780-1550nm Polarization Maintaining Fused Coupler (1X3/3X3)

• Customization: Available
• Type: Fiber Optic Splitter&Coupler, Single-Mode Fiber
• Wiring Devices: Integrated Wiring
• Model NO.: 780-1550nm Polarization Maintaining Fused Coupler
• Condition: New
• Application: Communication, Art, Sensor, Medicine, Probe
• Material Shape: Round Wire
• Allowed Lateral Pressure: 100(N/100mm)
• Allowed Tensile Strength: <100n
• Core: Multicore
• Brand: OEM
• Sheath Material: PVC
• Connection Structure: No Connector
• Central Wavelength: 780-1550nm
• Operating Wavelength Range: ±40
• Max. Additional Loss: 0.7-1.2
• Max.Tensile Load: 5n
• Operating Temperature: -5~+70
• Storage Temperature: -40~+85
• Transport Package: Bag Packing Separately
• Specification: 1x2/2x2
• Trademark: kernstech
• Origin: China
• HS Code: 8544700000
• Production Capacity: 500000pieces/Year

Product Description

780-1550nm Polarization Maintaining Fused Coupler (1x3/3x3)

Product Description

 

This 780-1550nm Polarization Maintaining Fused Coupler is designed for applications requiring high power handling and reliability, such as coherent communication systems, power monitoring, and fiber optic sensing. With low insertion loss and high extinction ratio, it ensures optimal performance in various demanding environments

 

Features

• High power handling
• Low insertion loss
• High stability & reliability

Applications

• Coherent Communication Systems
• Power Monitoring
• Fiber Optic Sensing

Specifications

Parameter	Unit	Value
Center Wavelength	nm	1550, 1310
		1064, 1030, 980
		850, 808, 780
Operating Bandwidth	nm	±20 (1550, 1310)
		±10 (1064, 1030, 980, 850, 808, 780)
Maximum Excess Loss	dB	1.0 (1550, 1310)
		1.2 (1064, 1030, 980, 850, 808, 780)
Minimum Extinction Ratio	dB	18
Splitting Ratio	%	33:33:33
Allowed Split Ratio	%	±4
Minimum Directivity	dB	50
Minimum Return Loss	dB	50
Maximum Optical Power (CW)	W	2
Fiber Type		PM Panda Fiber
Package Dimensions (250um bare fiber)	mm	φ3 x 54
Package Dimensions (900um loose tube)	mm	φ4 x 70
Operating Temperature	°C	-5 to +70
Storage Temperature	°C	-40 to +85

Note

• When using connectors, the handling power is limited to 1W.
• Insertion loss increases by 0.3dB, return loss decreases by 5dB, and extinction ratio decreases by 2dB.
• Connector key aligns with the slow axis.

 

Package Dimensions

 

Detailed Photos

 

 

Company Profile

 

 

 

Our Advantages

 

Beam Combiners
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.

 

Packaging & Shipping

 

 

FAQ

 

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.