The present invention relates to a cycloolefin resin composition, a molded article of the cycloolefin resin composition, and an optical element, and in particular, to a resin composition containing inorganic particles in a resin, a molded article of the resin composition, and an optical element formed of the molded article.

An optical scanning device that scans incident light by causing a mirror to oscillate is provided. The optical scanning device includes a displacement sensor for detecting a swing angle of the mirror and a temperature sensor used for temperature compensation of the displacement sensor. The displacement sensor is a piezoelectric sensor that has a structure in which a lower electrode, a piezoelectric film, and an upper electrode are layered in this order. The temperature sensor is a resistance type temperature measuring body that has a same layer structure as the lower electrode.

A mirror assembly (32) for directing a beam (28) includes a base (450), and an optical element (454) that includes (i) a mirror (460), (ii) a stage (462) that retains the mirror (460), (iii) a mover assembly (464) that moves the stage (462) and the mirror (460) relative to the base (450), and (v) a thermally conductive medium (466) that is positioned between the stage (462) and the base (450) to transfer heat between the stage (462) and the base (450). The thermally conductive medium (466) has a thermal conductivity that is greater than the thermal conductivity of air. The thermally conductive medium (466) can include an ionic fluid or a liquid metal.

An actuator-sensor system for controlled diverting or deflecting of electromagnetic radiation in at least one axis (9), with an actuator (5) for mechanically moving a deflecting element (10) and with a measuring element (2) for sensing the position of the deflecting element (10), where the measuring element (2) includes a flat substrate (3) having at least one sensor element (4). Furthermore, the present disclosure relates to a fast steering mirror (FSM).

An imaging apparatus includes a first reflection optical system and a second reflection optical system having mutually different optical axes, each of the first and second reflection optical systems includes a plurality of reflecting surfaces, a first imaging portion configured to receive an imaging light reflected by the first reflection optical system, a second imaging portion configured to receive an imaging light reflected by the second reflection optical system, a first member, a second member, and a frame. A part of the plurality of reflecting surfaces of the first reflection optical system are reflecting surfaces provided on the frame. Among the plurality of reflecting surfaces of the first reflection optical system, a final-stage reflecting surface configured to reflect the imaging light toward the first imaging portion is a first reflecting surface formed on a surface of the first member.

An optical arrangement includes an optics holder and a reflective optic fixed to the optics holder, in which the optics holder includes at least two holding members for fixing the reflective optic to the optics holder, and in which at least one of the holding members is resiliently deflectable.

An apparatus having an optical structure and ridges is described, wherein adhesive is arranged between the ridges and the optical structure, wherein the adhesive is effective to effect, after its annealing, a predetermined orientation of the optical structure in relation to a reference plane.

An optical element includes a substrate, a first resin portion provided on a first main surface of the substrate and having a linear expansion coefficient larger than a linear expansion coefficient of the substrate, a reflection portion provided on the first resin portion, and a second resin portion provided on a second main surface of the substrate opposite to the first main surface and having a linear expansion coefficient larger than the linear expansion coefficient of the substrate.

An apparatus having an optical structure, ridges and an electrostatic actuator with a cantilever electrode is described, wherein the ridges connect the optical structure to a supporting structure and the electrostatic drive is implemented to deflect the optical structure.

A dynamic focus and zoom system with three MEMS mirrors, three prisms, three beam splitters, three fixed lenses and an optical relay, all within a housing. The second prism, first and second fixed lenses, and first beam splitter are aligned linearly along a longitudinal axis of the optical relay. The first and second MEMS mirrors are linearly aligned with one another at a ninety-degree angle to such longitudinal axis. The third MEMS mirror, third fixed lens, third wave plate, third beam splitter and third prism are linearly aligned with one another at a ninety-degree angle to the same longitudinal axis. The third prism abuts up against the center of the optical relay between the first and second fixed lenses and is linearly aligned with the first prism such that the linear alignment of the first and third prisms is parallel to the longitudinal axis of the optical relay.