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China MULTIIR COMBE Filter - Premium Optical Communication Solution from Trusted 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| COMOB | 1260.0-1650.0 | Comply with ITU standards | - | 1550-1600 | 1460-1500 | <0.3 | - | - | >25 | 45° | <0.1 | -40℃ ~ +85℃ | <2 | 1.4(±0.05)×1.4(±0.05)×0.3(±0.05) | Reflectivity 0.2% |
|
| COMOB | 1260.0-1650.0 | Comply with ITU standards | - | 1470-1600 | 1260-1360 | <0.3 | - | - | >25 | 45° | <0.1 | -40℃ ~ +85℃ | <2 | 1.4(±0.05)×1.4(±0.05)×0.3(±0.05) | Reflectivity 0.2% |
|
| COMOB | 1260.0-1650.0 | Comply with ITU standards | - | 1290-1590 | 1260-1280 | <0.3 | - | - | >20 | 13° | <0.1 | -40℃ ~ +85℃ | <2 | 1.4(±0.05)×1.4(±0.05)×0.3(±0.05) | Reflectivity 0.2% |
|
| COMOB | 1260.0-1650.0 | Comply with ITU standards | - | - | 1260-1280 | - | - | - | >30 | 32° | <0.1 | -40℃ ~ +85℃ | <2 | 1.4(±0.05)×1.4(±0.05)×0.3(±0.05) | Reflectivity 0.2% |
|
| COMOB | 1260.0-1650.0 | Comply with ITU standards | - | 1290-1330 | 1260-1278 / 1450-1650 | <0.3 | - | - | >30 | 0° | <0.1 | -40℃ ~ +85℃ | <2 | 1.4(±0.05)×1.4(±0.05)×0.3(±0.05) | Reflectivity 0.2% |
|
| COMOB | 1260.0-1650.0 | Comply with ITU standards | - | 1260-1280 | 1292-1650 | <0.3 | - | - | >30 | 0° | <0.1 | -40℃ ~ +85℃ | <2 | 1.4(±0.05)×1.4(±0.05)×0.3(±0.05) | Reflectivity 0.2% |
|
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Frequently Asked Questions (FAQ)
Q
What applications are COMOB optical filters designed for?
COMOB optical filters are precision components optimized for fiber optic telecommunications, WDM (Wavelength Division Multiplexing) systems, and optical transceivers compliant with ITU grid standards across the 1260 nm to 1650 nm range.
Q
What is the thermal stability of these filters?
The filters provide exceptional thermal stability with a wavelength thermal drift (△λ/△T) of less than 2 pm/°C across an operating temperature range of -40°C to +85°C, ensuring steady performance in harsh environments.
Q
What is the benefit of the backside AR coating?
The backside Anti-Reflection (AR) coating delivers an ultra-low reflectivity of ≤0.2%, reducing back-reflection and minimizing insertion loss (<0.3 dB) to maximize signal transmission efficiency.
Q
Are different incident angles supported?
Yes, standard configurations support multiple incident angles including 0°, 13°, 32°, and 45° to fit various optical path layouts and module architectures.
Q
Can custom dimensions or passbands be manufactured?
Yes. While the standard dimension is 1.4(±0.05) × 1.4(±0.05) × 0.3(±0.05) mm, customized dimensions, substrate thicknesses, and specific passband/isolation bands are available upon request.