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AFW Technologies
Fiber Optic and Micro Optics
Fiber Optic and Micro Optics
Polarization Maintaining Dense WDM
The Polarization Maintaining Dense Wavelength Division Multiplexer series is designed and manufactured to Telcordial standard and ITU standard, the PM DWDM can preserve the polarization of optical signals. The devices use environmentally stable Thin Film Filters and advanced packaging technology to achieve a wide passband, low insertion loss, high channel isolation, excellent environmental stability and high extinction ratio. The Polarization Maintaining Dense WDM can be used individually to perform a single channel add or drop function or it can be used in DWDM systems and sensor systems.
The Polarization Maintaining Dense Wavelength Division Multiplexer series is designed and manufactured to Telcordial standard and ITU standard, the PM DWDM can preserve the polarization of optical signals. The devices use environmentally stable Thin Film Filters and advanced packaging technology to achieve a wide passband, low insertion loss, high channel isolation, excellent environmental stability and high extinction ratio. The Polarization Maintaining Dense WDM can be used individually to perform a single channel add or drop function or it can be used in DWDM systems and sensor systems.
| Ordering Examples | |
| Part Number | Description |
| PDWDM-1-B-7-0 |
Polarization maintaining dense WDM, 100GHZ, ITU grid, 250um bare fiber, 0.75m fiber length, without connectors |
| PDWDM-2-L-5-2 |
Polarization maintaining dense WDM, 200GHZ, ITU grid, 900um jacket, 0.5m fiber length, FC/APC connectors |
| PDWDM-1-C-7-1 |
Polarization maintaining dense WDM, 100GHZ, ITU grid,3mm cable jacket, 0.75m fiber length, FC/UPC connectors |
| Polarization Maintaining Dense Wavelength Division Multiplexer | |||
| Specifications | |||
| Parameters | Values | ||
| Filter type | 200GHz | 100GHz | |
| Pass band | Center wavelength CWL | ITU Grid | |
| Min. bandwidth@ 0.5dB | 0.5nm | 0.2nm | |
| Typ. bandwidth@0.5dB | 0.7nm | 0.4nm | |
| insertion loss@C-->P | < 1.0dB | <1.2dB | |
| Min channel isolation@C-->P | 25dB | 25dB | |
| Typ.channel isolation@C-->P | 30dB | 30dB | |
| Reflection band | Insertion loss@C-->R | < 0.5dB | < 0.5dB |
| Min. channel isolation@C--> R | 12dB | 12dB | |
| Typ. channel isolation@C-->R | 15dB | 15dB | |
| Extinction ratio@ 23°C | > 20dB | > 20dB | |
| Directivity | 50dB | 50dB | |
| Return loss | > 50dB | > 50dB | |
| Thermal stability | 0.005dB/°C | ||
| Optical power | 300mW | ||
| Fiber type | PM panda Fiber | ||
| Max. tensile load | 5N | ||
| Operating temperature | -5°C to +70°C | ||
| Storage temperature | -40°C to +85°C | ||
| Note1:The PM fiber and the connector key are aligned to the slow axis. | |||
| Note2: Values specified are without connector loss. With connector IL 0.25dB higher, RL 5dB lower and ER 2dB lower. | |||
| Note3: Specifications are subject to change without notice | |||
| Ordering Information | |
| PDWDM-V-W-X-Y-Z | |
| V: Channel Spacing | 1 - 100 GHZ, 2 - 200 GHZ |
| W: ITU Grid | ITU Grid |
| X: Pigtail type |
B - 250um bare fiber, L - 900um loose tube jacket, C - 3mm loose tube jacket, S - Specify |
| Y: Pigtail length | 5 - 0.5m, 7 - 0.75 m, S - Specify |
| Z: Connector | 1 - FC/UPC, 2 - FC/APC, 3 - SC/UPC, 4 - SC/APC, 6 - LC/UPC, 7 - LC/APC, 0 - none |
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Note for FC connectors: our FC connector key is narrow key (2.00~2.05mm). If you require wide key connectors please specify this on your request/order. Please note that the price will be higher for wide key connectors. |
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Package Dimensions
