G02B27/0911

COMPACT OPTICAL MODULE
20220137400 · 2022-05-05 · ·

An optical package includes a beam combiner that combines laser light from a laser unit into a single laser beam, a movable mirror apparatus, and a fixed folding mirror which reflects the single laser beam toward the movable mirror apparatus. Beam equalizer optics cause increase of a slow axis divergence rate of the single laser beam such that its slow axis divergence rate is equal to its fast axis divergence rate. The movable mirror apparatus directs the single laser beam through an exit window. The beam equalizer optics include at least one negative spherical lens shaped such that a slow axis divergence rate of incident light is increased but a fast axis divergence rate of incident light is unaltered.

COMPACT BEAM SHAPING AND STEERING ASSEMBLY

Apparatus and methods for coupling an optical beam from an optical source to a hi-tech system are described. A compact, low-cost beam-shaping and steering assembly may be located between the optical source and hi-tech system and provide automated adjustments to beam parameters such as beam position, beam rotation, and beam incident angles. The beam-shaping and steering assembly may be used to couple an elongated beam to a plurality of optical waveguides.

Optical device for laser treatment of the internal surfaces of a covering part

An optical device that is intended for laser treatment of internal surfaces of a covering part of the leading-edge type, including a collimator that is intended to be connected to a laser source via an optical fibre to produce a laser beam having a collimated and flat spatial pulse profile, a cylindrical lens that is configured to focus the laser beam along a spatial line that is transverse to the propagation of the laser beam thus forming a line-laser-beam, a reflecting optical component that is configured to be able to be introduced into the interior of the covering part and to uniformly reflect the line-laser-beam onto at least one internal surface of the covering part and in directions of incidence that are almost normal to at least one internal surface.

Optical system for vehicle and vehicle lamp using the same
11313528 · 2022-04-26 · ·

An optical system including a plurality of lenses is provided. In particular, a horizontal field of view and a vertical field of view of the optical system are different from each other, and a horizontal effective focal length (EFL) and a vertical EFL of the optical system are different from each other. In addition, a retro-focus type optical system is formed in one of a horizontal direction or a vertical direction, and a telephoto type optical system is formed in the other of the horizontal direction or the vertical direction such that a beam pattern from a square-shaped light source is extended laterally.

Light generating device with a beam shaping optical element

A light generating system (1000) comprising a plurality of light sources (10) configured to provide light source light (11), an elongated luminescent body (100) having a first face (141) and a second face (142) defining a length (L) of the elongated luminescent body (100), the elongated luminescent body comprising one or more side faces (140), the elongated luminescent body (100) comprising a radiation input face (111) and the second face (142) comprising a first radiation exit window (112), wherein the radiation input face (111) is configured in a light receiving relationship with the plurality of light sources (10), wherein the elongated luminescent body (100) comprises luminescent material (120) configured to convert at least part of the light source light (11) into luminescent material light (8), and a beam shaping optical element (224).

LIGHT-EMITTING DEVICE AND METHOD FOR EMITTING LIGHT

A light-emitting device, having a laser light device that is designed to emit a multiplicity of laser light beams. Ellipticities of beam cross-sections of the laser light beams differ at least partly from one another. The light-emitting device includes a beamforming device that is introduced into the beam path of at least one of the laser light beams and that is designed to adapt the ellipticities of the beam cross-sections of the laser light beams to one another, and a beam-combining device that is designed to combine the laser light beams to form an overall light beam, after the adapting of the ellipticities of the beam cross-sections by the beamforming device.

Beam forming with focus location adjustment
11169386 · 2021-11-09 · ·

An apparatus includes a beam source, beam forming optics, a first focusing lens having a focal length, a second focusing lens having a focal length similar to the focal length of the first lens, and a lens translator configured to move the second lens transversely relative to the beam forming optics and to the first lens, and thereby move the elongated focus transversely. In some embodiments, the beam forming optics are positioned between the beam source and the first focusing lens, the first focusing lens is positioned between the beam forming optics and the second focusing lens, and the beam forming optics, the first focusing lens, and the second focusing lens are arranged to receive a beam of laser radiation from the beam source and to form the beam into an elongated focus.

Diffuser having asymmetric light output pattern and method of manufacturing same

The present invention relates to a diffuser and a method of manufacturing the same, and more particularly, to a diffuser and a method of manufacturing the same, in which light emitted through the diffuser forms an asymmetric light output pattern. A diffuser according to an exemplary embodiment is a diffuser that forms an asymmetric light output pattern by diffusing laser beams received from a laser source, the diffuser including: a base; and a micro lens array disposed on the base, in which the micro lens array has a plurality of micro lenses each comprising a lower surface and a curved surface disposed on the lower surface, and the lower surface has horizontal and vertical lengths different from each other.

Systems and methods for processing transparent materials using adjustable laser beam focal lines

A system for and a method of processing a transparent material, such as glass, using an adjustable laser beam line focus are disclosed. The system for processing a transparent material includes a laser source operable to emit a pulsed laser beam, and an optical assembly (6′) disposed within an optical path of the pulsed laser beam. The optical assembly (6′) is configured to transform the pulsed laser beam into a laser beam focal line having an adjustable length and an adjustable diameter. At least a portion of the laser beam focal line is operable to be positioned within a bulk of the transparent material such that the laser beam focal line produces a material modification along the laser beam focal line. Method of laser processing a transparent material by adjusting at least one of the length of the laser beam focal line and the diameter of the laser beam focal line is also disclosed.

Apparatus and methodology for reshaping a laser beam
11815697 · 2023-11-14 · ·

A laser system may include a laser resonator configured to emit an input laser beam having an elliptical cross-sectional shape. The laser system also may include first reflective device configured to reflect the input laser beam to produce a first reflected laser beam. The first reflective device may include a spherical surface for reflecting the input laser beam. The laser system also may include a second reflective device configured to reflect the first reflected laser beam to produce a second reflected laser beam. The laser system also may include a coupling device configured to focus the second reflected laser beam to produce an output laser beam. The coupling device may include a spherical surface for receiving the second reflected laser beam. The laser system also may include an optic fiber configured to transmit the output laser beam for emission of the output laser beam onto a target area.