Fiber Optic Polarization Maintaining Isolator With High Extinction Ratio

Specifications                           Type Parameter Unit Single Grade Dual Grade - P A P A Center Wavelength nm 1310,1480, 1550 Operating Wavelength Range nm ±20 Peak Isolation dB 42 40 58 55 Isolation @ 23℃ dB ≥28 ≥26 ≥48 ≥45 Typ. Insertion Loss @23°C dB 0.4 0.5 0.5 0.6 Insertion Loss @-5 ~ +70 °C dB ≤0.55 ≤0.65 ≤0.65 ≤0.80 Extinction Ratio  @23°C Type B (Both of axis working) dB ≥28 ≥26 ≥28 ≥26 Type F (Fast axis blocked) dB ≥30 ≥28 ≥30 ≥28 Return loss dB ≥50 Power handling mW ≤300 Fiber Type - PM1310 Panda Fiber,PM1550 Panda Fiber, Operating temperature °C 0~+70 Storage temperature °C -40 ~+85 Package Dimensions mm Φ5.5±0.2xL35±1 (P1) *For device with connector, IL is 0.3dB higher, RL is 5dB lower, and ER will be 2dB lower. *The default connector key is aligned to slow axis.