Polarization Maintaining Wavelength Division Multiplexer Pm CWDM Module

• Customization: Available
• Type: Fiber Optic Multiplexer
• Wiring Devices: Integrated Wiring
• Model NO.: CWDM Modules
• Condition: New
• Center Wavelength: Itu or Itu+ 1nm
• Channel Number: 1X4,1X8,1X16,1X18
• Channel Spacing: 1260~ 1460 or 1460~ 1620 or 1260~ 1620 GHz
• Center Wavelength Accuracy: 20nm
• Channel Passband (@-0.5dB): ±6.5/7.5nm
• Max.Insertion Loss: 0.4dB
• Min. Isolation: 1.9dB
• Non-Adjacent Channel: 30dB
• Upgrade Channel: 40dB
• Min. Return Loss: 50dB
• Min. Extinction Ratio@23ºC: 18dB
• Max. Wavelength Thermal Stability: 0.003
• Max.Insertion Loss Thermal Stability: 0.005
• Max. Power Handling (Cw): 500MW
• Operating Temperature: 0~+70
• Transport Package: OPP Bag/Blister Box, Carton
• Specification: PM CWDM Modules
• Trademark: Kernstech
• Origin: China
• HS Code: 851779900
• Production Capacity: 500000pieces/Year

Product Description

 PM Coarse Wavelength Division Multiplexer CWDM Module 

Product Description

PM CWDM modules are polarization-maintaining optical fiber circulators and isolators that are used in Coarse Wavelength Division Multiplexing (CWDM) systems. CWDM is a low-cost technology that combines multiple signals at different wavelengths into a single fiber optic cable for transmission.

Features

• High Return Loss
• High Stability & Reliability
• High Return Loss& High lsolation
• Good channel-to-channel consistency   

Applications

• CATV system
• DWDM System
• EPON and GPON network

Specifications

Parameter		Unit	Spec
Channel Number			1x4	1x8	1x16	1x18
Center Wavelength		nm	ITU or ITU+ 1
Channel Spacing		GHz	1260~ 1460 or 1460~ 1620 or 1260~ 1620
Center Wavelength Accuracy		nm	20
Channel Passband (@-0.5dB)		nm	±6.5/7.5
Max.Insertion Loss	Mux to Demux(Link)	dB	0.4
Min. Isolation	Adjacent Channel	dB	1.9	2.7	4.2	4.5
	Non-Adjacent Channel	dB	30	30	30	30
	Upgrade Channel	dB	40	40	40	40
Max. Channel Flatness		dB	12	12	12	12
Min. Return Loss		dB	50
Min. Extinction Ratio@23ºC		dB	18
Max. Wavelength Thermal Stability		nm/ºC	0.003
Max.Insertion Loss Thermal Stability		dB/ºC	0.005
Max. Power Handling (CW)		mW	500
Operating temperature		ºC	0~+70
Storage temperature		ºC	-40~+85

Note:For device with connector,IL is 0.3dB higher, RL is 5dB lower, ER is 2dB lower. The default connector key is aligned to 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.

Q5: May I buy samples from you ?
A5: Yes! You are welcome to place sample order to test our superior quality and services.