The invention provides a lighting device (1) lighting device (10) comprising: (I) a
first light source (110) configured to provide
first light source light (101); (II) a
luminescent material (200) configured to convert at least part of the
first light source light (101) into
luminescent material light (201); (III) a
beam shaping optical element (300) having a light entrance side (341) and a light
exit side (342), and a wall (347) bridging a distance between the light entrance side (341) and the light
exit side (342), wherein at least part of the wall (347) is reflective for the
luminescent material light (201), wherein the
beam shaping optical element (300) is configured to receive at least part of the luminescent material light (201) at the light entrance side (341) and to provide beam shaped luminescent material light (201) at the light
exit side (342); (IV) an elongated light transmissive body (100) having a first face (141) and a second face (142) defining a length (L) of the light transmissive body (100), and having one or more side faces (147) bridging the length (L) between the first face (141) and the second face (142), the light transmissive body (100) comprising a
radiation input face (111) and a first
radiation exit window (112), wherein the first face (141) comprises the
radiation input face (111) and wherein the second face (142) comprises the first radiation exit window (112), wherein the radiation input face (111) is configured to receive at least part of the beam shaped light luminescent material light (201); (V) a second
light source (120) configured to provide second
light source light (121); wherein the elongated light transmissive body (100) is configured to receive at least part of the second
light source light (121) via one or more of (i) incoupling of the second light source light (121) via the wall (347) of the
beam shaping optical element (300), (ii) incoupling of the second light source light (121) via part of the first face (141) of the elongated light transmissive body (100), and (iii) incoupling of the second light source light (121) via part of the of the one or more side faces (147) of the elongated light transmissive body (100).