Description
The Ultra Wideband Polarization Insensitive Isolator from DK Photonics Technology Limited is engineered to deliver exceptional performance in advanced fiber optic systems. Designed to prevent unwanted back reflections and backscattering, this isolator ensures unidirectional light transmission regardless of the polarization state. Its robust construction, featuring an epoxy-free optical path, makes it highly suitable for high-power applications and environments where long-term reliability is critical.
Utilizing advanced micro-optics packaging technology, this isolator achieves outstanding stability and durability, meeting the stringent requirements of Telcordia GR-1221-CORE qualification. The device offers ultra-low polarization mode dispersion (PMD), making it ideal for systems where signal integrity and minimal distortion are paramount. Its wide operational wavelength range, covering both C+L and S+C+L bands (1460–1620 nm), ensures compatibility with a broad spectrum of fiber optic communication applications.
The isolator is optimized for minimal insertion loss and high isolation, with typical values of 0.4–0.6 dB insertion loss and up to 58 dB peak isolation. High return loss (>50 dB) and low polarization dependent loss (<0.1 dB) further enhance its performance, supporting demanding applications such as fiber optic amplifiers, CATV links, LAN systems, and telecommunications infrastructure. The device is available with various fiber types and connector options, allowing seamless integration into diverse system architectures.
With its compact form factor (OD5.5 x L35 mm), high power handling capability (up to 300 mW), and wide operating temperature range, the Ultra Wideband Polarization Insensitive Isolator stands out as a reliable solution for both laboratory and field deployments. Its design ensures long-term operational stability, making it a preferred choice for professionals seeking high-performance optical isolation in modern fiber optic networks.
Ultra Wideband Polarization Insensitive Fiber Optic Isolator High Isolation
Specifications
| Type Of The Device: | Isolator |
|---|---|
| Operating Wavelength: | 1530 nm |
| Max Power: | 0.3 W |
| Min Isolation: | 35 dB |
| Operating Wavelength (C+L Band): | 1530~1610 nm |
| Operating Wavelength (S+C+L Band): | 1460-1620 nm |
| Peak Isolation (Typ.): | 58 dB |
| Isolation (Min.) (C+L Band): | >35 dB |
| Isolation (Min.) (S+C+L Band): | >32 dB |
| Insertion Loss (Typ.) (C+L Band): | 0.4 dB |
| Insertion Loss (Typ.) (S+C+L Band): | 0.6 dB |
| Insertion Loss (Max.) (C+L Band): | <0.7 dB |
| Insertion Loss (Max.) (S+C+L Band): | <0.9 dB |
| Return Loss (In/Out): | >50/50 dB |
| PDL: | <0.1 dB |
| Operating Temperature: | -20 to +60 °C |
| Storage Temperature: | -40 to +85 °C |
| Fiber Type: | Corning SMF-28 |
| Fiber Pigtail Length: | 1 Meter Each End |
| Fiber Pigtail Type: | 250um bare fiber or 900um tight buffer |
| Package Dimension: | OD5.5 x L35 mm |
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Features
- Ultra Wideband Polarization Insensitive Isolator – Effectively blocks back reflection and backscattering in the reverse direction at any polarization state, ensuring stable optical performance.
- High Isolation – Provides typical peak isolation up to 58 dB and minimum isolation of >35 dB (C+L Band) or >32 dB (S+C+L Band), ideal for demanding optical systems.
- Low Insertion Loss – Achieves typical insertion loss as low as 0.4 dB (C+L Band) and 0.6 dB (S+C+L Band), with maximum values of <0.7 dB and <0.9 dB respectively, minimizing signal attenuation.
- High Return Loss – Ensures return loss greater than 50 dB at both input and output, reducing unwanted reflections and improving signal integrity.
- Low Polarization Dependent Loss (PDL) – Maintains PDL below 0.1 dB, guaranteeing consistent performance regardless of polarization changes.
- Wide Operating Wavelength Range – Supports C+L Band (1530~1610 nm) and S+C+L Band (1460~1620 nm) for versatile compatibility with modern fiber optic systems.
- Epoxy-Free Optical Path – Designed with an epoxy-free optical path, enabling high-power handling up to 300 mW and enhanced reliability in critical applications.
- Micro-Optics Package Technology – Compact OD5.5 x L35 mm package ensures easy integration and robust mechanical stability.
- Telcordia GR-1221-CORE Qualified – Meets stringent industry standards for reliability and performance in telecom and datacom environments.
- Wide Operating Temperature Range – Operates reliably from -20°C to +60°C, with storage capability from -40°C to +85°C for use in diverse environments.
- Flexible Fiber Options – Equipped with Corning SMF-28 fiber, available in 250um bare fiber or 900um tight buffer, with standard 1 meter pigtails on each end.
- Multiple Connector Choices – Supports a variety of connector types including FC/PC, FC/APC, SC/PC, SC/APC, LC/PC, LC/APC, or custom options for seamless system integration.
- Ideal for Multiple Applications – Perfect for fiber optic amplifiers, CATV fiber optic links
Applications
- Fiber Optic Amplifiers (EDFA, Raman, SOA)
Used to prevent back-reflection and unwanted feedback in high-gain optical amplifiers, ensuring stable operation and improved signal quality. - CATV Fiber Optic Links
Essential for cable television (CATV) transmission systems to minimize signal degradation and maintain high-quality video and data transmission. - Fiber Optic Communication Systems
Protects sensitive components from reflected signals in long-haul, metro, and access networks, enhancing overall system reliability and performance. - Optical Fiber Testing and Measurement
Used in test setups to isolate devices under test (DUT) from unwanted back-reflections, ensuring accurate measurements in laboratory and field environments. - Fiber Optic Local Area Networks (LANs)
Maintains signal integrity in high-speed LANs by blocking backscattered light and reducing noise in the network. - Telecommunications Infrastructure
Integral in backbone and distribution networks to prevent interference and crosstalk, supporting high-capacity data transmission. - High-Power Fiber Laser Systems
Protects laser sources and sensitive optics from damaging back-reflected power, enabling reliable operation in industrial and medical laser applications. - Optical Sensing Systems
Enhances the accuracy and stability of fiber optic sensors by minimizing the effects of back-reflection and polarization changes. - Wavelength Division Multiplexing (WDM) Systems
Ensures channel isolation and prevents signal interference in dense WDM and coarse WDM networks. - Research and Development in Photonics
Used in experimental setups to control light propagation and isolate components for advanced photonic research. - Quantum Communication and Quantum Key Distribution (QKD)
Provides isolation in quantum networks, preventing back-reflection that can compromise secure quantum channels. - Optical Add-Drop Multiplexers (OADM) and Reconfigurable Optical Add-Drop Multiplexers (ROADM)
Maintains signal integrity and prevents feedback in dynamic wavelength routing systems.
Frequently Asked Questions
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