Abstract: The invention relates to an optical device (1) (e.g. for enhancing the resolution of an image), comprising: a transparent plate member (55) configured for refracting a light beam (L) passing through the plate member (55), which light beam (L) projects an image comprised of rows and columns of pixels (40), and a carrier (30) to which said transparent plate member (55) is rigidly mounted, wherein the carrier (30) is configured to be moved between a first and a second state, whereby said projected image (30) is shifted by a fraction (?P) of a pixel, particularly by a half of a pixel, along a first direction (x). According to the invention, the carrier (30) is configured to be multistable (e.g. bistable or tristable), wherein said first and said second state are stable states of the multistable (e.g.

Abstract: The invention relates to a variable focus lens comprising an elastically deformable optical element (7) and a circumferential mechanism (10, 1, 5, 2, 3, 8, 21) to transfer a rotational movement to an axial movement, wherein by using a ball bearing system (9, 11, 12, 13, 15, 16, 17) the mechanism is optimized in a manner to reduce mechanical friction, friction variation and to improve force-direction dependent positioning insensitivity.

Abstract: The invention relates to an optical device for reducing speckle noise of laser light having a first optical element extending along an extension plane, and an actuator designed for moving the first optical element along the extension plane. The actuator is formed as a reluctance actuator that is designed to exert a reluctance force on the first optical element to move the first optical element along the extension plane.

Abstract: The present invention relates to Optical device (1), comprising: a transparent and elastically expandable membrane (10), an optical element (20) facing the membrane (10), a wall member (300), wherein the optical element (20) and the membrane (10) are connected to the wall member (300) such that a container (2) with a volume (V) is formed, a fluid (F) residing in said volume (V), and a lens shaping part (11) that is in contact with the 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) that surrounds an opening (50c) in which at least one rigid lens (51) is arranged that is held by the lens barrel (50), and an actuator means (40) that is designed to move the optical element (20) in an axial direction (A) with respect to the lens shaping part (11), which axial direction (A) is oriented perpendicular to a plane along which the lens shaping part (11) extends, or to move the lens shaping part (1

Abstract: The invention relates to an optical system (1) comprising: a first focus tunable lens (10), a curved image sensor (30) configured to receive light (L) focused by the first focus tunable lens (10); an optical path (P) extending through the first focus tunable lens and to the curved image sensor; wherein the optical system (1) is configured to tune the focal length of the first focus tunable lens (10) by applying an electrical signal to the first focus tunable lens (10) such that light (L) traversing said optical path (P) is focused onto the image sensor (30).

Abstract: The invention relates to a device (1, 2) for pivoting an optical element (10), comprising: an optical element (10), wherein the optical element is movably mounted so that the optical element can be tilted at least about a first axis (A), a magnet (20) extending in an extension direction (Z), wherein the magnet (20) comprises a magnetization (M) aligned with said extension direction (Z), and wherein the magnet (20) comprises a front side (20a), and wherein optical element (10) is rigidly coupled to the magnet (20) or to a first conductor section (30) that faces the front side (20a) of the magnet (20) in the extension direction (Z), wherein the first conductor section (30) extends along the first axis (A), and a current source means (50) electrically connected to the first conductor section (30), which current source means (50) is designed to apply an electrical current (I) to said first conductor section (30), so that a Lorentz force is generated that tilts the optical element (10) about said first axis (A) al

Abstract: The invention relates to a lens (1) for vision correction, wherein the lens (1) is particularly configured to be placed directly on the surface of an eye (2) of a person, wherein the lens (1) further comprises: a transparent base element (10) having a back side (12), and a front side (11) facing away from the back side (12), a transparent and elastically expandable membrane (20) connected to said base element (10), wherein said membrane (20) comprises a back side (22) that faces said front side (11) of the base element (10), a ring member (30) connected to said back side (22) of the membrane (20) so that the ring member (30) defines a curvature-adjustable area (23) of the membrane (20), and wherein the lens (1) comprises a lens volume (41) adjacent said curvature-adjustable area (23) of the membrane (20), which lens volume (41) is delimited by the ring member (30), and wherein the lens (1) comprises a reservoir volume (42) arranged in a boundary region (24) of the lens (1), wherein said two volumes (41, 42) a

