Patent classifications
G02B7/182
MOUNT FOR AN OPTICAL STRUCTURE HAVING A GROOVED PROTRUDING MEMBER AND METHOD OF MOUNTING AN OPTICAL STRUCTURE USING SUCH MOUNT
An improved mount for, and method of mounting, an optical structure having a grooved/relieved protruding member is provided. The mount may have the grooved/relieved protruding member extending from a surface of the optical structure, a base element for mounting the mount to another structure and an upper element extending from the base element having a first opening extending therethrough for receipt therein of at least a portion of the grooved/relieved member. The first opening defines first and second arms, each of the arms comprising a head portion and each of the head portions ending at an end. A second opening in the upper element extends through one of the head portions and the end thereof in a direction toward the other head portion, while a third opening exists in the upper element through the end of the other head portion in an orientation substantially opposite to and in communication with the second opening so that a tightening mechanism may be received through the second opening and the third opening. Tightening of the tightening mechanism into the third opening causes the ends of the head portions to draw toward each other so that the first opening of the upper element tightens around the at least a portion of the grooved/relieved protruding member.
MOUNT FOR AN OPTICAL STRUCTURE HAVING A GROOVED PROTRUDING MEMBER AND METHOD OF MOUNTING AN OPTICAL STRUCTURE USING SUCH MOUNT
An improved mount for, and method of mounting, an optical structure having a grooved/relieved protruding member is provided. The mount may have the grooved/relieved protruding member extending from a surface of the optical structure, a base element for mounting the mount to another structure and an upper element extending from the base element having a first opening extending therethrough for receipt therein of at least a portion of the grooved/relieved member. The first opening defines first and second arms, each of the arms comprising a head portion and each of the head portions ending at an end. A second opening in the upper element extends through one of the head portions and the end thereof in a direction toward the other head portion, while a third opening exists in the upper element through the end of the other head portion in an orientation substantially opposite to and in communication with the second opening so that a tightening mechanism may be received through the second opening and the third opening. Tightening of the tightening mechanism into the third opening causes the ends of the head portions to draw toward each other so that the first opening of the upper element tightens around the at least a portion of the grooved/relieved protruding member.
OPTICAL DEVICE FOR ENHANCING RESOLUTION OF AN IMAGE
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 (ΔP) 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).
METHOD OF LASER PROCESSING OF A METALLIC MATERIAL WITH OPTICAL AXIS POSITION CONTROL OF THE LASER RELATIVE TO AN ASSIST GAS FLOW, AND A MACHINE AND COMPUTER PROGRAM FOR THE IMPLEMENTATION OF SAID METHOD
A method of laser processing of a metallic material is described, by means of a focused laser beam having a predetermined transverse power distribution on at least one working plane of the metallic material, comprising the steps of: providing a laser beam emitting source; leading the laser beam along a beam transport optical path to a working head arranged in proximity to the material; collimating the laser beam along an optical axis of propagation incident on the material; focusing the collimated laser beam in an area of a working plane of the material; and conducting the focused laser beam along a working path on the metallic material comprising a succession of working areas, wherein the laser beam is shaped: by reflecting the collimated beam by means of a deformable, controlled surface reflecting element having a plurality of independently movable reflection areas, and by controlling the arrangement of the reflection areas to establish a predetermined transverse power distribution of the beam on at least one working plane of the metallic material as a function of the area of the current working plane and/or of the current direction of the working path on the metallic material.
MIRROR UNIT AND OPTICAL MODULE
A mirror unit 2 includes a mirror device 20 including a base 21 and a movable mirror 22, an optical function member 13, and a fixed mirror 16 that is disposed on a side opposite to the mirror device 20 with respect to the optical function member 13. The mirror device 20 is provided with a light passage portion 24 that constitutes a first portion of an optical path between the beam splitter unit 3 and the fixed mirror 16. The optical function member 13 is provided with a light transmitting portion 14 that constitutes a second portion of the optical path between the beam splitter unit 3 and the fixed mirror 16. A second surface 21b of the base 21 and a third surface 13a of the optical function member 13 are joined to each other.
MIRROR UNIT AND OPTICAL MODULE
A mirror unit 2 includes a mirror device 20 including a base 21 and a movable mirror 22, an optical function member 13, and a fixed mirror 16 that is disposed on a side opposite to the mirror device 20 with respect to the optical function member 13. The mirror device 20 is provided with a light passage portion 24 that constitutes a first portion of an optical path between the beam splitter unit 3 and the fixed mirror 16. The optical function member 13 is provided with a light transmitting portion 14 that constitutes a second portion of the optical path between the beam splitter unit 3 and the fixed mirror 16. A second surface 21b of the base 21 and a third surface 13a of the optical function member 13 are joined to each other.
Mirror tilt actuator
In some embodiments, a depth map acquisition system, includes a housing, a light source for emitting light to illuminate objects in a scene subject to depth mapping, fixedly mounted to the housing, a mirror tilt actuator, fixedly mounted to the housing, for tilting a mirror fixedly mounted to the mirror tilt actuator, a mirror fixedly mounted to the mirror tilt actuator, for reflecting light from the light source to the objects, and a partially transparent photosensitive detector in the direct path of the light from the mirror to the objects.
Lidar system with polygon mirror
A lidar system includes one or more light sources configured to generate a first beam of light and a second beam of light, a scanner configured to scan the first and second beams of light across a field of regard of the lidar system, and a receiver configured to detect the first beam of light and the second beam of light scattered by one or more remote targets. The scanner includes a rotatable polygon mirror that includes multiple reflective surfaces angularly offset from one another along a periphery of the polygon mirror, the reflective surfaces configured to reflect the first and second beams of light to produce a series of scan lines as the polygon mirror rotates. The scanner also includes a pivotable scan mirror configured to (i) reflect the first and second beams of light and (ii) pivot to distribute the scan lines across the field of regard.
OPTICAL SCANNER AND IMAGE FORMING APPARATUS INCLUDING THE SAME
An optical scanner is provided with a light source, a deflector, an optical element, an imaging lens, a fixing structure, and a housing. The optical element has a reflecting surface. The fixing structure has a first support wall, a second support wall and a biasing member. The first support wall has a support projection with a tip part protruding along a thickness direction toward a rear surface and abutting on the rear surface, and an inclined surface extending from a tip part to a side opposite to the second support wall. A first angle between a first straight line extending in the perpendicular direction orthogonal to a bottom surface of the housing and a surface of the optical element is smaller than a second angle between the first straight line and the inclined surface. The second angle is less than 90 degrees.
OPTICAL SCANNER AND IMAGE FORMING APPARATUS INCLUDING THE SAME
An optical scanner is provided with a light source, a deflector, an optical element, an imaging lens, a fixing structure, and a housing. The optical element has a reflecting surface. The fixing structure has a first support wall, a second support wall and a biasing member. The first support wall has a support projection with a tip part protruding along a thickness direction toward a rear surface and abutting on the rear surface, and an inclined surface extending from a tip part to a side opposite to the second support wall. A first angle between a first straight line extending in the perpendicular direction orthogonal to a bottom surface of the housing and a surface of the optical element is smaller than a second angle between the first straight line and the inclined surface. The second angle is less than 90 degrees.