Polarization Insensitive Mini Fiber Circulator
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Ships from:
China
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On FindLight:
since 2024
Description
The GK-FCIR Series Polarization Insensitive Mini Fiber Circulator by GKER Photonics Co., Ltd is a compact, high-performance optical device designed for efficient signal routing in modern fiber optic networks. Engineered to route optical signals from Port 1 to Port 2 and from Port 2 to Port 3, it features ultra-low insertion loss, high isolation, and minimal polarization dependent loss (PDL). Its small form factor (5.5 × 50 mm) makes it ideal for space-constrained optical modules, while its robust design ensures excellent stability across a wide operating temperature range from -5°C to +70°C.
This circulator is particularly well-suited for Dense Wavelength Division Multiplexing (DWDM) systems, high-speed communication platforms, and bi-directional transmission systems. With a broad operating wavelength range (±20 nm from center), it supports both 1310 nm and 1550 nm applications. Constructed with SMF-28 fiber, it handles up to 300 mW continuous wave optical power, ensuring reliability for demanding communication environments.
Custom configurations, fiber types, and connector options are available upon request, making the GK-FCIR Series a versatile solution for advanced photonics systems.
Polarization Insensitive Mini Fiber Circulator
Specifications |
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|---|---|
| Type Of The Device: | Circulator |
| Operating Wavelength: | 1310 nm |
| Max Power: | 300 W |
| Min Isolation: | 45 dB |
| Center Wavelength (λc): | 1310, 1550 nm |
| Operating Wavelength Range: | λc ± 20 nm |
| Typ. Insertion Loss: | 0.7 dB |
| Max. Insertion Loss: | 0.8 dB |
| Min. Isolation, 23 ℃: | 45 dB |
| Min. Crosstalk: | 50 dB |
| Min. Return Loss: | 55 dB |
| Max. Polarization Dependent Loss, 23 ℃: | 0.1 dB |
| Max. Polarization Mode Dispersion: | 0.1 ps |
| Max. Optical Power (Continuous Wave): | 300 mW |
| Max. Tensile Load: | 5 N |
| Fiber Type: | SMF-28 Fiber - |
| Operating Temperature: | - 5 to + 70 ℃ |
| Storage Temperature: | - 40 to + 85 ℃ |
| Package Dimensions: | 5.5 × 50 mm |
Features
- Compact Design: Miniature 5.5 × 50 mm form factor for dense integration
- High Isolation: Provides a minimum of 45 dB isolation to reduce signal leakage
- Low Insertion Loss: Typical insertion loss of just 0.7 dB for optimal performance
- Polarization Insensitive: Low PDL (≤0.1 dB) ensures consistent performance regardless of signal polarization
- High Return Loss: Minimizes signal reflections with ≥55 dB return loss
- Excellent Stability: Operates reliably from -5°C to +70°C
Applications
- DWDM Systems: Ideal for wavelength multiplexing with minimal signal interference
- High-Speed Optical Networks: Enables efficient signal routing in fast data environments
- Bi-Directional Communication: Facilitates simultaneous upstream and downstream transmission
- Fiber Grating Integration: Enhances functionality when combined with reflective components
- Test and Measurement Equipment: Suitable for laboratory and field optical diagnostics
Frequently Asked Questions
The GK-FCIR Series is designed to route optical signals in one direction—from Port 1 to Port 2 and from Port 2 to Port 3. It enables efficient signal separation and direction control in systems such as DWDM networks, ensuring that signals are transmitted without interference or back reflection.
This circulator maintains consistent performance regardless of the input signal’s polarization state, due to its ultra-low polarization dependent loss (≤0.1 dB). This feature makes it suitable for systems where polarization control is difficult or varies dynamically.
The standard configuration uses SMF-28 fiber, and users can choose from FC/UPC, FC/APC, SC/UPC, SC/APC, or no connectors. Jacket options include 250 µm bare fiber and 900 µm loose tube, with customizable lengths available on request.
Yes, the GK-FCIR Series supports continuous wave (CW) optical power up to 300 mW, making it suitable for use in high-performance applications such as optical amplifiers and laser-based systems.
The circulator is designed for excellent environmental stability, operating in temperatures ranging from -5°C to +70°C, and can be stored between -40°C and +85°C without performance degradation. This makes it ideal for both indoor and outdoor telecom systems.