The present disclosure provides a lamp assembly (200), comprising a base (202), an outer jacket (204) mounted to the base (202), a first reflective substrate (206, 208) positioned within the outer jacket (204), and a first solid-state light source (220) disposed proximate the first reflective substrate (206, 208). The outer jacket (204) may be glass. The outer jacket (204) may hermetically seal the first solid-state light source (220).