Abstract: The invention relates to a lens (1) for vision correction, wherein the lens (1) is configured to be placed directly on the surface of an eye (2) of a person or to be implanted into an eye (2) of a person, and wherein the lens (1) further comprises: a transparent base element (10) having a back side (12) and a front side (11) facing away from the back side (12), a transparent and elastically expandable membrane (20) connected to said base element (10), wherein said membrane (20) comprises a back side (22) that faces said front side (11) of the base element (10), a ring member (30) connected to said back side (22) of the membrane (20) so that the ring member (30) defines a curvature-adjustable area (23) of the membrane (20), and wherein the lens (1) comprises a lens volume (41) adjacent said curvature-adjustable area (23) of the membrane (20), which lens volume (41) is delimited by the ring member (30), and wherein the lens (1) comprises a reservoir volume (42) adjacent a boundary area (24) of said membrane (20

Abstract: The present invention relates to a lens device (1), comprising: a transparent and elastically expandable membrane (10), an optical element (20) opposing the membrane (10), a wall member (300), wherein the optical element (10) and the membrane (10) are connected to the wall member (300) such that a volume (V) is formed, a fluid (F) residing in said volume (V), and a lens shaping member (11) attached to the membrane (10).

Abstract: The invention relates to a variable focus lens comprising an elastically deformable optical element (7) and a circumferential mechanism (10, 1, 5, 2, 3, 8, 21) to transfer a rotational movement to an axial movement, wherein by using a ball bearing system (9, 11, 12, 13, 15, 16, 17) the mechanism is optimized in a manner to reduce mechanical friction, friction variation and to improve force-direction dependent positioning insensitivity.

Abstract: The invention relates to an optical device (1) for enhancing the resolution of an image, comprising: a transparent plate member (10) configured for refracting a light beam (20) passing through the plate member (10), which light beam (20) projects an image comprised of rows and columns of pixels (40), a carrier (50) to which said transparent plate member (10) is rigidly mounted, wherein the carrier (50) is configured to be tilted between a first and a second position about a first axis (A), such that the plate member (10) is tilted between the first and the second position about the first axis (A), whereby said projected image (30) is shifted by a fraction (?P) of a pixel, particularly by a half of a pixel, along a first direction (x), and an actuator means (60) that is configured to tilt the carrier (50) and therewith the plate member (10) between the first and the second position about the first axis (A).

Abstract: The present invention relates to a lens device (1), comprising: a transparent and elastically expandable membrane (10), an optical element (20) opposing the membrane (10), a wall member (300), wherein the optical element (10) and the membrane (10) are connected to the wall member (300) such that a volume (V) is formed, a fluid (F) residing in said volume (V), and a lens shaping member (11) attached to the membrane (10).

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

Abstract: An optical apparatus includes a housing, a deformable lens, and a lens shaper. The lens shaper defines the shape of the deformable lens. A first mechanism is positioned within the housing to adjust an optical property of the deformable lens. A second mechanism is positioned within the housing to adjust an optical property of the deformable lens. The second mechanism is at least one of an electromechanical actuator or motor. The first mechanism and the second mechanism are different types of mechanisms.

Abstract: The invention relates to an optical device for reducing speckle noise of laser light having a first optical element extending along an extension plane, and an actuator designed for moving the first optical element along the extension plane. The actuator is formed as a reluctance actuator that is designed to exert a reluctance force on the first optical element to move the first optical element along the extension plane.

Abstract: The present invention relates to a lens device (1), comprising: a transparent and elastically expandable membrane (10), an optical element (20) opposing the membrane (10), a wall member (300), wherein the optical element (10) and the membrane (10) are connected to the wall member (300) such that a volume (V) is formed, a fluid (F) residing in said volume (V), and a lens shaping member (11) attached to the membrane (10).

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: An optical system includes a first deformable lens having a membrane with a deformable portion. 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. A first volume of a first optical media and a second volume of a second optical media are defined at least in part by the deformable portion of the membrane. The first volume and the second volume are completely enclosed by the housing. The first volume and the second volume remain substantially constant for all configurations of the first deformable lens.

Abstract: An optical projection system comprising an image generating laser projector, a diffusive structure and an observer is described. The system is designed such that the light of each image pixel maintains a non-disturbed wavefront through-out the optical system preventing the creation of speckles on the image sensor of the observer.