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A 1550nm Gaussian Filter(GFF) is a type of optical filter that is commonly used in fiber optic communications systems. This type of filter is designed to selectively attenuate or block specific wavelengths of light while transmitting other wavelengths. It is commonly used in a variety of fiber optic applications, including optical amplifiers, optical add-drop multiplexers, and other types of optical filtering and signal processing systems. It is also used in fiber optic communications networks to improve the quality and reliability of data transmission.
The unique design of Customized GFF Device allows it to transmit a range of wavelengths within a narrow band centered at 1550nm,resulting in improved system performance and reliability. Its applications include optical amplifiers, WDM, and other types of optical filtering and signal processing systems.
| Parameters | 1x1 1550nm GFF | Remarks |
| Configuration | 1x1 | / |
| Center wavelength(nm) | 1550 | / |
| Center wavelength deviation(nm） | ±0.1 | / |
| Pass band(nm) | C band | / |
| Pass Channel Insert Loss(dB) | ≤1.0 | / |
| Pass Channel Isolation | ＞25 | |
| Stop Band Width@-25dB(nm) | ＜4.0 | |
| Pass Band Width@-0.5dB(nm) | ＞2.0 | |
| Wavelength Thermal Stability(nm/℃） | ≤0.002 | |
| Insert Loss Thermal Stability (dB/℃） | ＜0.005 |
Typical total temperature
loss
changes within 0.2dB
|
| Return Loss(dB) | >50 | |
| Directivity(dB) | >50 | |
| PDL(dB) | ＜0.1 | |
| PMD(dB) | ＜0.1 | |
| Power Handing(mW) | 500 | |
| Fiber Type | G657A1 or as request |
