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China MultiIR 2.5G Filter - Low Insertion Loss & High Isolation | Reliable Suppliers & 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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If you don't see what you are looking for, please contact us.
Frequently Asked Questions (FAQ)
What standards do these 2.5G GPON filters comply with?
Our 2.5G GPON filters fully comply with the standards established by the International Telecommunication Union (ITU).
What are the standard dimensions of the GPON filters in stock?
The standard dimensions for these filters are 1.1(±0.05) * 1.1(±0.05) * 0.2(±0.05) mm.
What is the operating temperature range for these optical filters?
These filters are designed to operate reliably in harsh environmental conditions ranging from -40℃ to +85℃.
What is the typical insertion loss and thermal drift?
The peak insertion loss (Peak IL) is less than 0.3 dB, and the wavelength thermal drift (△λ/△T) is minimized to less than 2 pm/°C.
Can I get a custom size or specific wavelength range not listed in the table?
Yes. While the table shows our current stock items, we offer customization options. Please contact us directly to discuss your specific requirements.





