Our test equipment products include four sub-categories: optical light sources, optical power meters, optical amplifiers and other test instruments for optical system maintenance. The optical light sources have narrow linewidth sources such as those using semiconductor laser diodes as light emitting sources, or wide band light sources, such as using LED, SLED or ASE as sources. We have desktop and handheld modules to meet different needs in labs or fields. Optial power meters with different sizes, dynamic ranges, resolutions and prices are available. We also provide high performance EDFAs. Models include single channel, DWDM wideband, pre-amp, power booster or inline amplifiers, etc. Please enquire directly. We continuously add new test instruments into this category, such as fiber identifiers, handheld switches, etc.