2 results about "Laser fluorescence" patented technology

The invention provides a light generating system (1000) comprising a first solid state light source (10), a first luminescent converter (2100), a second luminescent converter (2200), and a first thermally conductive body (3100); wherein: (A) the first luminescent converter (2100) and the second luminescent converter (2200) are configured physically separated by a shortest distance d1, thereby defining an inter-converter cavity (1200); wherein 0.3 mm ≤ d1 ≤ 3 mm; (B) the first luminescent converter (2100) comprises a first converter first major face (2110) and a first converter second major face (2120) opposite the first converter first major face (2110); wherein the first luminescent converter (2100) is configured in thermal contact with the first thermally conductive body (3100) at the first converter second major face (2120); (C) the first solid state light source (10) comprises a laser light source and / or a superluminescent diode, wherein the first solid state light source (10) is configured to generate first light source light (11); wherein the first solid state light source (10) is configured to irradiate the first converter first major face (2110) via a first optical path (31) between the first solid state light source (10) and the first luminescent converter (2100); wherein the first optical path (31) intersects at least part of the inter-converter cavity (1200) and passes by the second luminescent converter (2200); wherein the first luminescent converter (2100) is configured in the reflective mode; wherein the first luminescent converter (2100) is configured to (i) convert part of the first light source light (11) received by the first luminescent converter (2100) into first luminescent converter light (2101), and (ii) reflect at least part of the first light source light (11) received by the first luminescent converter (2100) to the second luminescent converter (2200) as reflected first light source light (111); (D) the second luminescent converter (2200) is configured to (a) convert at least part of the reflected first light source light (111) received by the second luminescent converter (2200) into second luminescent converter light (2201), and (b) transmit at least part of the first luminescent converter light (2101) received by the second luminescent converter (2200); wherein the second luminescent converter (2200) is configured in the transmissive mode; and (E) the light generating system (1000) is configured to generate system light (1001) comprising (a) first luminescent converter light (2101) transmitted by the second luminescent converter (2200) and (b) second luminescent converter light (2201).

Provided is a light source device, including a first laser light source group, a second laser light source group, a dichroic mirror, a fluorescence converter, and an emission component. The first laser light source group emits laser light of a first waveband, and the second laser light source group emits laser light of a second waveband and laser light of a third waveband. The dichroic mirror is disposed on light-output sides of the first laser light source group and the second laser light source group, and the fluorescence converter and the emission component are respectively disposed on light-output sides of the dichroic mirror. The dichroic mirror is configured to emit laser light of various wavebands, and the fluorescence converter generates target fluorescence under the excitation of the laser light of the first waveband, and the target fluorescence is reflected by the dichroic mirror to the emission component.