Polarization Maintaining Filter Coupler Module（1x4, 2x4）
Features |
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Low Insertion Loss & Excess Loss High stability and reliability | |
Application | |
EDFA Fiber Optical Instrument Power Monitoring Fiber Sensor |
Specifications：
Parameter | 1x4 | 2x4 | |||
Center Wavelength (nm) | 1310 or 1550 | 980 or 1064 | 1310 or 1550 | 980 or 1064 | |
Operating Wavelength Range (nm) | +/-30 | ||||
Insertion Loss (dB) | ≤7.50 Typ. 7.0 | ≤8.0 Typ. 7.5 | ≤7.60 Typ.7.2 | ≤8.20 Typ. 7.6 | |
WDL (dB) | ≤0.50 | ||||
Uniformity (dB) | ≤0.80 | ||||
Return Loss (dB) | ≥50 | ||||
Directivity (dB) | ≥50 | ||||
Extinction Ratio (dB)
| Type B (Both of axis working) | ≥20 | ≥18 | ||
Type F (Fast axis blocked) | ≥22 | ||||
Temperature Dependent Loss( dB/℃) | ≤0.006 | ||||
Fiber Type | PM13 or PM15 | PM98 | PM13 or PM15 | PM98 | |
Operating Temperature (℃) | -5 to+70 | ||||
Storage Temperature(℃) | -40 to +85 | ||||
Package Dimensions(mm) | 100x80x10 | ||||
*Above specifications are for device without connector.
*For devices with connector,IL will be 0.3dB higher,ER will be 2dB lower and RL will be 5dB lower.
*The PM fiber and the connector key are aligned to the slow axis.
Ordering Information：
PMFCM | Wavelength | Type | Coupling Ratio | Axis Alignment | Pigtail Type | Length | Connector |
PMFCM | 0980=980nm 1064=1064nm 1310=1310nm 1550=1550nm
| 014=1x4 024=2x4 | E=Even CR | F=Fast Axis Blocked B=Both Axis Working | 1=250um bare fiber 2=900um loose tube 3=3mm loose tube 4=2mm loose tube | H=0.5m 8=0.8m 1=1.0m 5=1.5m 2=2.0m 3=3.0m 4=4.0m A=2.5m B=5.0m | 0=None 1=FC/UPC 2=FC/APC 3=LC/UPC 4=LC/APC 5=SC/APC 6=SC/UPC
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