Multifunctional optical assembly

An optical assembly comprising:

• a light management component comprising an entry surface;
• a light delivery component comprising an exit surface facing the entry surface of the light management component;
• spacers located between the entry surface of the light management component and the exit surface of the light delivery component;
• wherein the exit surface of the light delivery component is adhesively attached to the entry surface of the light management component at one or more attachment points, the one or more attachment points defining unfilled voids located between the exit surface and the entry surface;
• wherein each of the voids comprises a void entry surface and a void exit surface, wherein the void entry surface and the void exit surface are generally parallel to each other and to the entry surface of the light management component and the exit surface of the light delivery component;
• and wherein one or both of the light management component and the light delivery component exhibit an optical gain of one or more.