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China 2.5G MULTIIR Filter - Low Insertion Loss Passive Optical Component from Reliable 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2.5G GPON | 1260.0-1650.0 | Comply with the standards of the International Telecommunication Union (ITU) | - | 1480-1503 | 1260-1450 / 1535-1650 | <0.3 | - | >25 | >40 | 0° | <0.1 | -40℃~+85℃ | <2 | 1.1(±0.05)*1.1(±0.05)*0.2(±0.05) | Reflectivity 0.2% |
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| 2.5G GPON | 1260.0-1650.0 | Comply with the standards of the International Telecommunication Union (ITU) | - | 1260-1360 | 1475-1620 | <0.3 | - | - | >30 | 45° | <0.1 | -40℃~+85℃ | <2 | 1.1(±0.05)*1.1(±0.05)*0.2(±0.05) | Reflectivity 0.2% |
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The above list shows our current stock items.
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Frequently Asked Questions (FAQ)
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What are the main applications of these 2.5G GPON filters?
These GPON filters are designed for telecommunication applications, specifically to separate or isolate specific wavelength bands (like upstream and downstream bands) in 2.5G GPON networks according to ITU standards.
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What incident angles are supported by these filters?
We offer standard configurations supporting both 0° and 45° incident angles, allowing flexible integration depending on your optical system layout.
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How stable are these filters under temperature variations?
The filters exhibit excellent thermal stability with a center wavelength thermal drift of less than 2 pm/°C across an operating temperature range of -40°C to +85°C.
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Can I customize the dimensions or optical specifications?
Yes, although our standard stock dimensions are 1.1x1.1x0.2 mm, we can provide custom sizes, passbands, and transmission requirements. Please contact us to submit your specific requirements.
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What type of Backside AR coating is applied to these GPON filters?
The backside features an Anti-Reflection (AR) coating designed to limit reflectivity to under 0.2%, minimizing optical loss and maximizing transmission performance.