Periscope assemblies are provided which have a light path that travels in a first plane along the first waveguide, a second plane along the second waveguide that is parallel to the first plane, and along a third plane along the third waveguide that intersects the first plane and the second plane. In some examples the periscope assembly includes first and second carriers comprising respective first and second waveguides and defining respective first and second cavities in which a third carrier comprising a third waveguide is disposed and optionally includes an optical component. In some examples, the cavities are defined in one or more carriers on a mating surface, on a side opposite to the mating surface, or on a side perpendicular to a mating surface.

Periscope assemblies are provided which have a light path that travels in a first plane along the first waveguide, a second plane along the second waveguide that is parallel to the first plane, and along a third plane along the third waveguide that intersects the first plane and the second plane. In some examples the periscope assembly includes first and second carriers comprising respective first and second waveguides and defining respective first and second cavities in which a third carrier comprising a third waveguide is disposed and optionally includes an optical component. In some examples, the cavities are defined in one or more carriers on a mating surface, on a side opposite to the mating surface, or on a side perpendicular to a mating surface.

A laser processing device includes a laser oscillator, an optical fiber that is a multi-clad fiber, a beam control mechanism provided in the laser oscillator, and a laser light emitting head attached to the optical fiber. The beam control mechanism includes a condenser lens, an optical path changing and holding mechanism that is disposed between the condenser lens and an incident end face of the optical fiber and changes an optical path of laser light LB, and a controller that controls an operation of the optical path changing and holding mechanism. The beam control mechanism controls a power distribution of the laser light by changing an incident position of the laser light on the incident end face.

Periscope assemblies are provided which have a light path that travels in a first plane along the first waveguide, a second plane along the second waveguide that is parallel to the first plane, and along a third plane along the third waveguide that intersects the first plane and the second plane. In some examples the periscope assembly includes first and second carriers comprising respective first and second waveguides and defining respective first and second cavities in which a third carrier comprising a third waveguide is disposed and optionally includes an optical component. In some examples, the cavities are defined in one or more carriers on a mating surface, on a side opposite to the mating surface, or on a side perpendicular to a mating surface.

According to one embodiment, in an optical fiber bundle, in the cross section, arrangement of cores of a first multi-core fiber and arrangement of cores of a second multi-core fiber are the same as each other, arrangement of cores of a third multi-core fiber and arrangement of cores of a fourth multi-core fiber are the same as each other, and when the first multi-core fiber is rotated 180? in a circumferential direction of the first multi-core fiber, the arrangement of the cores of the first multi-core fiber is the same as the arrangement of the cores of the fourth multi-core fiber.

The present invention provides a mixed analog and digital chip-scale reconfigurable WDM network. The network suitably includes a router that enables rapidly configurable wavelength selective routers of fiber optic data. The router suitably incorporates photonic wavelength selective optical add/drop filters and multiplexers.

An apparatus may steer an optical beam provided by a collimating optical module to a selected one of receiving optical modules. The apparatus may comprise an optical component to receive the optical beam provided by the collimating optical module; and a motorized rotation stage including a base and a rotating section, wherein the rotating section is restricted to rotation, relative to the base, about a single axis; wherein the optical component is mounted to the rotating section, and the apparatus further includes circuitry to control the motorized rotation stage to rotate the platform or stage amongst different rotational positions that correspond to the receiving optical modules, respectively; and wherein the optical component guides (by reflection, refraction, or the like, or combinations thereof) the optical beam to the selected one of the receiving optical modules based on a current rotational position of the rotating section. Other embodiments may be disclosed/claimed.

According to one embodiment, in an optical fiber bundle, in the cross section, arrangement of cores of a first multi-core fiber and arrangement of cores of a second multi-core fiber are the same as each other, arrangement of cores of a third multi-core fiber and arrangement of cores of a fourth multi-core fiber are the same as each other, and when the first multi-core fiber is rotated 180? in a circumferential direction of the first multi-core fiber, the arrangement of the cores of the first multi-core fiber is the same as the arrangement of the cores of the fourth multi-core fiber.

A vehicle head-up display device may include a plurality of first image generation parts embedded in a vehicle body, and configured to provide flat and stereoscopic images in multiple directions, a first optical induction part configured to guide an image signal, provided by the first image generation parts, in one direction, and a first display part configured to implement the image signal, provided by the first optical induction part, as an image recognizable by a driver, thereby implementing augmented reality of a head-up display.

A combined-wave laser light source comprises a two-dimensional laser light source 1 in which laser light sources are arranged two-dimensionally along a common plane, and a two-dimensional deflection optic element that is arranged corresponding to the two-dimensional laser light source 1 and which has an x-direction steering optic element 3 that deflects each laser optic axis of the two-dimensional laser light source in an x-direction and a y-direction steering optic element 4 that deflects each laser optic axis of the two-dimensional laser light source in a y-direction; and a combining lens 5 that converges the laser lights from the two-dimensional deflection optic elements, 3, 4 to combine said laser lights to an optical fiber.