People have been talking about a hydrogen economy for many years, one driven by the cheapest, most common, nonpolluting element in the universe. This dream may become reality in this decade as hydrogen fuel cell development nears the production stage.
Last month, I discussed one of the most important tools in the fiber tech’s toolbox: the fiber optic power meter. This month, let’s examine the other tool that is equally important: the test source used with the power meter to measure the loss of the cable plant.
