Isolators & Circulators
The OIST Series fiber optical isolator is a passive device that guides lights at 850/980/1060 nm in the forward direction while blocking light propagating in the reverse direction. Our proprietary magnetic-optics technology and proven advanced micro-optics design perfected over 25 years features low insertion loss, high isolation, compact structure, high power handling, and high stability. The platform can accommodate various fibers of polarization independence, polarization maintenance, multimode, and double cladding. The available configurations include 5W CW optical power handling, dual-stage high isolation, and integrated output power monitoring tap. The tap monitor is placed before coupling into the output fiber. The excellent characteristics of this product make it an ideal choice for applications where a high-performance isolator is needed.
Configuration options
Configure the options below and add your exact build to the enquiry — we confirm the part number and availability.
We confirm the exact part number for your configuration on enquiry.
Configuration: Polarization Independent · Tap: Non · Wavelength: 1060 · Power: 0.3W · Stage: Single · Fiber Type: HI1060 · Fiber Cover: 0.9mm tube · Fiber Length: 0.25m · Connector: None
Application context
Application guidance is tied to the configured wavelength, fiber interface and optical-budget fields for this family.
Fiber Optical Isolator 800-1060nm, up to 5W: Laser source protection depends on preserving the optical budget through the complete path. The 1060, 850, 980, 940, 780 wavelength specification sets source and detector compatibility, while listed loss or isolation figure (< 2 / < 2 / < 1 / < 1 / < 0.9 / < 0.9) determines link margin and channel leakage. The fiber/interface entry (HI1060, HI780, SM800, HI980, PM780, PM850, PM980) must match the connected components.
Fiber Optical Isolator 800-1060nm, up to 5W: Bidirectional signal routing depends on preserving the optical budget through the complete path. The 1060, 850, 980, 940, 780 wavelength specification sets source and detector compatibility, while listed loss or isolation figure (< 2 / < 2 / < 1 / < 1 / < 0.9 / < 0.9) determines link margin and channel leakage. The fiber/interface entry (HI1060, HI780, SM800, HI980, PM780, PM850, PM980) must match the connected components.
Specifications
| Fiber Type | PM780 | SM800 | PM850 | SM980 | PM980 | Hi1060 |
| Operation Wavelength (nm) | 780 | 780 | 850 | 940 | 980, 1030, 1060 | 980, 1030, 1060 |
| Insertion Loss (dB) | < 2 | < 2 | < 1 | < 1 | < 0.9 | < 0.9 |
| Isolation (dB) | 23 | 23 | 23 | 23 | 23 | 23 |
| Extinction Ratio (dB) | 18 | N/A | 19 | N/A | 19 | N/A |
| Max Optical Power (W) | 0.1 | 0.5 | 0.3 | 0.2 | 0.7 | 0.7 |
| Fiber Type | PM780 | SM800 | PM850 | SM980 | PM980 | Hi1060 |
| Operation Wavelength (nm) | 780 | 780 | 850 | 940 | 980, 1030, 1060 | 980, 1030, 1060 |
| Insertion Loss (dB) | < 2.2 | < 2.2 | < 1.2 | < 1.1 | < 1.2 | < 1.2 |
| Isolation (dB) | 45 | 45 | 45 | 45 | 45 | 45 |
| Extinction Ratio (dB) | 18 | N/A | 19 | N/A | 19 | N/A |
| Max Optical Power (W) | 0.1 | 0.5 | 0.3 | 0.2 | 0.7 | 0.7 |
System integration
Use these checks to connect Fiber Optical Isolator 800-1060nm, up to 5W to the surrounding optical, mechanical and control system. Every value shown is taken from this model's own specification record.
Technical FAQ
Fiber Type: HI1060, HI780, SM800, HI980, PM780, PM850, PM980 · Fiber Cover: 0.9mm tube, Bare fiber, Special. Specify connector polish and fiber architecture together. FC/PC, FC/APC and SMA interfaces, and single-mode, multimode and polarization-maintaining fibers, impose different return-loss, mode-field and alignment requirements.
Wavelength: 1060, 850, 980, 940, 780 · Operation Wavelength (nm): 780 / 780 / 850 / 940 / 980, 1030, 1060 / 980, 1030, 1060. Check the Isolators & Circulators passband, insertion loss, return loss and power handling at the actual source wavelength; a nominal telecom-band label is not a substitute for the configured range.
Share your wavelength, fiber type, connector, power handling and control requirements and we will qualify the matching configuration and part number.
Model selection
Compare Fiber Optical Isolator 800-1060nm, up to 5W with the closest available models in the Isolators & Circulators family. Confirm option-dependent values on the final configuration before ordering.
| Selection parameter | Fiber Optical Isolator 800-1060nm, up to 5W (current) | Fiber Optical Isolator 800-1060nm High Power 20W | Fiber to Free Space Isolator/Collimator 500-1060nm High Power |
|---|---|---|---|
| Wavelength range | 1060, 850, 980, 940, 780 | 1060, 850, 980 | Confirm for this model |
| Optical performance | < 2 / < 2 / < 1 / < 1 / < 0.9 / < 0.9 | Confirm for this model | Confirm for this model |
| Fiber type | HI1060, HI780, SM800, HI980, PM780, PM850, PM980 | HI1060, HI780, HI980, PM780, PM850, PM980 | Confirm for this model |
| Connector / control | None, FC/APC, Special | None, FC/APC, Special | Confirm for this model |
