Abstract: The invention relates to a tiltable mirror (1) for optical image stabilization in an optical imaging system (100), the tiltable mirror (1) comprising—a rigid mirror substrate (1S) with a planar reflective layer (1R) on a front side of the mirror substrate (1S) for reflecting incident light (500) in an optical imaging system (100), —a mirror frame (1F), wherein the mirror substrate (1S) is arranged tiltably in the mirror frame (1F), —an actuator (2) for tilting the mirror substrate (1S) around a primary (x) and a secondary (y) tilt axis with respect to the mirror frame (1F). The invention further relates to an optical imaging system comprising a tiltable mirror (1) according to the invention.

Abstract: The invention relates Tunable prism (1) for optical image stabilization, comprising the components: A container (2) that comprises a membrane (6) comprising at least a transparent portion, the container (2) further comprising a transparent rigid bottom portion (5) facing the membrane (6), wherein the membrane (6) is connected to the bottom portion (5), and wherein the container (2) encloses a volume (7) that is filled with a transparent fluid (3); A transparent window (8) arranged on the membrane (6), wherein the membrane (6) comprises a deformable portion (6a) extending around an outer edge (8a) of the window (8), such that the window (8) can be tilted around a first and/or a second axis (201, 202) with respect to the bottom portion (5). The invention further relates to an imaging system (50) comprising the tunable prism (1).

Abstract: The invention relates to an optical device (1), comprising: at least a first lens (100) having an adjustable focal length, wherein the first lens (100) comprises a container (2) comprising at least one reservoir volume (90) and a lens volume (91) which are in flow communication via a channel (92) and filled with a transparent fluid (F), and wherein the container (2) comprises a stretchable transparent membrane (21) and a transparent lens shaper (22) that is immersed in the fluid (F) and connected to the membrane (21), so that the lens shaper (22) defines a curvature-adjustable area (23) of the membrane (21), and wherein the container (2) comprises a transparent back wall (30) facing the membrane (21), wherein the fluid (F) is arranged between the membrane (20) and the back wall (30). According to the present invention, the at least one reservoir volume (90) is covered by a wall (21), wherein a plunger (94) for interacting with an actuator part (e.g.

Abstract: The present invention relates to an optical device (1), comprising: a container (2) forming a fluidic lens, the container (2) comprising a transparent and elastically expandable membrane (10), a transparent optical element (20) facing the membrane (10), and a wall member (3), wherein the optical element (20) and the membrane (10) are connected to the wall member, and wherein said container encloses a volume (V) that is filled with a fluid (F), a lens shaping part (11) that is in contact with said membrane (10) for defining a curvature adjustable area (10c) of the membrane (10), which area (10c) faces said optical element (20), and a circumferential lens barrel (50) extending in an axial direction, which lens barrel (50) surrounds an opening (50c) in which at least one rigid lens (51) is arranged that is held by the lens barrel (50), and a voice coil motor (5) that is designed to move the lens shaping part (11) along an axial direction (z) with respect to said container (2), so as to adjust a curvature of said

Abstract: The present invention relates to an optical device (1), comprising: a container (2) forming a fluidic lens, the container (2) comprising a transparent and elastically expandable membrane (10), a transparent optical element (20) facing the membrane (10), and a wall member (3), wherein the optical element (20) and the membrane (10) are connected to the wall member, and wherein said container encloses a volume (V) that is filled with a fluid (F), a lens shaping part (11) that is in contact with said membrane (10) for defining a curvature adjustable area (10c) of the membrane (10), which area (10c) faces said optical element (20), and a circumferential lens barrel (50) extending in an axial direction, which lens barrel (50) surrounds an opening (50c) in which at least one rigid lens (51) is arranged that is held by the lens barrel (50), and a voice coil motor (5) that is designed to move the lens shaping part (11) along an axial direction (z) with respect to said container (2), so as to adjust a curvature of said

Abstract: An optical device for machine vision, particularly for automatically extracting information from images of an object, comprising: a first optical path, which is arranged to image a first object plane, a second optical path, which is arranged to image a second object plane, an image sensor which is arranged to capture the image of the first and/or second object plane, wherein the first object plane extends obliquely with respect to the second object plane, the first optical path and the second optical path extend through a first liquid lens with an optical axis, wherein the optical axis extends vertically.

