3 Port PM Circulator 1064nm 1310nm 1480nm 1650nm For Optical Instruments

This PM Circulator is a 3-port in-line circulator suitable for polarization-maintaining fiber optic systems. It supports common wavelength bands such as 1064nm, 1310nm, 1480nm, 1550nm, and 1650nm, making it suitable for directional optical signal transmission, channel isolation, and system integration applications. The product uses PM980, PM1300, or PM1550 fiber and can be configured in single-stage or dual-stage structures, balancing low insertion loss, high isolation, and stable polarization-maintaining performance. The typical insertion loss in the 1310/1480/1550nm band is as low as 0.7dB, with a maximum insertion loss of 0.9dB and a peak isolation of up to 50dB. Return loss and crosstalk suppression both reach 50dB, contributing to improved system stability and reduced reflection interference. The product supports single-axis or dual-axis designs, with a maximum power handling capacity of 300mW. Fiber optic pigtails are available in 250μm bare fiber, 0.9mm, 2.0mm, or 3.0mm sheaths, with a standard length of 100cm. Connectors include FC/APC, FC/UPC, or custom options. Package sizes include Φ5.5×35, Φ5.5×38, 90×20×10, and 100×80×10, suitable for experimental platforms, laser systems, communication equipment, and OEM module compatibility.

• Supports 1064/1310/1480/1550/1650nm wavelengths
• Selectable Single Stage or Dual Stage
• Low typical insertion loss, high isolation
• Return loss ≥50dB, crosstalk suppression ≥50dB
• Supports Single Axis or Dual Axis
• Uses PM980, PM1300, and PM1550 fiber
• Supports various packages, pigtails, and connector customization

• Polarization-Maintaining Fiber Systems
• Fiber Lasers
• Fiber Amplifiers
• Optical Communication Equipment
• Optical Test Instruments
• Fiber Optic Sensing
• Precision Optical Platforms
• OEM Photonic Modules