A light sensing apparatus is disclosed. The light sensing apparatus, includes a sensor configured for sensing a light; an in-plane motion motor, including a circuit board having a first bottom base with an central cavity and a circuit board frame disposed thereon, wherein the first bottom base has a first bottom surface; a lead frame disposed inside the central cavity and having a second bottom surface; and an in-plane motion actuator having a movable inner frame and a fixed outer frame both allocated in a reference plane, wherein the movable inner frame moves along at least one of two directions perpendicular to each other and parallel to the first bottom surface; and an out-of-plane motion motor, including: a base plate having a base plate surface and a base plate frame disposed on a periphery of the base plate surface; four single-axis actuators disposed on the base plate surface, each of which has an actuating end, and each of which moves the respective actuating end along a direction perpendicular to the base plate surface, wherein the first bottom surface is attached to the base plate frame, and the second bottom surface is attached to the four actuating ends.

The present invention provides a tunable spectrum sensing device. The tunable spectrum sensing device includes: a device body; an out-of-plane motion motor mounted on the device body and including: a base having a normal direction; and a single-axis actuator having a motion direction parallel to the normal direction, and including: a substrate with an electronic element; and an actuating end driven by the electronic element; a first glass mounted on and moved by the actuating end; and a second glass mounted on the device body. The out-of-plane motion motor can keep an object at a specific rotation angle, position the object at a specific out-of-plane displacement or be programmed for the object to perform a specific scan trajectory motion. The out-of-plane motion motor also has a large motion stroke, and thus, there is no need to use multiple tunable spectrum sensing devices to satisfy the spectral bandwidth requirement.

A reflector device is provided in the present disclosure, and includes a base, a first single-axis motion motor, a fulcrum structure and a reflector. The base includes a base plate having a base plate surface. The first single-axis motion motor is disposed on the base plate surface, and has a motion direction parallel to a normal direction of the base plate surface. The fulcrum structure is disposed on the base plate surface. The reflector has a first and a second ends connected with the first single-axis motion motor and the fulcrum structure respectively.

A method for manufacturing an apparatus having in-plane and out-of-plane motions is provided. The method includes the steps of providing an in-plane motion motor capable of moving in a first set of three degrees of freedom with respect to a reference plane for mounting thereon a functional device for performing the application function; providing an out-of-plane motion motor having a base plate surface and supporting thereon the in-plane motion motor; and providing four single-axis motors in the out-of-plane motion motor, wherein: each of the four single-axis motors has a single-axis actuator having an actuating end, a planar surface and a side surface; the side surface is attached to the base plate surface; and the four single-axis motors cooperatively enable the reference plane to be capable of moving in a second set of three degrees of freedom, wherein the first set of three degrees of freedom are all different from the second set of three degrees of freedom.

A spectral feature selection apparatus includes a dispersive optical element arranged to interact with a pulsed light beam; three or more refractive optical elements arranged in a path of the pulsed light beam between the dispersive optical element and a pulsed optical source; and one or more actuation systems, each actuation system associated with a refractive optical element and configured to rotate the associated refractive optical element to thereby adjust a spectral feature of the pulsed light beam. At least one of the actuation systems is a rapid actuation system that includes a rapid actuator configured to rotate its associated refractive optical element about a rotation axis. The rapid actuator includes a rotary stepper motor having a rotation shaft that rotates about a shaft axis that is parallel with the rotation axis of the associated refractive optical element.

A spectral feature selection apparatus includes a dispersive optical element arranged to interact with a pulsed light beam; three or more refractive optical elements arranged in a path of the pulsed light beam between the dispersive optical element and a pulsed optical source; and one or more actuation systems, each actuation system associated with a refractive optical element and configured to rotate the associated refractive optical element to thereby adjust a spectral feature of the pulsed light beam. At least one of the actuation systems is a rapid actuation system that includes a rapid actuator configured to rotate its associated refractive optical element about a rotation axis. The rapid actuator includes a rotary stepper motor having a rotation shaft that rotates about a shaft axis that is parallel with the rotation axis of the associated refractive optical element.

A spectroscopic system may include: a probe having a probe tip and an optical coupler, the optical coupler including an emitting fiber group and first and second receiving fiber groups, each fiber group having a first end and a second end, wherein the first ends of the fiber groups are formed into a bundle and optically exposed through the probe tip; a light source optically coupled to the second end of the emitting fiber group, the light source emitting light in at least a first waveband and a second waveband, the second waveband being different from the first waveband; a first spectrometer optically coupled to the second end of the first receiving fiber group and configured to process light in the first waveband; and a second spectrometer optically coupled to the second end of the second receiving fiber group and configured to process light in the second waveband.

In gas analyzing apparatuses, interference noises should be reduced. A gas analyzing apparatus for analyzing component included in measuring object gas, including: a light emitting unit to irradiate laser light to the measuring object gas; a light receiving unit to receive the laser light having passed through the measuring object gas; an actuating unit to change an optical path length of the laser light by moving at least one optical element that is arranged in a light path where the laser light is passing; and a calculating unit to calculate concentration of the measuring object gas, based on signals detected by the light receiving unit in two states where the optical element is at different positions by n/2 times the wavelength of the laser light (where, n is integer) is provided.

A spectral feature selection apparatus includes a dispersive optical element arranged to interact with a pulsed light beam; three or more refractive optical elements arranged in a path of the pulsed light beam between the dispersive optical element and a pulsed optical source; and one or more actuation systems, each actuation system associated with a refractive optical element and configured to rotate the associated refractive optical element to thereby adjust a spectral feature of the pulsed light beam. At least one of the actuation systems is a rapid actuation system that includes a rapid actuator configured to rotate its associated refractive optical element about a rotation axis. The rapid actuator includes a rotary stepper motor having a rotation shaft that rotates about a shaft axis that is parallel with the rotation axis of the associated refractive optical element.

A lens scanning mode hyperspectral imaging system and a rotor unmanned aerial vehicle include: an imaging lens, an imaging spectrometer and a surface array detector arranged in sequence and coaxial to a main optic axis, wherein the imaging spectrometer and the surface array detector are connected and mounted to each other; wherein the lens scanning mode hyperspectral imaging system further includes: a driving device for driving the imaging lens to translate relative to a plane where a slit of the imaging spectrometer is. The hyperspectral imaging system of the present invention overcomes the technical bias in the prior art that the imaging lens must be fixed, and the present invention provides relative motion between the target object and the imaging spectrometer by the lens scanning mode for imaging, which solves the image distortion problem of conventional hyperspectral imaging system using a slit scanning mode or a scanning mode.