Lighting assembly for a luminescence analysis apparatus, in...

Details Lighting assembly for a luminescence analysis apparatus, in... Lighting assembly for a luminescence analysis apparatus, in...

G - Physics

02

B

G02B 21/16 (2006.01) G02B 21/00 (2006.01) G02B 21/06 (2006.01)

Patent

CA 2541828

A luminescence analysis apparatus (1), in particular for fluorescence microscopy, has a lighting assembly (13) having a lighting unit (15) which includes a preassembled module (16) housed inside a housing (17); the module (16) is defined by a LED (18) mounted on a plate (19), and by an optical collimating element (20) connected integrally to the LED (18) and located in close proximity to the LED (18); the optical element (20) is a catadioptric collimator made of transparent plastic material and designed to internally convey and transmit the light emitted by the LED (18), so as to generate a substantially parallel beam of light rays which is directed onto a luminescent sample (31) for analysis.

L~invention concerne un appareil d~analyse par luminescence (1), notamment pour la microscopie à fluorescence, lequel comporte un ensemble d~éclairage (13) possédant une unité d~éclairage (15) renfermant un module pré-assemblé (16) logé à l~intérieur d~un boîtier (17). Ce module (16) est défini par une DEL (18) montée sur une plaque (19), et par un élément collimateur optique (20) solidaire de la DEL (18) et situé au voisinage de cette dernière. L~élément optique (20) est un collimateur catadioptrique constitué de matière plastique transparente et destiné à acheminer par voie interne et transmettre la lumière émise par la DEL (18), de manière à produire un faisceau sensiblement parallèle de rayons lumineux qui est dirigé sur un échantillon luminescent (31) à des fins d~analyse.

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