Abstract: The invention relates to an optical system (1) comprising a solid lens barrel (2) for optical elements (3), wherein the lens barrel (2) extends along an optical axis (100) of the optical system (100), the lens barrel (2) holding a plurality of optical elements (3), the plurality comprising a lens system (5), comprising at least one solid lens (53), and a first lens (6) having an adjustable focal length, wherein the first lens (6) comprises a container (62) filled with a transparent fluid, wherein the container (62) comprises an elastically deformable and transparent membrane (61) facing a transparent bottom portion (67) of the container (62), wherein the lens barrel (2) has a first and a second opening (22, 22?) facing along the optical axis (100), wherein the first and/or the second opening (22, 22?) is configured to receive the lens system (5), wherein the lens barrel (2) has a first slot (24) extending perpendicular to the optical axis (100), wherein the first lens (6) is inserted through the first slot (2

Abstract: The invention relates to a tiltable mirror (1) for optical image stabilization in an optical imaging system (100), the tiltable mirror (1) comprising—a rigid mirror substrate (1S) with a planar reflective layer (1R) on a front side of the mirror substrate (1S) for reflecting incident light (500) in an optical imaging system (100),—a mirror frame (1F), wherein the mirror substrate (1S) is arranged tiltably in the mirror frame (1F),—an actuator (2) for tilting the mirror substrate (1S) around a primary (x) and a secondary (y) tilt axis with respect to the mirror frame (1F). The invention further relates to an optical imaging system comprising a tiltable mirror (1) according to the invention.

Abstract: The invention relates Tunable prism (1) for optical image stabilization, comprising the components: —A container (2) that comprises a membrane (6) comprising at least a transparent portion, the container (2) further comprising a transparent rigid bottom portion (5) facing the membrane (6), wherein the membrane (6) is connected to the bottom portion (5), and wherein the container (2) encloses a volume (7) that is filled with a transparent fluid (3), —A transparent window (8) arranged on the membrane (6), wherein the membrane (6) comprises a deformable portion (6a) extending around an outer edge (8a) of the window (8), such that the window (8) can be tilted around a first and/or a second axis (201, 202) with respect to the bottom portion (5). The invention further relates to an imaging system (50) comprising the tunable prism (1).

Abstract: The present invention relates to an optical zoom device (1), comprising: a first lens (31) having an adjustable focal length and comprising a container (41) filled with a transparent fluid (F), wherein the container (41) of the first lens (31) comprises an elastically deformable and transparent membrane (61) facing a transparent wall (21) of the container (41) of the first lens (31), a second lens (32) having an adjustable focal length, wherein the second lens (32) is arranged after the first lens (31) in an optical path (A) of the optical zoom device (1), wherein the second lens (32) comprises a container (42) filled with a transparent fluid (F), wherein the container (42) of the second lens (32) comprises an elastically deformable and transparent membrane (62) facing a transparent wall (22) of the container (42) of the second lens (32), and a light deflecting device (70) arranged in the optical path (A), wherein the second lens (32) is arranged after the light deflecting device (70) in the optical path (A).

Abstract: The invention relates to an optical device, comprising: a lens having an adjustable focal length. According to the invention, a light source which is configured to emit light that is affected by said lens and impinges on at least a first photosensitive element, which is designed to generate a first output signal corresponding to the intensity of light impinging on it, wherein the first photosensitive element is configured to measure only a portion of the intensity distribution of said emitted light, and wherein the light source, the lens and the first photosensitive element are configured such that a change of the focal length of said lens changes the intensity distribution of the emitted light that impinges on the first photosensitive element, so that each focal length of the lens is associated to a specific first output signal generated by the first photosensitive element.

Abstract: The invention relates to an optical device (1), comprising: at least a first lens (100) having an adjustable focal length, wherein the first lens (100) comprises a container (2) comprising at least one reservoir volume (90) and a lens volume (91) which are in flow communication via a channel (92) and filled with a transparent fluid (F), and wherein the container (2) comprises a stretchable transparent membrane (21) and a transparent lens shaper (22) that is immersed in the fluid (F) and connected to the membrane (21), so that the lens shaper (22) defines a curvature-adjustable area (23) of the membrane (21), and wherein the container (2) comprises a transparent back wall (30) facing the membrane (21), wherein the fluid (F) is arranged between the membrane (20) and the back wall (30). According to the present invention, the at least one reservoir volume (90) is covered by a wall (21), wherein a plunger (94) for interacting with an actuator part (e.g.

