Abstract: According to the present invention, there is provided an optical device comprising, a plurality of light sources each operable to provide a light beam; at least one beam combiner which is operable to combine the light beams from the plurality of light sources, to provide a combined light beam; a beam splitter, which is arranged to receive the combined light beam and to split the combined light beam into a primary light beam and a secondary light beam, wherein one or more characteristics of the secondary light beam are indicative of one or more characteristics of the primary light beam, wherein the beam splitter comprises a first surface through which the primary light beam is emitted from the beam splitter and a second surface through which the secondary light beam is emitted from the beam splitter; a mirror component which comprises a mirror, wherein the mirror component is arranged such that the mirror can reflect the primary light beam which is emitted through the first surface of the beam splitter and whe

Abstract: In a method for imaging a structure (33) marked with a fluorescent dye in a sample, the sample is repeatedly scanned in a scanning range (28) with a light intensity distribution localised around a focal point (29) of a focused fluorescence excitation light beam. The light intensity distribution further comprises a focused fluorescence inhibiting light beam (7) whose wave fronts are modulated so that a fluorescence inhibiting light intensity distribution comprises a minimum at the focal point (29) of the fluorescence excitation light beam (4). The scanning conditions are coordinated in such a way that the fluorescence light is emitted out of the scanning range (28) as individually detectable photons. When these photons are detected, the location (32) of the focal point (28) at the respective point in time is allocated to them. An image of the structure (33) is composed of the locations (32) to which the detected photons have been allocated during several repetitions of scanning the scanning range (28).

Abstract: An optical finger navigation module includes a light source configured for emitting light in a first spectrum; a cover housing disposed above the light source, the cover housing including a window plate that is configured to transmit light in at least the first spectrum, and a light guiding structure that is configured to transmit light in at least a second spectrum; a first light sensor configured to sense light in the first spectrum originally emitted by the light source, reflected by an object, and then transmitted through the window plate; a second light sensor configured to sense light in the second spectrum transmitted through the light guiding structure or the window plate; and a substrate. The light source, the cover housing, the first light sensor and the second light sensor are coupled and mounted to the substrate.

Abstract: A detection apparatus comprising a chuck, a probe device, a light-sensing device and a light-concentrating unit is disclosed. The chuck bears light-emitting diode chips. The probe device includes two probes and a power supply. The end point of the probes respectively electrically connects with one of the light-emitting diode chips and the power supply to make the light-emitting diode chip emits a plurality of light beams. The light-sensing device is disposed on one side of a light-emitting surface of the light-emitting diode chip so as to receive the light beams emitted by the light-emitting diode chip. The light-concentrating unit is disposed between the light-emitting diode chip and the light-sensing device to concentrate the light beams emitted by the light-emitting diode chip.

Abstract: An optical connector includes a circuit board, at least one light emitter, at least one light receiver, a shell, and at least two enhancing pins. The circuit board includes a mounting surface. The at least one light emitter and at least one light receiver are mounted on the mounting surface. The shell covers the at least one light emitter and the at least one light receiver. The at least two enhancing pins passes through the shell and are received in the circuit board to fix the shell on the mounting surface.

Abstract: A logic gate comprises a photonic or polaritonic band gap medium and a plurality of nano particles, atoms or artificial atoms are disposed in the band gap medium. Two coupled electromagnetic pulses are propagated within the medium and produce two output pulses. The output pulses are detected or sensed and a third external electronic field controls the relative velocities of the two output pulses. A method for producing a time delay of an electromagnetic pulse is also disclosed.

Abstract: In one aspect, a system for monitoring load-related parameters of a rotor blade of a wind turbine is disclosed. The system may generally include a plurality of reflective targets positioned within the rotor blade. Each reflective target may include a unique visual identifier. In addition, the system may include a light source configured to illuminate the reflective targets and a sensor configured to detect light reflected from the reflective targets.

Abstract: Remote control systems that can distinguish predetermined light sources from stray light sources, e.g., environmental light sources and/or reflections are provided. The predetermined light sources can be disposed in asymmetric substantially linear or two-dimensional patterns. The predetermined light sources also can output waveforms modulated in accordance with one or more signature modulation characteristics. The predetermined light sources also can output light at different signature wavelengths.

Abstract: Detectors and methods for gathering, detecting and analyzing electromagnetic radiation are disclosed. A radiation detector includes one or more positive lenses to direct radiation to mirrors or to a photodetector. Coordinates of directed radiation are measured and interpreted to determine the angle of arrival. A color filter mosaic may be present to determine wavelengths of detected radiation. Temporal characteristics of the radiation may be measured.

Abstract: A scanning system can include an illuminator, configured to produce an illuminating beam, and a fixation unit, configured to mechanically support a sample to be measured within the illuminating beam. The illuminating beam can reflect off the sample to produce reflected light. The system can further include a sensor, positioned angularly away from the illuminator, configured to receive the reflected light. The illuminating beam can include a wavelength spectrum having a FWHM less than 100 nm. In some examples, the fixation unit can be positioned based, in part, on a position of the illuminator and the sensor. In some examples, the sensor can include at least one imaging element that produces an image of the sample. In some examples, the illuminating beam can include a calibration pattern. In some examples, the illuminating beam and the reflected light can be angularly separated between ten degrees and fifteen degrees.

