-
公开(公告)号：FR2849218A1
公开(公告)日：2004-06-25
申请号：FR0216279
申请日：2002-12-20
Applicant: MAUNA KEA TECHNOLOGIES
Inventor： BERIER FREDERIC , VIELLEROBE BERTRAND , GENET MAGALIE , LACOMBE FRANCOIS , SANTOS PEDRO
Abstract: The confocal optical miniature head has optical convergers (12,13) to an excitation point (S) on a subsurface. There is a sweep system around the observation point. There is a mechanical microsystem (14a,14b) moving one of the lenses following an offset (DC) in two planes to obtain the sweep.
-
公开(公告)号：CA2471724C
公开(公告)日：2012-03-13
申请号：CA2471724
申请日：2002-12-20
Applicant: MAUNA KEA TECHNOLOGIES
Inventor： BERIER FREDERIC , BOURRIAUX STEPHANE , GENET MAGALIE , VIELLEROBE BERTRAND , LOISEAU ALEXANDRE , ABRAT BENJAMIN
Abstract: Elle est prévue pour équiper l'extrémité distale d'un faisceau de fibres optiques souples (2), destinée à venir au contact d'une surface d'analyse et comprenant des moyens optiques (3) pour focaliser un signal d'excitation en un point focal dit d'excitation situé à une profondeur donnée sous la surface d'analyse et pour prélever un signal rétroémis par le point focal d'excitation qui est véhiculé en retour par ledit faisceau de fibres. Elle est caractérisée par un tube porte-optique (4) au sein duquel sont introduits d'un côté la partie terminale distale (1) du faisceau de fibres (2) et de l'autre les moyens optiques, ces derniers comprenant une lame (21) placée au contact de l'extrémité (14) du faisceau de fibres dont l'indice est proche de celui du coeur des fibres et un bloc optique de focalisation (3), un hublot de sortie (30) étant en outre prévu adapté à réaliser une adaptation d'indice de manière à s'affranchir de la réflexion parasite s'opérant sur la surface d'analyse.
-
公开(公告)号：ES2306923T3
公开(公告)日：2008-11-16
申请号：ES03815393
申请日：2003-12-12
Applicant: MAUNA KEA TECHNOLOGIES
Inventor： BERIER FREDERIC , VIELLEROBE BERTRAND , GENET MAGALIE , LACOMBE FRANCOIS , SANTOS PEDRO
Abstract: Cabeza óptica confocal en miniatura (4) para un sistema de imagen confocal, particularmente endoscópica, al comprender dicha cabeza: - una fuente puntual (2b) que produce un haz de excitación; - medios ópticos (12, 13) adaptados particularmente para hacer converger dicho haz óptico en un punto de excitación (S) situado en un plano subsuperficial (P) con relación a la superficie de una muestra, dicho plano es perpendicular al eje óptico (A) de la cabeza óptica; y - medios de barrido de dicho punto de excitación para describir un campo de observación en dicho plano subsuperficial según dos direcciones perpendiculares de barrido, un barrido rápido en línea y un barrido lento en columna, y - medios micro sistemas mecánicos MEMs (14a-b), caracterizada porque estos medios MEMs están adaptados para desplazar en traslación según un desplazamiento escogido (Dc) por lo menos uno de los medios ópticos (12, 13) que es móvil según una dirección perpendicular a dicho eje óptico (A) de manera que se obtenga por lo menos una de dichas direcciones de barrido, y porque estos medios MEMs están adaptados par a cooperar con el medio óptico móvil (12, 13) de una manera diametralmente opuesta y alternativamente.
-
公开(公告)号：DE60321229D1
公开(公告)日：2008-07-03
申请号：DE60321229
申请日：2003-12-12
Applicant: MAUNA KEA TECHNOLOGIES
Inventor： BERIER FREDERIC , VIELLEROBE BERTRAND , GENET MAGALIE , LACOMBE FRANCOIS , SANTOS PEDRO
Abstract: The confocal optical miniature head has optical convergers (12,13) to an excitation point (S) on a subsurface. There is a sweep system around the observation point. There is a mechanical microsystem (14a,14b) moving one of the lenses following an offset (DC) in two planes to obtain the sweep.
-
公开(公告)号：CA2650856A1
公开(公告)日：2007-11-15
申请号：CA2650856
申请日：2007-04-27
Applicant: MAUNA KEA TECHNOLOGIES
Inventor： LAVILLONNIERE NICOLAS , DOUSSOUX FRANCOIS , BOULAROT NICOLAS , VIELLEROBE BERTRAND , GENET MAGALIE , MATHIEU GILLES
Abstract: The invention concerns a miniaturized optical head provided to equip the distal end of a beam of flexible optical fibres scanned by a laser beam, sai d optical head being designed to come in contact with a sample and to excite said sample confocally; this optical head consisting of means for correctin g spherical aberrations and focusing means. According to the invention, the focusing means comprise: at least a first lens (L4) of high convergence asso ciated with a spherical or hemispherical lens (L5) arranged at the distal en d of the optical head, and means for correction of the axial and lateral chr omatic aberration provided with a single divergent lens (3b) the curvature o f which is substantially centred on the pupil of the optical fibre beam and arranged at the exact distance for this pupil for which the conditions of la teral achromatization coincide with the conditions of axial achromatization; this divergent lens being associated with a second convergent lens (L3a) in the form of a doublet (L3).