Abstract: The invention relates to an optical device, comprising: a lens having an adjustable focal length. According to the invention, a light source which is configured to emit light that is affected by said lens and impinges on at least a first photosensitive element, which is designed to generate a first output signal corresponding to the intensity of light impinging on it, wherein the first photosensitive element is configured to measure only a portion of the intensity distribution of said emitted light, and wherein the light source, the lens and the first photosensitive element are configured such that a change of the focal length of said lens changes the intensity distribution of the emitted light that impinges on the first photosensitive element, so that each focal length of the lens is associated to a specific first output signal generated by the first photosensitive element.

Abstract: The present invention relates to an optical device (1), comprising: a container (2) forming a fluidic lens, the container (2) comprising a transparent and elastically expandable membrane (10), a transparent optical element (20) facing the membrane (10), and a wall member (3), wherein the optical element (20) and the membrane (10) are connected to the wall member, and wherein said container encloses a volume (V) that is filled with a fluid (F), a lens shaping part (11) that is in contact with said membrane (10) for defining a curvature adjustable area (10c) of the membrane (10), which area (10c) faces said optical element (20), and a circumferential lens barrel (50) extending in an axial direction, which lens barrel (50) surrounds an opening (50c) in which at least one rigid lens (51) is arranged that is held by the lens barrel (50), and a voice coil motor (5) that is designed to move the lens shaping part (11) along an axial direction (z) with respect to said container (2), so as to adjust a curvature of said

Abstract: The invention relates to an optical device, comprising: a lens (10) having an adjustable focal length (f).

Abstract: Optical zoom system (1) for imaging an object plane (100) onto an imaging plane (200), e.g. for a smartphone camera, and comprising two liquid lenses (10, 20) followed by a fixed correction lens (30, 50, 60), the liquids having an Abbe number greater than 60.

Abstract: An optical system includes a first deformable lens having a membrane with a deformable portion and having a filler material. The optical system also includes a corrective fixed lens. A sensor is configured to receive the light focused by the first deformable lens. An optical path extends through the first deformable lens and to the sensor. The first deformable lens is tuned according to an applied electrical signal in order to directly focus light traversing the optical path onto the sensor. The corrective fixed lens is integral with the first deformable lens and the corrective fixed lens is in direct contact with the filler material of the deformable lens where the light passes through, and is configured to correct monochromatic or polychromatic aberrations.

Abstract: The illumination source has a LED light source (2) generating a first divergent light field (6). The light from the LED light source (2) is processed by a first optical element (10), in particular a first lens element, to generate a second divergent light field (19). The first divergent light field (19) is processed by a second optical element (20) having a variable lens variable focus in order to generate a third light field (35) whose divergence can be varied.

Abstract: A deformable optical lens with a lens membrane having an optically active portion that is configured to be shaped over an air-membrane interface according to a spherical cap and Zernike polynomials is provided. The spherical cap and the Zernike polynomials comprise a Zernike[4,0], (Noll[11]) polynomial and are sufficient to model the deformable optical lens to within approximately 2 micrometers.

Abstract: A control program for controlling a source of electromagnetic radiation, with which a cross-linking in eye tissue of a patient is implemented by means of a photosensitiser introduced into the tissue in order to bring about a change in the eye tissue with reference to its form and/or one of its mechanical properties, the control program having been produced with the following steps: a) measurement data with reference to the patient and the eye are acquired, b) with the measurement data and treatment parameters, which involve a predetermined auxiliary control program for controlling the source of electromagnetic radiation, an outcome with reference to the change in the eye tissue obtained with these treatment parameters is simulated in a computer, c) the change simulated in this way is compared with a change in the eye tissue to be achieved, d) when step c) yields a sufficient agreement between the simulated change and the change in the eye tissue to be achieved, the auxiliary control program applied in step