This application provides an optical switching apparatus. Input ports are configured to input a first beam into a dispersion assembly at a first angle of incidence in a first direction, the input ports are further configured to input a second beam into the dispersion assembly at a second angle of incidence in the first direction, and a difference between absolute values of the first angle of incidence and the second angle of incidence is not zero. The difference between the absolute values of the first angle of incidence and the second angle of incidence enables a first region in which spots of the first beam are arranged and a second region in which spots of the second beam are arranged to be separated from each other in the first direction, and enables the first region and the second region to at least partially overlap in a second direction.

Optical bridges including a bridge body configured to be mounted directly or indirectly onto a head-worn device and at least one rail operatively engaged with the bridge body, in which the at least one rail having a first end and a second end. The optical bridges also include a first stopblock located at or proximate to the first end and a second stopblock located at or proximate to the second end. The at least one rail has a first side portion located between the first stopblock and the bridge body and a second side portion located between the second stopblock and the bridge body. Systems including an optical bridge and one or more optical devices directly or indirectly releasably coupled to the optical bridge are also provided.

A photo-detecting apparatus includes an optical-to-electric converter, having a first output terminal, configured to convert an incident light to an electrical signal; a cascode transistor, having a control terminal, a first channel terminal and a second channel terminal, wherein the second channel terminal of the cascode transistor is coupled to the first output terminal of the optical-to-electric converter; and a reset transistor, having a control terminal, a first channel terminal and a second channel terminal, wherein the first channel terminal of the reset transistor is coupled to a supply voltage and the second channel terminal of the reset transistor is coupled to the first channel terminal of the cascode transistor.

A photo-detecting apparatus includes an optical-to-electric converter, having a first output terminal, configured to convert an incident light to an electrical signal; a cascode transistor, having a control terminal, a first channel terminal and a second channel terminal, wherein the second channel terminal of the cascode transistor is coupled to the first output terminal of the optical-to-electric converter; and a reset transistor, having a control terminal, a first channel terminal and a second channel terminal, wherein the first channel terminal of the reset transistor is coupled to a supply voltage and the second channel terminal of the reset transistor is coupled to the first channel terminal of the cascode transistor.

An optical beam steering device is disclosed which includes an optical component for interacting with an optical beam, a gimbal supporting the optical component, a roll cage supporting the gimbal, and a mount that houses and rotatably supports the roll cage. The roll cage and the mount include adjustment features allowing for both linear and angular adjustments of the gimbal and the roll cage.

An optical switch includes an array of optical fibers to conduct optical signals. A biconvex lens has a front convex surface facing the fibers' tips and has a back convex surface facing a microelectromechanical (MEMS) mirror. The MEMS mirror can be selectively oriented to reflect the optical signals incident to the MEMS mirror so the optical signal input from one fiber can be selectively routed to another of the fibers.

An optical switching apparatus is provided. The apparatus includes one or more input ports, a dispersion assembly, a first lens assembly, a redirection assembly, and one or more output ports. The input ports are configured to input a first beam into a dispersion assembly at a first angle of incidence in a first direction, and to input a second beam into the dispersion assembly at a second angle of incidence in the first direction. A difference between absolute values of the first angle of incidence and the second angle of incidence is not zero, and enables a first region in which spots of the first beam are arranged and a second region in which spots of the second beam are arranged to be separated from each other in the first direction, and enables the first region and the second region to at least partially overlap in a second direction.

An object of the present disclosure is to provide an optical switch that does not require power supply.

The present disclosure is an optical switch including: an optical drive unit including an optical expansion body that expands by irradiation with light and contracts by blocking of light, a knock rod that converts the expansion and contraction of the optical expansion body into linear motion that reciprocates by a certain distance, and a rotary moving body that includes a rotor, and converts the linear motion into rotary motion that rotates by a certain angle about an axis of the rotor in accordance with the linear motion that reciprocates by a certain distance by the knock rod; and an optical switching unit including a first optical connection body to which one switching target optical fiber is fixed, a second optical connection body to which each optical fiber of a switching target optical fiber group is fixed, and a connection rotation body that is fixed to the rotor of the rotary moving body, rotates about the axis of the rotor, and switches and connects the one switching target optical fiber fixed to the first optical connection body in contact with one end surface and one optical fiber in the switching target optical fiber group fixed to the second optical connection body in contact with the other end surface.

Optical bridges including a bridge body configured to be mounted directly or indirectly onto a head-worn device and at least one rail operatively engaged with the bridge body, in which the at least one rail having a first end and a second end. The optical bridges also include a first stopblock located at or proximate to the first end and a second stopblock located at or proximate to the second end. The at least one rail has a first side portion located between the first stopblock and the bridge body and a second side portion located between the second stopblock and the bridge body. Systems including an optical bridge and one or more optical devices directly or indirectly releasably coupled to the optical bridge are also provided.

The beam distributor includes a housing, at least one beam entrance, two or more beam exits, a motor, and a beam turning part fixed to a rotary axis member of the motor and changing a direction of a beam input to the inside of the housing through the beam entrance so as to guide the input beam to the beam exit. A rotary axis of the motor is arranged parallel to an optical axis of the beam so as to input the beam to the beam turning part at a constant angle independently of a rotational angle about the rotary axis of the motor. The beam exit is arranged in a direction to which the direction of the beam is changed by the beam turning part in response to rotation of the rotary axis member. A storage stores an angular information recorded in advance about the rotary axis.