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Which manufacturer produces fiber optic circulators

Fibre interconnection and data room reference Published 24 Mar 2026

Use this reference to prepare product questions for FD SOLUCIONES. Check interfaces, capacity, protection and installation requirements against the current product documentation.

Leading fiber optic circulator manufacturers include Thorlabs, Agiltron, and O/E LAND INC., offering a range of single-mode, polarization-maintaining, and broadband devices.

Key Manufacturers and Offerings

Thorlabs provides a wide range of optical circulators, including single-mode (SM) and polarization-maintaining (PM) devices. Their circulators support center wavelengths of 1064 nm, 1310 nm (O-Band), and 1550 nm (C-Band), with options for FC/PC or FC/APC connectors. Thorlabs also offers broadband circulators for OCT applications and wideband multimode circulators suitable for fluorescence, spectroscopy, and optogenetics, featuring low insertion loss and high isolation for advanced communication systems and fiber sensor applications.

Agiltron specializes in high-performance fiber optic isolators and circulators, offering both narrowband and broadband configurations across spectral ranges from 350 nm to 2100 nm. Their products include polarization-independent and polarization-maintaining versions, with high-power capabilities up to kilowatts. Agiltron also provides custom designs, integrated power monitors, and ultra-broadband options for specialized applications.

O/

E LAN

D INC. manufactures fiber optic circulators designed for bi-directional transmission over a single fiber. Their devices are non-reciprocal, three- or four-port optical components that efficiently separate optical signals moving in opposite directions, making them suitable for advanced communication systems and fiber-optic sensor applications.

Applications

Fiber optic circulators are widely used in: Bi-directional communication systems to enable transmission over a single fiberFiber-optic sensors for precise signal routingOptical coherence tomography (OCT) and spectroscopyAdd-drop multiplexing and chromatic dispersion compensation in DWDM systemsSelection ConsiderationsWhen choosing a manufacturer or product, consider: Wavelength range (O-Band, C-Band, or broadband)Mode type (single-mode, multimode, or polarization-maintaining)Insertion loss and isolationPower handling capabilityConnector type (FC/PC, FC/APC, or unterminated)Custom design availability for specialized applications For a comprehensive list of manufacturers and to request quotes, GoPhotonics provides a directory of over 60 fiber optic circulator suppliers, allowing filtering by location and capabilities.

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Which manufacturer produces fiber optic circulators
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