Polarization Maintaining Coupler
The polarization maintaining coupler is an optical component designed for polarization maintaining systems. It ensures the input polarization state while achieving power splitting or combining. This product adopts precise optical fiber tapering and micro-optical structure, ensuring low insertion loss and high extinction ratio. It is suitable for high-precision optical systems sensitive to polarization.
Specification Snapshot
Typical Insertion Loss (dB)
0.8 to 2.0
Maximum Insertion Loss (dB)
1.2 to 2.5
Extinction Ratio (dB)
18 to 30
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Overview
The polarization maintaining coupler is an optical component designed for polarization maintaining systems. It ensures the input polarization state while achieving power splitting or combining. This product adopts precise optical fiber tapering and micro-optical structure, ensuring low insertion loss and high extinction ratio. It is suitable for high-precision optical systems sensitive to polarization.
Specifications
| Parameter | Value |
|---|---|
| Center Wavelength (nm) | 488, 532, 635, 780, 830, 980, 1064, 1310, 1480, 1550, 1700, 2000 |
| Operating Wavelength Range (nm) | ±5 to ±20 |
| Typical Insertion Loss (dB) | 0.8 to 2.0 |
| Maximum Insertion Loss (dB) | 1.2 to 2.5 |
| Extinction Ratio (dB) | 18 to 30 |
| Maximum Power Loss per Connector (dB) | 1.0 to 0.3 |
| Maximum Optical Power (W) | 20 |
| Thermal Stability (dB) | ≤0.005 |
| Maximum Return Loss (dB) | 50 |
| Minimum Directivity (dB) | 50 |
| Signal End Fiber Type | Polarization Maintaining Fiber |
| Tap End Fiber Type | Polarization Maintaining Single Mode Fiber |
| Operating Temperature (°C) | -5~+70 |
| Storage Temperature (°C) | -40~+85 |
| Coupling Ratio and Tolerance | 1/99, 2/98, 5/95, 10/90, 20/80, 30/70, 40/60, 50/50 ±0.3 |
| Maximum Coupling Ratio Tolerance (%) | ±0.3 |
| Splitting Ratio | 0.1/99.9 |
Applications
1. Power monitoring 2. Optical communication 3. Optical fiber laser 4. Optical fiber amplifier 5. Optical fiber sensing
Key Features
1. Wavelength range selectable from 488~2100nm 2. Compact size with length less than 30mm 3. High power handling (up to 100W) 4. Low insertion loss and high reliability
Datasheet
Product Datasheet
PDF
Supplier Information
<p>Shanghai Minyi Optoelectronics Technology Co., Ltd. is a high-tech enterprise that develops, produces and sells special optical fiber connectors, passive optical fiber components, large core diameter optical fiber splicing processing equipment, optical fiber test and measurement instruments and commonly used tools and materials in optical fiber laboratories. It sells special optical fibers of well-known brands at home and abroad as an agent, with standing inventory and timely delivery. The company is located in the Minhang Science and Technology Innovation Industrial Park in Shanghai, adjacent to Shanghai Jiao Tong University and Zizhu High-tech Zone Science and Technology Park.</p><p><br></p><p>Minyi's optoelectronic device products cover most of the wavelengths of ultraviolet, visible and near-infrared light, including the 190nm~2050 band: special jumper connectors and adapters, fiber collimators, fiber isolators, fiber circulators, fiber couplers Combiners, fiber combiners, fiber polarizers, wavelength division multiplexers, bandpass filters, fiber mirrors, fiber rotating mirrors, fiber attenuators and fiber gratings, etc. Standard, high-power and polarization-maintaining devices, small and ultra-small packages can be customized and produced. We have the ability to produce devices using different types of optical fibers. The optical fibers in stock include: single-mode optical fiber, multi-mode optical fiber, polarization-maintaining optical fiber, laser/pump power energy transmission optical fiber, double-clad rare earth doped optical fiber, passive matching optical fiber, life medical optical fiber, sensing optical fiber, etc.</p><p>Since our establishment, we have taken technological innovation as our guide and are committed to continuously introducing advanced global technologies and products, fully providing support and assistance to domestic users, providing products and services with cutting-edge technologies and future development trends, and facilitating domestic users' scientific research and production applications. After years of partnership accumulation and joint development, the company is now capable of providing innovative and customized products and solutions, such as: laser sources of various wavelengths, fiber lasers, fiber amplifiers, optical power meters, etc., as well as various tools and materials to assist scientific research experiments and special applications in the laser industry.</p><p><br></p><p>The application fields of fiber optic devices that we provide comprehensive services include: fiber optic communications, fiber laser/amplification, optical/spectral analysis and measurement, biomedical OCT, radar detection, aerospace, fiber optic sensing/fiber optic gyroscope, coherent synthesis, machine vision, quantum communication, ultrafast laser and scientific research, etc.</p>
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