A light duct homogenizer, comprising: an inlet light duct having a first surface and an opposing second surface disposed at an inlet light duct height from the first surface; an outlet light duct contiguous with the first surface and having an opposing third surface disposed at an outlet light duct height from the first surface, the outlet light duct height being greater than the inlet light duct height; a first planar reflector forming a 45 degree angle between the second surface and the third surface, wherein the first planar reflector has a first edge contacting the second surface of the inlet light duct and a second edge contacting the third surface of the outlet light duct; and a second planar reflector disposed parallel to the first planar reflector, the second planar reflector having a third edge contacting the first surface of the inlet light duct and a fourth edge positioned an offset distance Δx from the second edge of the first planar reflector, wherein, when light is injected into the inlet light duct and propagating within a collimation half-angle θ between 0 degree and 30 degrees of a propagation direction parallel to the first surface of the inlet light duct and defining first boundary input light rays (144, 144a, 144b, 144c) directed towards the first surface and second boundary input light rays (146, 146a, 146b, 146c) directed towards the second surface, the third edge is positioned such that the first boundary input light ray that intercepts the second planar reflector at the third edge is reflected towards the first planar reflector at the first edge and the offset distance Δx is selected such that the second boundary input ray that intercepts the second planar reflector at the fourth edge is reflected towards the first planar reflector at the second edge and directed into outlet light duct within the collimation half-angle θ corresponding to the first boundary direction, ensuring thereby that no light injected into the inlet light duct and propagating within said collimation half-angle θ is reflected off the third surface of the outlet light duct. an inlet light duct having a first surface and an opposing second surface disposed at an inlet light duct height from the first surface; an outlet light duct contiguous with the first surface and having an opposing third surface disposed at an outlet light duct height from the first surface, the outlet light duct height being greater than the inlet light duct height; a first planar reflector forming a 45 degree angle between the second surface and the third surface, wherein the first planar reflector has a first edge contacting the second surface of the inlet light duct and a second edge contacting the third surface of the outlet light duct; and a second planar reflector disposed parallel to the first planar reflector, the second planar reflector having a third edge contacting the first surface of the inlet light duct and a fourth edge positioned an offset distance Δx from the second edge of the first planar reflector, wherein, when light is injected into the inlet light duct and propagating within a collimation half-angle θ between 0 degree and 30 degrees of a propagation direction parallel to the first surface of the inlet light duct and defining first boundary input light rays (144, 144a, 144b, 144c) directed towards the first surface and second boundary input light rays (146, 146a, 146b, 146c) directed towards the second surface, the third edge is positioned such that the first boundary input light ray that intercepts the second planar reflector at the third edge is reflected towards the first planar reflector at the first edge and the offset distance Δx is selected such that the second boundary input ray that intercepts the second planar reflector at the fourth edge is reflected towards the first planar reflector at the second edge and directed into outlet light duct within the collimation half-angle θ corresponding to the first boundary direction, ensuring thereby that no light injected into the inlet light duct and propagating within said collimation half-angle θ is reflected off the third surface of the outlet light duct.