An interference lens and a projection ambient lamp are provided. The interference lens includes: an interference sheet with a first surface and a second surface opposite to the first surface, the first surface being a rough surface; and a reflective film provided at the interference sheet; wherein light is reflected by the reflective film to form an interference pattern. The projection ambient lamp includes the foregoing interference lens, a light source and a focusing lens; light emitted from the light source passes through the interference lens and is reflected by the reflective film to form an interference pattern, which is focused by the focusing lens and projected on a medium. The present disclosure realizes simplification of the structure by providing a reflective film at the interference lens, hence utilization of light energy is higher, power consumption is lower, manufacturing cost is lower, and projection effect is better.

An optical arrangement is provided for converting an input laser beam into a linear output beam propagating along a propagation direction and having in a working plane and a linear beam cross section extending along a line direction and having a non-vanishing intensity. The optical arrangement includes a reshaping optical unit having an input aperture for receiving the input laser beam and an output aperture, and is configured to convert the input laser bean into a beam packet having a multiplicity of beam segments that emerges through the output aperture. In addition, a homogenization optical unit is included having a first lens array and a second lens array arranged downstream of the first lens array in the beam path, the homogenization optical unit configured to mix different beam segments of the beam packet along the line direction. A transformation lens is configured such to superpose the mixed beam segments so as to form the linear output beam, and a displacement device is configured to displace the second lens array relative to the first lens array.

Provided are an optical system capable of improving the spatial resolution of hyperspectral imaging and an optical alignment method using the same. The optical system includes a digital micromirror device (DMD) having a rectangular shape, a first cylindrical lens curved to focus and form an image on an axis corresponding to a shorter side of the DMD, and a second cylindrical lens curved in the same axial direction as the axis to collimate light reflected from the DMD.

The invented optical chamber is sealed and encapsulated by a transparent element, a connection element and a transparent substrate or another transparent element. The optical chamber is filled with a transparent fluid and equipped with an electronic sensing and execution component. The surface state, the position and the inclination of the optical chamber are adjusted by the electronic sensing and execution component or through a movable part of the connection element, thereby adjusting the output direction and the focal length of the light beam. The optical chambers are combined in series or in array to constitute an operational solar concentrator adapted to output more than one controlled convergent light beam or a directional light beam to support various light energy applications, such as long-distance lighting, heating, light energy and signal transmission, increased electric energy production, and weather control. The invention is provided to adjust the internal temperature and pressure to adapt to extremely high power and extreme environments. Biotechnology is useful for obtaining the same structure and function.

An apparatus having an asymmetric adjustable lens with a deformable optical element. The apparatus may also include one or more actuators coupled to a deformable element of the asymmetric adjustable lens in a direct-drive configuration such that (1) mechanical action of the one or more actuators applies force to the deformable optical element and (2) the force applied by the mechanical action of the one or more actuators changes an optical property of the asymmetric adjustable lens by deforming the deformable optical element. Various other devices, systems, and methods are also disclosed.

A reflector arrangement for position determination and/or marking of target points, comprising a retroreflector and a first sensor arrangement, by means of which the orientation measurement radiation passing through the retroreflector is acquirable. The first sensor arrangement comprises a first optical assembly providing a fisheye lens, and a first sensor, wherein the retroreflector and the first sensor arrangement are arranged in such a way that orientation measurement radiation passing through the retroreflector is projectable onto the detection surface of the first sensor by means of the first optical assembly.

A laser emitter includes an emitting assembly and a laser deflection assembly, wherein the emitting assembly that has a beam outlet, and the beam outlet is configured to emit a laser beam, the laser deflection assembly that is at the beam outlet and is movable relative to the beam outlet, the laser deflection assembly is configured to change an angle of deviation of the laser beam emitted from the beam outlet when the laser deflection assembly is translated relative to the beam outlet, and an included angle is between a translation direction of the laser deflection assembly and a center line of the laser beam emitted from the beam outlet.

A confocal microscope device for scanning a two-dimensional array of illumination beams over a target surface and scanning a corresponding two-dimensional array of emission beams stimulated by the array of illumination beams on to a sensor of an imaging device. The device comprises first scanning optics operable to scan the array of illumination beams over the target surface along a first axis and scan the array of emission beams over the sensor along the first axis. The device further comprises second scanning optics operable to deflect, on a second axis, the array of illumination beams as they are scanned over the target surface along the first axis, such that uneven stimulation of the target surface by the array of illumination beams due to interference of the illumination beams is reduced, and deflect, on the second axis, the array of emission beams as they are scanned over the sensor of the imaging device along the first axis such that uneven stimulation of the sensor by the array of emission beams due to interference of the emission beams is reduced.

A micromechanical light deflection device, including a micromechanical light deflection unit and a transparent cover for the micromechanical light deflection unit, the transparent cover including at least one passive beam shaping unit for a light beam.

An optical path control apparatus includes an oscillating part including an optical member on which light is made incident; an actuator configured to oscillate the oscillating part; and a drive unit configured to apply to the actuator a drive signal with a waveform including a first period in which a current value is changed from a first current value to a second current value and including a second period that is continuous with the first period and in which the current value is held at the second current value, to cause the actuator to oscillate the oscillating part and to control an optical path. The drive unit applies the drive signal so that the length of the first period is a value corresponding to the natural frequency of the oscillating part.