Patent ID: 6837592

Claim:
An optical system for an indirect luminaire, said optical system comprising: a lamp assembly having: a first tubular lamp; a second tubular lamp positioned to be horizontally spaced from and parallel to said first tubular lamp; a first elongated parabolic reflector extending below said first lamp, said first parabolic reflector having a substantially parabolic shaped cross section; a second elongated parabolic reflector extending below said second lamp, said second parabolic reflector having a substantially parabolic shaped cross section; a first elongated kick reflector extending adjacent to a side of said lamp assembly along said first lamp, wherein said first kick reflector and said first parabolic reflector are in a spaced relationship whereby a first opening is formed therebetween; a second elongated kick reflector extending adjacent to a side of lamp assembly along said second lamp, wherein said second kick reflector and said second parabolic reflector are in a spaced relationship whereby a second opening is formed therebetween; and a housing having a bottom portion and a top portion, wherein said bottom portion further has a first elongated translucent area and a second elongated translucent area, wherein said first translucent area is located to be in optical communication with said second lamp through said second opening, wherein said second translucent area is located to be in optical communication with said first lamp through said first opening, and wherein said housing top portion is open for allowing light to exit said luminaire.