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GoPhotonics presents a comprehensive range of high-performance fiber optic isolators designed to ensure stable, unidirectional light transmission and prevent back reflections in demanding optical systems. Engineered for precision, reliability, and high-power handling, these isolators provide exceptional isolation and low insertion loss across key operating wavelengths, including 1030 nm, 1064 nm, 1310 nm, 1550 nm, and 1585 nm. Available in polarization-maintaining, polarization-insensitive, and free-space configurations, they deliver excellent return loss and minimal polarization-dependent loss, ensuring stable optical performance in both continuous-wave and pulsed laser environments.
Constructed with advanced all-fiber or hybrid designs, GoPhotonics’ isolators support various fiber types such as Panda PM and SMF-28, along with options for single- or multi-channel operation. Each device is optimized for high laser damage thresholds and precise optical alignment, offering versions with integrated power monitoring ports or broadband operation for extended wavelength coverage. Compact and rugged, they are available with customizable connector interfaces and packaging options to suit laboratory, industrial, and OEM integration needs. Ideal for fiber laser systems, optical amplifiers, DWDM/CWDM networks, sensing setups, and precision research instrumentation, GoPhotonics’ fiber optic isolators deliver the performance and stability essential for advanced photonic applications.
AP-aISO - Fiber Optic Isolator for Amplifier & Laser Systems
The AP-aISO from AdValue Photonics is a fiber optic isolator that operates at wavelengths of 1030 nm and 1064 nm. It provides high continuous-wave power handling in both forward and backward directions, ensuring stable operation in high-power laser and amplifier systems. The device maintains low insertion loss and high isolation to minimize signal degradation and suppress back reflections. It offers excellent return loss performance and supports Panda-type polarization-maintaining fibers, ensuring stable polarization and reliable performance. The isolator features an all-fiber construction without free-space elements and includes an integrated backward power monitoring port for system diagnostics. It is available in single, dual, and triple-channel configurations to suit different system requirements. It is ideal for use in fiber laser and fiber amplifier applications.
OISM - NIR fiber optical isolator for Amplifier Applications
The OISM from Agiltron is an ultra-broadband NIR fiber optical isolator that is designed to block unwanted back reflections and backscattering in fiber optic systems operating around 1310 nm, 1550 nm, and 1900 nm. It provides high isolation levels up to 30 dB while maintaining low insertion loss across a wide operating bandwidth of up to 170 nm. This isolator ensures stable performance with minimal polarization-dependent loss, supporting both single-mode and polarization-maintaining fiber types. It accommodates optical power handling from standard to high-power levels and delivers excellent return loss for reliable signal integrity. It is available in single-stage configurations with multiple fiber and connector options, including FC/PC, FC/APC, SC/PC, SC/APC, ST/PC, and LC/PC, and can be customized for specific system requirements. It is ideal for optical fiber amplifiers, pump laser sources, fiber optic sensors, and instrumentation applications.
L2100-P - Polarization Maintaining Optical Isolator for Research Applications
The L2100-P from OEQuest is a polarization-maintaining optical isolator designed for operation at 1064 nm. It allows light to pass efficiently in one direction while blocking reflected or backscattered light, ensuring stable optical signal transmission. The isolator offers high isolation performance, minimizing feedback with a typical value of 38 dB, while maintaining a low insertion loss for efficient power throughput. It provides a high extinction ratio to preserve polarization quality and ensures excellent return loss at both the input and output ports, reducing unwanted reflections. The device can handle optical power up to 300 mW and is built with polarization-maintaining fiber for enhanced stability and alignment. It is ideal for use in optical communication systems, test instrumentation, fiber sensing, and research applications requiring high isolation and polarization stability.
I633M3 - Free-Space Optical Isolator for Research Applications
The I633M3 from Thorlabs Inc. is a free-space optical isolator that operates at 633 nm. It provides an isolation level in the range of approximately 38 dB to 40 dB for the specified wavelength. It is specified for use with a maximum forward optical power of 3 W. It accommodates a maximum beam diameter of 2.7 mm. It functions over a wavelength span of about 603 nm to 663 nm. It is supplied in a compact housing and is available for integration into optical setups requiring free-space input and output ports. It is ideal for applications in laser systems, research instrumentation, and setups requiring suppression of back reflections in the visible spectral region.
L Band Polarization Insensitive Isolator - Optical Isolator for DWDM Applications
The L Band Polarization Insensitive Isolator from DK Photonics Technology is a single-stage device that operates at a wavelength of 1585 nm. It provides high isolation with low insertion loss, ensuring efficient transmission of light in the forward direction while minimizing back reflections. The isolator maintains excellent polarization stability with very low polarization dependent loss and minimal polarization mode dispersion. It offers high return loss at both the input and output ends, ensuring stable signal performance. Designed for handling moderate optical power levels, it uses Corning SMF-28 fiber to maintain compatibility with standard optical systems. It is available in different grades, connector types, and fiber configurations to support diverse integration requirements. It is ideal for use in DWDM/CWDM, EDFA, Raman amplifiers, fiber lasers, and transmitters applications.
With their high isolation, low insertion loss, and durable all-fiber construction, GoPhotonics’ range of fiber optic isolators ensures reliable signal integrity and stable optical performance across a wide range of wavelengths and power levels. Engineered for precision, stability, and easy system integration, they provide dependable protection against back reflections and feedback in demanding laser and amplifier setups. Whether for laboratory research, industrial manufacturing, or advanced communication systems, these isolators deliver the performance, reliability, and optical stability essential for high-efficiency photonic applications.
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