Gezhi Photonics (Shenzhen) Technology Co., Ltd.
Gezhi Photonics (Shenzhen) Technology Co., Ltd.
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Filter-based wavelength division multiplexing (WDM) filter devices
GEZHI's Filter-based wavelength division multiplexing (WDM) filter devices utilized thin-film filter technology. It multiplexes & demultiplexer three wavelength at 1310, 1490 & 1550nm that carry the voice, data and video services. The Filter-based wavelength division multiplexing (WDM) filter devices combines and separates light to realize bidirectional communication signals at 1310/1490/1550nm wavelength in a wid range. Its used in the "triple-play" FTTH systems with 1 to 2 port configuration. 3wavelengths are fed into the device through the common input port, one wavelength is reflected from one output port, simultaneously, the other 2 wavelengths pass through the device at other output port.
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Features |
Applications |
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Specification
| Parameters | Unit | FWDM Device | ||
| Operating Wavelength T: transmission wavelength R: reflection wavelength 1310±50,1490±10, 1550±10 1610±10, 1625±25, 1650±20 |
nm | 1 | T1550 R1310/1490 | |
| 2 | T1490 R1310/1550 | |||
| 3 | T1310 R1490/1550 | |||
| 4 | T1550/1610 R1310/1490 | |||
| 5 | T1550/1625 R1310/1490 | |||
| 6 | T1625 R1310/1490/1550 | |||
| 7 | T1650 R1310/1490/1550 | |||
| Insertion Loss | dB | Transmission: ≤ 0.6 | ||
| Reflection: ≤ 0.4 | ||||
| Transmission Channel Isolation | dB | ≥ 30 | ||
| Reflection Channel Isolation | dB | ≥ 17 | ||
| PDL | dB | ≤ 0.1 | ||
| Wavelength thermal stability | nm/℃ | ≤ 0.003 | ||
| Insertion loss thermal stability | dB/℃ | ≤ 0.005 | ||
| Return loss | dB | ≥ 45 | ||
| Optical Power | mW | ≤ 500 | ||
| Operating Temperature | ℃ | -10 ~ +70 | ||
| Storage Temperature | ℃ | -40 ~ +85 | ||
| Relative Humidity | % | 5 ~ 95 | ||
| Dimension | mm | Φ5.5×34 | Φ4.2×25 | 90×20×10 |
| Note: 1. Customization is available. 2. Specified without connector, and add an additional 0.2dB loss per connector. |
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Filter-based wavelength division multiplexing (WDM) filter devices
Ordering Information:
| A | B | C | D | E |
| Wavelength | Tube Type | Fiber Length (Include connector) |
Connector | Dimension |
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T15R13/14=T1550 R1310/1490 T14R13/15=T1490 R1310/1550 T13R14/15=T1310 R1490/1550 T15/16R13/14=T1550/1610R1310/1490 X=Others |
25=250um 90=900um 20:2000um 30=3000um X=Others |
05=0.5m±0.05m 10=1.0m±0.05m 15=1.5m±0.05m X= Others |
00=None FP=FC/PC FA=FC/APC SP= SC/PC SA=SC/APC STP=ST/PC STA=ST/APC LP=LC/PC LA=LC/APC X=Others |
5534=Φ5.5×34mm 4225=Φ4.2×25mm 9021=90×20×10mm LGX=LGX Cassette X=Customized |