Fiber Circulator FSR-1064P-APC

A fiber-optic circulator is a multiport nonreciprocal optical device. Light entering any port exits the next port in sequence with low loss, while loss from that port to all other ports is high. Circulators require low insertion loss between connected ports and high isolation between unconnected ports. Their main feature is bidirectional optical transmission over a single fiber. Signal circulation is irreversible: although light can be redirected, it must pass through ports sequentially in one direction. JCOPTIX single-mode and polarization-maintaining fiber circulators support transmission systems, EDFA pumping, dispersion compensation, and DWM demultiplexing structures formed by circulators and fiber gratings. Center wavelengths are 1064 nm, 1310 nm, and 1550 nm, with FC/APC or FC/PC connectors for each circulator. Contact support for custom circulators. Single-mode fiber circulators. Models: FSR-1064S-APC, FSR-1064S-PC, FSR-1310S-APC, FSR-1310S-PC, FSR-1550S-APC, FSR-1550S-PC. 3 center wavelengths: 1064 nm, 1310 nm, 1550 nm; FC/APC or FC/PC connectors; compact, low insertion loss, broad bandwidth; maximum optical power 300 mW. Single-mode fiber circulators permit a single optical mode to propagate internally. JCOPTIX versions are compact, have low loss and broad bandwidth, and suit passive optical networks, optical add/drop modules (OADM), optical amplifiers, optical time-domain reflectometers (OTDR), and fiber sensing. Center wavelengths are 1064 nm, 1310 nm, and 1550 nm, maximum power is 300 mW, and each wavelength has FC/APC or FC/PC options. At 1064 nm, isolation is ≥20 dB, insertion loss ≤2.1 dB, and minimum crosstalk ≥45 dB. At 1310 nm and 1550 nm, isolation is ≥40 dB, insertion loss ≤1 dB, and minimum crosstalk ≥50 dB. Polarization-maintaining fiber circulators. Models: FSR-1064P-APC, FSR-1064P-PC, FSR-1310P-APC, FSR-1310P-PC, FSR-1550P-APC, FSR-1550P-PC. 3 center wavelengths: 1064 nm, 1310 nm, 1550 nm; FC/APC or FC/PC connectors; polarization-maintaining technology; compact, low insertion loss, broad bandwidth; maximum power 300 mW. These devices combine PM fiber and micro-optics for systems requiring polarization maintenance. Circulators require low insertion loss between connected ports and high isolation between unconnected ports. JCOPTIX PM circulators combine compact size, low loss, broad bandwidth, and polarization maintenance. Applications include 40Gbps high-speed systems or Raman pumping, double-pass amplifiers, and dispersion compensation modules (DCM). They operate on the slow axis with the fast axis blocked. Center wavelengths are 1064 nm, 1310 nm, and 1550 nm, with maximum power 300 mW. Each wavelength offers FC/APC or FC/PC connectors. At 1064 nm, extinction ratio is ≥20 dB, isolation ≥25 dB, and insertion loss ≤2.1 dB. At 1310 nm and 1550 nm, extinction ratio is ≥22 dB, isolation ≥40 dB, and insertion loss ≤0.9 dB.

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