An optical module includes: an optical component; a light receiving element receiving a laser beam through the optical component; a package housing the optical component and the light receiving unit; and a shielding portion that prevents stray light, which is generated by at least one of the laser beam and the laser beam emitted through the optical component is reflected or scattered in the package or at the optical component, from being incident on the light receiving element.

A package structure and method of forming the same are provided. The package structure includes a first die, a second die, a wall structure and an encapsulant. The second die is electrically bonded to the first die. The wall structure is laterally aside the second die and on the first die. The wall structure is in contact with the first die and a hole is defined within the wall structure for accommodating an optical element insertion. The encapsulant laterally encapsulates the second die and the wall structure.

A solar stack system includes a plurality of solar panels, a light concentrating mechanism, and a plurality of light guides or light diffusers. These materials are arranged such that the light concentrating mechanism feeds concentrated light into the light guide or light diffuser which is in between two or more solar panels depending on the length of the light guide. The light that enters the edge or smaller surface of the light guide will be emitted out of the face or larger surface of the light guide and illuminate the solar panels on either side. This design is modular, and several such arrangements can be stacked on top of each other or as deep as the light will travel along the light guide.

A data acquisition apparatus includes an illumination device, a first beam splitter, a measurement unit, and a photodetector. A measurement optical path and a reference optical path are positioned between the illumination device and the photodetector. In the first beam splitter, light traveling in a first direction and light traveling in a second direction are generated from incident light. The measurement optical path is positioned in the first direction, the reference optical path is positioned in the second direction, and the measurement unit is disposed on the measurement optical path. In the optical surface of the first beam splitter, an incident position of light emitted from the illumination device changes with time, and the angle formed by light propagating through the measurement optical path and the optical axis of the measurement optical path changes with change in the incident position.

The present disclosure provides a cable assembly and a cable indication system. The cable assembly includes a first cable, a second cable, a first connector, a second connector, and a third connector. The first cable includes a jacket defining a first cavity and a second cavity, the first cavity includes a light guide extending through the first cavity, and the second cavity has an open end. The second cable is encased by the first cable in the second cavity, and the second cable extends through the second cavity. The first connector is electrically coupled to a first end of the first cable and includes a first interface for connecting with a first device. The second connector includes a second interface for connecting with the first connector. The third connector includes a third interface for connecting with a second device.

A receiver optical module that receives an optical signal and generating an electrical signal corresponding to the optical signal is disclosed. The module includes a photodiode (PD), a sub-mount, a pre-amplifier, and a stem. The sub-mount, which is made of insulating material, mounts the PD thereon. The pre-amplifier, which receives the photocurrent generated by the PD, mounts the PD through the sub-mount with an adhesive. The pre-amplifier generates an electrical signal corresponding to the photocurrent and has signal pads and other pads. The stem, which mounts the pre-amplifier, provides lead terminals wire-bonded with the signal pads of the pre-amplifier. The signal pads make distances against the sub-mount that are greater than distances from the other pads to the sub-mount.

A package structure and method of forming the same are provided. The package structure includes a first die, a second die, a wall structure and an encapsulant. The second die is electrically bonded to the first die. The wall structure is laterally aside the second die and on the first die. The wall structure is in contact with the first die and a hole is defined within the wall structure for accommodating an optical element insertion. The encapsulant laterally encapsulates the second die and the wall structure.

A construction and configuration for the receiving function of a high speed optical communication system with reduced manufacturing cost and improved performance. In an aspect, mounting the cover and lens provides a self-alignment behaviour that advantageously positions the cover and the lens to be in the optimum position for the photodiode. An assembly of electronic components receives data using an optical fibre. In one aspect, the assembly includes a photodiode, an amplifier coupled to the photodiode, and a printed circuit board on which the photodiode and amplifier are physically mounted, The printed circuit board has areas of a first material to which components may be attached using a fixing agent, and areas of a second material to which components will not attach using the fixing agent. Conductive bond wires are configured to directly couple the amplifier and the photodiode to conductive traces on an opposite side of the printed circuit board. A cover is configured to cover the amplifier and the photodiode, and is physically attached to the printed circuit board to provide mechanical rigidity around the photodiode and the amplifier. The cover has an optically transparent aperture containing a lens configured to focus modulated light signals from a fibre onto the photodiode. The printed circuit board has areas of a first material and second material configured to fix a location of the cover by use of the fixing agent to align the lens to focus the light signals from the fibre onto the photodiode.

An electronic cigarette includes a laser and a replaceable atomiser. A reservoir is provided for storing a vaporisable liquid. The replaceable atomiser includes a light guide, an absorber and a vaporisation chamber. A liquid inlet in the atomiser provides a flow path for liquid in the reservoir to flow towards the absorber and the vaporisation chamber. The light guide is configured to couple light from the laser towards the absorber which can generate heat by absorbing the emitted light and this can cause vaporisation of the vaporisable liquid. When the light guide becomes dirty or contaminated it can be replaced simply by replacing the atomiser.

A data acquisition apparatus includes an illumination device, a first beam splitter, a measurement unit, and a photodetector. A measurement optical path and a reference optical path are positioned between the illumination device and the photodetector. In the first beam splitter, light traveling in a first direction and light traveling in a second direction are generated from incident light. The measurement optical path is positioned in the first direction, the reference optical path is positioned in the second direction, and the measurement unit is disposed on the measurement optical path. In the optical surface of the first beam splitter, an incident position of light emitted from the illumination device changes with time, and the angle formed by light propagating through the measurement optical path and the optical axis of the measurement optical path changes with change in the incident position.