1620nm Reflection 1310/1490nm 1x2 Filter WDM Tube For OTDR
Transmission 1620nm Reflection 1310/1490/1550nm 1x2 Filter WDM tube for OTDR
The optical filter is an instrument that is used for wavelength selection, which can select required wavelengths from a large number of wavelengths and reject the addition wavelengths. It can used in wavelength selection, the noise filter of the optical amplifier, gain equalization, optical multiplexing / demultiplexing.
Optical Fiber Filter WDM FTTX 1625nm FWDM-1625 is made by special optical components and advanced technology, it can deeply let 1260-1590nm wavelength pass but efficiently reflect 1600-1670nm wavelength. This product is mainly used in optical fiber on-line testing. It is ideal component of 1625/1650nm optical fiber filtering.
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Features |
Applications |
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Specification
| Parameter | Specification | |
| Central wavelength (nm) | 1625 | |
| Pass band wavelength(nm) | 1600~1670 | |
| Reflection wavelength(nm) | 1260~1590 | |
| Insertion Loss | Pass (C→T)@PB | ≤0.8 |
| Reflect (C→R)@SB | ≤0.6 | |
| Isolation(Pass) | ≥40 | |
| Isolation(Ref) | ≥15 | |
| Directivity (dB) | ≥55 | |
| Return loss (dB) | ≥45 | |
| PDL(dB) | ≤0.10 | |
| Insertion loss thermal stability(dB) | ≤0.005 | |
| Power handling (mW) | ≤500 | |
| Operating temperature(℃) | 0 ~ +70 | |
| Storage temperature(℃) | -40 ~ +85 | |
| Dimensions(mm) | Φ5.5xL35mm | |
Note: Higher performance specifications available upon request.
Ordering Information:
| FWDM | Pass wavelength | Module type | Cable type | Fiber length | connector |
| FWDM | 1625nm | 00=Glass Tube S1=Φ5.5x35mm A0=90x20x10mm A1=ABS box 100x80x10mm A2=ABS box 120x80x18mm A3=ABS box 140x115x15mm L1=LGX 129*29*130mm L2=LGX insert in 2slot Rack L4=LGX insert in 4slot Rack R1=19" 1 U Rack R2=2slot 19″1U Rack R4=4slot 19″1U Rack X=Customized |
00=bare fiber 09=900um loose tube 20=2.0mm 30=3.0mm |
05=0.5m 10=1.0m 15=1.5m X=Customized |
00=none LP=LC/UPC LA=LC/APC SP=SC/UPC SA=SC/APC FP=FC/UPC FA=FC/APC X=Customized |
- 250um bare fiber packing by glass tube 4.2x25mm
- 250um bare fiber and 900um fiber packing by Stainless Steel Tube 5.5x35mm or 5.5x38mm
- 900um, 2.0mm and 3.0mm fiber is packing by ABS box
- Note: 250um bare fiber is too finne to be equiped with connector
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