Features
- Low Insertion Loss
- High Return Loss
- High Extinction Ratio
- High Stability & Reliability
Applications
- Optical Fiber Amplifier
- Test Instruments
- Fiber Sensors
- Research
- Optical Fiber Laser
Specifications
Parameter | Unit | Value | |||||||
Connector Type | FC/ UPC SC/ UPC LC/ UPC FC/ APC SC/ APC | ||||||||
Operating wavelength | nm | 1310,1480, 1550 | 9,801,060 | 850 | 780 | 630 | 405 | ||
Fiber Type | PM1310 PM1550 | PM980 | PM850 | Nufern PM780 HP | Nufern PM630 HP | Nufern PM- S405 | |||
Insert loss | dB | ≤0.3 | ≤0.5 | ≤0.8 | ≤1.0 | ≤1.8 | ≤1.8 | ||
Extinction Ratio@23ºC | dB | ≥23 | ≥23 | ≥22 | ≥21 | ≥18 | ≥18 | ||
Return loss | UPC | dB | ≥50 | ||||||
APC | dB | ≥55 | |||||||
Key Direction | / | Slow Axis | |||||||
Axis Alignment Tolerance | ° | ±3 | |||||||
Operating temperature | ºC | -5~+75 | |||||||
Storage temperature | ºC | -40~+85 |
Note:By default the connector key is aligned with the slow axis.











Utilizing unique fiber drawing and packaging technology to achieve pump efficiency of over 93%, supporting various fibers and packaging sizes to meet customized needs.
Couplers / Splitters
Offering low insertion loss and high directivity coupling solutions, supporting stable operation of optical communication systems and optical testing systems.
Isolators
Particularly suitable for test instruments, Raman fiber lasers, ultrafast fiber lasers, etc., characterized by low insertion loss, high return loss, and high isolation.


Q1: What is the warranty?
A1: Our products typically come with a one-year warranty. During the warranty period, if the product fails due to manufacturing defects or material issues, we will provide repair or replacement services free of charge. The warranty does not cover damage caused by misuse, mishandling, or failure to follow the operating instructions.
Q2: What is the packaging?
A2: Our products are packaged with professional shockproof and protective materials to ensure they are not damaged during transportation. Typically, the packaging includes anti-static bags, foam padding, and sturdy cardboard boxes for multiple layers of protection. For special products, we can also provide customized packaging according to customer requirements.
Q3: How do I know if this product is exactly what I need?
A3: Before purchasing, you can determine if the product meets your needs through the following ways:
- Product Manual: Carefully read the product manual and technical specifications.
- Technical Support Consultation: Contact our technical support team with your specific application requirements, and we will recommend suitable products for you.
- Sample Testing: For bulk purchases, we can provide samples for you to test and evaluate.
- Customer Reviews: Check other customers' reviews and feedback.
Q4: How do you maintain quality?
A4: We ensure product quality through the following methods:
- Strict Raw Material Selection: Only select high-quality raw material suppliers.
- Advanced Production Equipment: Use modern, precise production equipment and technology.
- Quality Control System: Establish a comprehensive quality control system, with strict quality inspections at each stage from raw material intake to product dispatch.
- Professional Team: Employ experienced engineers and technicians responsible for production and quality management.
- Continuous Improvement: Continuously collect customer feedback to improve product design and manufacturing processes, enhancing product performance and reliability.