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Select Wavelength Laser Diodes (SWLD) from LAN/M/CWDM/DWDM: SWLD
The SWLD series laser is specifically developed fbr wavelength division multiplexing (WDM) systems. Selected wavelengths comply with ITU recommendations, both in channel definition of CWDM Wavelengths( 1270 to 1610nm),thus adhering to the 20nm grid and in channel definition of DWDM Wavelengths( 1527.22 to 1610.92nm),thus adhering to the 100GHz grid(0.8nm) relative to a frequency. It is available in a hermetic sealed 14-pin butterfly package. The laser diodes contain thermoelectric cooler (TEC), thermistor, monitor PD and optical isolator to secure high quality laser performance. We also have full customer selection of output powers, package types and output fibers of SM fibers, PM fibers and other special fibers. Our laser products are Telcordia GR-468 qualified, and in compliance with RoHS directives.
Features
• Highoutput power(10〜lOOmW)
• High-performance,multiquantum well (MQW) distributed-feedback (DFB) laser
• Industry-standard, 14-pin butterfly package
• Built-inTEC and optical isolator
• Customerselection of wavelengths(LAN-WDM/CWDM/DWDM)
Opticaland Electric Specifications
Add your TagsSelect Wavelength Laser Diodes | SWLD | CWDM Laser Diode | DWDM Laser Diode |Customized Service :
● If you need any customized products or services, please write your request in Order Remarks, or send an email to [email protected].
Get Quote or Checkout Online :
● To request a Quote or Checkout to pay online, simply add items into your cart and select your preferred method.
Free Shipping & No Tariff :
● Online Order over US$200 is Free Shipping (Not included Heavy Items like Outdoor Cable, Outdoor Cabinet etc), ● For US customer, Fibermart covers all customs duty and fees - no additional tariff charges.
Shipping Time :
● FedEx : 2-4 business days
Payment Method :
● PayPal (Online) ● Credit / Debit Card (Online) ● ABA Routing (US Local)
● T/T Wire Transfer (International) Returns & Warranty :
● 1-Year Warranty ● 60-Day Returns ● 60-Day Exchange ● Limited Lifetime Warranty. Read full Return & Refund Policy
Net Term & Credit :
● Fibermart accept Net 30 and Net 60 payment terms, Contact Us for Credit Account by submit a credit form.
Volume Discount :
● Fibermart offers discount prices for large-volume order, Contact Sales Team for more details.
Customer Reviews Displaying 1 to 5 (of 5 reviews)
by Easton Moss
Date Added: 02/09/2026
Received a well manufactured and excellent DWDM FDB from Fibermart with an impressive customization experience. Rating:  [5 of 5 Stars]
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by Lewis Andrue
Date Added: 11/26/2025
Stable dfb laser source with high isolations and we all tested the units, everything was nice and trusted for each wavelength! Rating: [5 of 5 Stars]
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by Rajesh Kumar
Date Added: 10/11/2025
Fibermart's customized diodes perfectly meet our needs. Rating: [5 of 5 Stars]
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by Sebastian Howard
Date Added: 08/22/2025
Fibermart's DWDM DFB laser diodes functions well with stable output, good. Rating:  [4 of 5 Stars]
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by Simon Hurris
Date Added: 09/04/2024
The DWDM DFB laser diodes works great, working fine in each wavelength, stable output with two isolators, just what we want for the project! Rating: [5 of 5 Stars]
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