Polarization Maintaining Isolator Overview: The polarization maintaining isolator is characterized with low insertion loss, high isolation, high extinction ratio, high return loss, and excellent environmental stability and reliability. It is ideal for polarization maintaining fiber amplifier, fiber laser, fiber sensor, and instrumentation applications. Features: * High isolation * Low insertion loss * High extinction ratio * Excellent environmental stability and reliability Applications: * Fiber lasers * Fiber sensor * Polarization maintaining optical system Specification: Type Parameter Single stage Grade P Dual stage rade A Grade P Grade A 1310 ± 15， 1550 ± 15 Operating wavelength (nm) Extinction ratio(dB) ≥20 ≥18 ≥20 ≥18 Peak isolation(dB) 42 40 56 53 Min. isolation at (dB)(23℃) 32 30 52 50 Insertion loss(dB) ≤0.4 ≤0.6 ≤0.6 ≤0.8 Return loss (input/output) 55/50 55/50 55/50 55/50 Pigtail fiber PM panda fiber or specify Operating temperature 0℃ ～ + 70℃ Storage temperature (℃) -40℃ ～ + 85℃ Max. input power (mw) 500 Dimensions(mm) φ5.5×L30 * Remark: Above specifications are for the devices without connectors. The PM fiber and the connector key are aligned to the slow axis.
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