-
Patent Agency Ranking
公开(公告)号：AU2007247033A1
公开(公告)日：2007-11-15
申请号：AU2007247033
申请日：2007-04-27
Applicant: MAUNA KEA TECHNOLOGIES
Inventor： DOUSSOUX FRANCOIS , VIELLEROBE BERTRAND , BOULAROT NICOLAS , MATHIEU GILLES , LAVILLONNIERE NICOLAS , GENET MAGALIE
Abstract: A miniaturized optical head provided to equip the distal end of a beam of flexible optical fibers scanned by a laser beam, is designed to come in contact with a sample and to excite the sample confocally. This optical head includes elements for correcting spherical aberrations and focusing members. The focusing members include: at least a first lens (L4) of high convergence associated with a spherical or hemispherical lens (L5) arranged at the distal end of the optical head, and elements for correcting the axial and lateral chromatic aberration provided with a single divergent lens (3b) whose curvature is substantially centered on the pupil of the optical fiber beam and arranged at the exact distance for this pupil for which the conditions of lateral achromatization coincide with the conditions of axial achromatization; this divergent lens being associated with a second convergent lens (L3a) in the form of a doublet (L3).
-
公开(公告)号：DE60209942T2
公开(公告)日：2006-11-30
申请号：DE60209942
申请日：2002-12-20
Applicant: MAUNA KEA TECHNOLOGIES
Inventor： BERIER FREDERIC , BOURRIAUX STEPHANE , GENET MAGALIE , VIELLEROBE BERTRAND , LOISEAU ALEXANDRE , ABRAT BENJAMIN
Abstract: An optical head for equipping the distal end of a flexible optical fiber bundle, designed to be urged into contact with an analyzing surface and including optical elements for focusing an excitation signal into a so-called excitation focal point located at a specific depth beneath the analyzing surface and for sampling a signal backscattered by the excitation focal point which is carried back by the fiber bundle. The head includes an optics-holder tube wherein are inserted on one side the distal end portion of the fiber bundle and on the other optical elements, the latter including a plate placed in contact with the end of the fiber bundle whereof the index is close to that of the fiber core and a focusing optical block, an output window being further provided adapted to provide index adaptation so as to eliminate parasitic reflection occurring on the analyzing surface.
-
公开(公告)号：DK1468322T3
公开(公告)日：2005-12-05
申请号：DK02805803
申请日：2002-12-20
Applicant: MAUNA KEA TECHNOLOGIES
Inventor： PERCHANT AYMERIC , BERIER FREDERIC , LACOMBE FRANCOIS , BOURRIAUX STEPHANE , VIELLEROBE BERTRAND , GENET MAGALIE , LE GOUALHER GEORGES , MARTI SANDRA
Abstract: Equipment includes an image guide ( 1 ) consisting of flexible optical fibers with: on the proximal end side: a source ( 2 ), angular scanning elements ( 3 ), injection elements ( 4 ) in one of the fibers, elements for splitting ( 5 ) the illuminating beam and the backscattered signal, elements for spatial filtering ( 6 ), elements for detecting ( 7 ) the signal, electronic elements ( 8 ) for controlling, analyzing and digital processing of the detected signal and display; and on the distal end side: an optical head ( 9 ) for focusing the illuminating beam exiting from the illuminated fiber. The scanning elements include a resonant line mirror (M 1 ) and a galvanometric field mirror (M 2 ) with a variable frequency and two afocal optical systems adapted to conjugate the two mirrors (M 1 , M 2 ) firstly in the field mirror (M 2 ) and the injection elements ( 4 ) in the image guide in a second step.
-
公开(公告)号：FR2849218B1
公开(公告)日：2005-03-04
申请号：FR0216279
申请日：2002-12-20
Applicant: MAUNA KEA TECHNOLOGIES
Inventor： BERIER FREDERIC , VIELLEROBE BERTRAND , GENET MAGALIE , LACOMBE FRANCOIS , SANTOS PEDRO
Abstract: The confocal optical miniature head has optical convergers (12,13) to an excitation point (S) on a subsurface. There is a sweep system around the observation point. There is a mechanical microsystem (14a,14b) moving one of the lenses following an offset (DC) in two planes to obtain the sweep.
-
公开(公告)号：FR2834348B1
公开(公告)日：2004-02-27
申请号：FR0116979
申请日：2001-12-28
Applicant: MAUNA KEA TECHNOLOGIES
Inventor： BERIER FREDERIC , BOURRIAUX STEPHANE , GENET MAGALIE , VIELLEROBE BERTRAND , LOISEAU ALEXANDRE , ABRAT BENJAMIN
Abstract: An optical head for equipping the distal end of a flexible optical fiber bundle, designed to be urged into contact with an analyzing surface and including optical elements for focusing an excitation signal into a so-called excitation focal point located at a specific depth beneath the analyzing surface and for sampling a signal backscattered by the excitation focal point which is carried back by the fiber bundle. The head includes an optics-holder tube wherein are inserted on one side the distal end portion of the fiber bundle and on the other optical elements, the latter including a plate placed in contact with the end of the fiber bundle whereof the index is close to that of the fiber core and a focusing optical block, an output window being further provided adapted to provide index adaptation so as to eliminate parasitic reflection occurring on the analyzing surface.
-
-
-
-
-
-
-
-
-
Search Results
51
records
(took 0.023 seconds)
