Light sources
Light sources simulate the optical voice, video and data signals of real-life service applications, making them an essential component of a thorough testing process. Discover EXFO’s broad range of light-source testing solutions.
FiberBasix 50 - Handheld testers
FiberBasix 50 Handheld Testers deliver simple, accurate measurement of signal attenuation during fiber-optic cable installation.

FLS-140 - Visual fault locator
Highly efficient pocket-size visual fault locator—the ideal complementary tool for any fiber-testing technician.

FLS-240 Pocket Pal - Visual fault locator
Straightforward solution for identifying breaks, bends, faulty connectors or splices, as well as other causes of signal loss.

FLS-300 - light source
The most versatile, complete light source available with up to three singlemode wavelengths on a single port, or four wavelengths (two multimode and two singlemode) on two ports.

FLS-600 - Light source
Part of EXFO’s 600 handheld series, the FLS-600 Light Source is designed for first-class versatility—it offers laser and LED models, as well as various wavelength options.

FLS-600 NS-1548 - Encircled flux compliant light source
Tier-1/2 solutions with controlled source launch conditions for maximum accuracy and repeatability designed to remove uncertainty from multimode fiber testing.

PXM/LXM - Duplex and multi-fiber OLTS
Tier-1 certification power meter and light source kit that supports multiple duplex and multi-fiber connector types. It enables measurement of loss, length and polarity—all in just 1 second—in compliance with certification standards for single or multimode fibers.