Disclosed herein are systems and methods for preventing, managing andor treating peripheral neuropathy and peripheral vascular disease in a patient. An output beam from a first F2 laser gain medium is filtered with a pre-gain filter to produce a seed beam having a bandwidth of about 0. Each terminal has a mating portion received in a corresponding terminal receiving channel of the housing. 2; and t represents a duration required to attain a maximum density when the material has been exposed to sufficient light for producing Dmax and is developed at 121\xb0 C.