Polarization Maintaining Gain Flattening Filter Isolator
Features |
|
Low Insertion Loss Flat Spectral Gain High Stability and reliability &High Extinction Ratio | |
Application | |
EDFA |
Specifications:
Parameter | Single Stage | Dual Stage | |
Wavelength Range (nm) | 1528~1565 | ||
Insertion Loss (dB) | ≤0.80 | ≤1.0 | |
Isolation(dB) | ≥28 | ≥48 | |
Peak to Peak Error Function (dB) | ≤0.55 | ||
Extinction Ratio (dB) | Type B (Both of axis working) | ≥20 | |
Type F (Fast axis blocked) | ≥23 | ||
Return loss (dB) | ≥50 | ||
Power handling (mW) | ≤500 | ||
Operating temperature (℃) | -5~+70 | ||
Storage temperature (℃) | -40 ~ +80 | ||
Dimensions (mm) | φ5.5×L35 or φ5.5×L38 | ||
*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.
Package Dimensions:

Ordering Information:
PMGFFI | Wavelength | Isolator Stage Type | Axis Alignment | Package | Pigtail Type | Length | Connector |
PMGFFI | 1550=1528~1565nm | S= Single Stage D= Dual Stage | F=Fast Axis Blocked B=Both Axis Working
| 0=Glass tube 1=5.5x35mm 2=5.5x38mm
| 1=250um bare fiber 2=900um loose tube 4=2mm loose tube | H=0.5m 1=1.0m 5=1.5m 2=2.0m 3=3.0m A=2.5m | 0=None 5=SC/APC 6=SC/UPC |
