Features
- Low Insertion Loss
- High Return Loss
- High Extinction Ratio
- High Stability & Reliability
- High lsolation
Applications
- Communication Systems
- Test Instrument
- Fiber Sensors
- ProductDevelopment
Specifications
Parameter | unit | Parameter | |
Grade | Single | Dual | |
Center Wavelength | nm | 1064 | |
Operating Temperature Range | nm | ±5 | |
Typ. Peak Isolation @23ºC | dB | 35 | 50 |
Min.Isolation @23ºC | dB | 27 | 45 |
Max.Insertion Loss@23ºC | dB | 1.7 | 3.8 |
Max.Insertion Loss@23ºC&Input Power300 mW | dB | 2.0 | 4.0 |
Max.Insertion Loss@23ºC&Input Power1 W | dB | 2.5 | 4.5 |
Max.Insertion Loss@23°ºC&Input Power 2 W | dB | 3.0 | 5.5 |
Min. Extinction Ratio@23ºC(PM Fiber Type) | dB | 20 | |
Max. Polarization Dependent Loss@23ºC(Single Mode Fiber Type) | dB | 0.15 | |
Min. Return Loss(Input /Onput ) | dB | 45 | |
Max. Average Power | W | 0.5, 1,2 | |
Max.ns pulse peak power | kW | 10 | |
Package Dimensions | mm | 33x17x11 .5 | 60x17x11 .5 |
Max.Tensile Load | N | 5 | |
Operating temperature | ºC | +10 - +50 | |
Storage temperature | ºC | 0 - +60 |
Note: When utilizing connectors, handling power is restricted to 1W. Insertion loss will increase by 0.3dB, return loss will decrease by 5dB, and the extinction ratio will diminish by 2dB. The connector key is aligned with the slow axis.

Single | Dual |




The main products of Kerns Tech include optical combiner, isolator, circulator, optical devices, fiber optic patch cord, connector, adapter, optical coupler, attenuator, optic media converter, optic splice closure, optic terminal box, ODF etc, which are widely used in laser equipment, fiber optic equipment, laboratory research, instruments, telecommunications, broadband, broadcast, CATV and network industry.
All the products acquired the approval of the Network Access License for Telecommunication Equipment Ministry of Information Industry, PRC, ISO9001, UL and CE standard, which ensure the reliability and make them sold very well not only in the domestic market but also the overseas market.




R&D Team
Our R&D team is devoted to driving innovation with a clear focus on enhancing product performance.
Market Response
Our diverse product range finds widespread application across multiple industries.
Technical Patents
As an industry leader, we are professional and reliable, consistently delivering top-tier solutions.
Quality Control
Our commitment to perfection, concentration, and efficiency ensures that we meet the highest standards of quality control.



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.