Telecommunication Union (ITU) | - | 1260～1360 | 1460～1580 | ≤0.2 | - | - | ≥30 | 45° | <0.1 | -40℃~+85℃ | <2 | 1.75(±0.05)×1.5(±0.05)×0.2(±0.05) | Reflectivity 0.2% |
|
| BI-DI | 1260-1550 | Comply with the standards of the International Telecommunication Union (ITU) | - | 1260-1360 | 1450-1550 | ≤0.2 | - | - | ≥40 | 0° | <0.1 | -40℃~+85℃ | <2 | 1.75(±0.05)×1.5(±0.05)×0.2(±0.05) | Reflectivity 0.2% |
|
The above list shows our current stock items.
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Frequently Asked Questions (FAQ)
Q: What standards do the Center λc of these BI-DI filters comply with?
The Center λc of our BI-DI optical filters fully complies with the standards of the International Telecommunication Union (ITU).
Q: What incident angles are supported by these stock BI-DI filters?
Our stock BI-DI filters support incident angles of either 0° or 45°, depending on the specific model configuration you choose.
Q: What is the operating temperature range and thermal drift stability?
These filters are designed to operate reliably in harsh environments ranging from -40℃ to +85℃, with a very low wavelength thermal drift (△λ/△T) of less than 2 pm/°C.
Q: What are the standard dimensions of the BI-DI filters?
The standard dimensions for the stock filters are 1.75(±0.05) mm × 1.5(±0.05) mm × 0.2(±0.05) mm.
Q: What are the backside coating specifications?
The filters feature a high-quality Backside AR (Anti-Reflection) Coating with a reflectivity control of 0.2%.