Abstract: An optical connector, includes a circuit board, at least one light emitter, at least one light receiver, and a transparent shell. The circuit board includes a mounting surface and an alignment portion formed on the mounting surface. The at least one light emitter and at least one light receiver are mounted on the mounting surface. The shell includes at least two lenses and an alignment portion. The alignment portion of the circuit board is engaged with the alignment portion of the shell, with each of the at least one light emitter and the at least one light receiver being aligned with a respective one of the at least two lenses.

Abstract: A single aperture three channel optical system is disclosed. In one embodiment, the optical system includes a front optical group and a back optical group that is disposed in substantially close proximity to the front optical group. Further, the optical system includes a first sensor, a second sensor, and a third sensor. The front optical group and the second optical group receives an object beam and splits into a reflected beam having first wavelengths and a transmitted beam of second wavelengths. Furthermore, the front optical group and the second optical group splits the reflected beam having first wavelengths into a transmitted beam having third wavelengths and a reflected beam having fourth wavelengths. The first sensor, the second sensor and the third sensor receive the transmitted beam of second wavelengths, transmitted beam of third wavelengths, and reflected beam of fourth wavelengths, respectively and produce the coaxial three channel images.

Abstract: A method of manipulating a focused light beam includes focusing a beam of excitation light with a lens to a focal spot within a sample, where a cross-section of the beam includes individual beamlets. Directions and/or relative phases of the individual beamlets of the excitation beam at a rear pupil of the lens are individually varied with a wavefront modulating element, and emission light emitted from the focal spot is detected while the directions or relative phases of individual beamlets are varied. The directions of individual beamlets are controlled to either maximize or minimize the emission light from the focal spot, and the relative phases of individual beamlets are controlled to increase the emission light from the focal spot.

Abstract: An illumination device (A) for the illumination of illumination zones (BZ) with different light intensity and/or color temperature by means of at least one light source (L), wherein per light source (L) there is provided at least one illumination modification means (VM) in the optical path between the light source (L) and the illumination zones (BZ) having at least one movement element (BR, BV, LI, L), which is arranged movably in the illumination device (A) and which is adapted to selectively deviate and/or cover the light emitted by the at least one light source (L) by means of control means with an illumination frame rate (R) for a subsequent illumination of the illumination zones (BZ), wherein the control means are adapted to control the light intensity of each light source according to the illumination zone (BZ) currently illuminated.

Abstract: A detector (550) for detecting light (248B) from a light source (248A) comprises a single array of pixels (574) and a first mask (576). The single array of pixels (574) includes a plurality of rows of pixels (574R), and a plurality of columns of pixels (574C) having at least a first active column of pixels (574AC) and a spaced apart second active column of pixels (574AC). The first mask (576) covers one of the plurality of columns of pixels (574C) to provide a first masked column of pixels (574MC) that is positioned between the first active column of pixels (574AC) and the second active column of pixels (574AC). Additionally, a charge is generated from the light (248B) impinging on the first active column of pixels (574AC), is transferred to the first masked column of pixels (574MC), and subsequently is transferred to the second active column of pixels (574AC).

Abstract: Optical systems and methods in accordance with some embodiments discussed herein can receive one or more beams of light from the system's field of view. Internal optical components can then direct the beam of light, including splitting the beam of light, rotating at least one of the split beams of light, and displacing one or more of the beams of light, such that the split beams of light are parallel to each other. Each beam of light may then be directed onto at least one linear detector array. The linear detector array can transform the light into electrical signals that can be processed and presented in a human-readable display.

Abstract: A light splitting and detecting system including at least one light splitting and detecting apparatus is provided. The light splitting and detecting apparatus is capable of receiving a first wavelength optical signal and a second wavelength optical signal. The light splitting and detecting apparatus includes a filter, light detecting unit, a first wavelength filtering unit and a slit. The filter is disposed on the transmission path of the first wavelength optical signal and the second wavelength optical signal. The first wavelength filtering unit is disposed between the filter and the light detecting unit. The slit is disposed between the first wavelength filtering unit and the light detecting unit and expose the light detecting unit.

Abstract: A line sensor unit includes: a first light source configured to emit excitation light that excites a fluorescent substance; a second light source configured to emit non-excitation light that does not excite the fluorescent substance; a line sensor configured to receive light from a medium obtained by irradiating the medium with the excitation light or the non-excitation light; a light-emitting unit, which is excited upon receipt of the excitation light, configured to emit light responsive to the excitation light, the emitted light being incident on the line sensor; and a light-shielding unit, which is provided on a side opposite to a line-sensor side of the light-emitting unit, configured to block light advancing from the light-emitting unit to the medium.

Abstract: The present invention relates to a scattering light source photometer. In particular, the present invention relates to a portable, low cost, multi-wavelength photometer and methods for its use.

Abstract: An optical device may include first and second lasers generating first and second laser beams; and a photo detector detecting the first and second laser beams. The optical detector comprises a substrate, a first impurity layer on the substrate, an absorption layer on the first impurity layer and a second impurity layer on the absorption layer. The absorption layer generates a terahertz by a beating of the first and second laser beams and has a thickness of less than 0.2 ?m.

Abstract: In a method and a light sensor for the optical monitoring of a monitored zone, light is transmitted into the monitored zone and light reflected back or remitted back from the monitored zone is detected by first and second light receivers, each having two spatial detection zones for the scanned zone and the background zone of the monitored zone. A first output signal of the first light receiver is produced depending on whether the center of the light reflected back/remitted back is located in the first or in the second detection zone of the first light receiver, with the first output signal only being able to adopt one of two possible states. In a similar way, a second output signal of the second light receiver is produced. The first and the second output signals are logically linked to one another to produce an object determination signal.

Abstract: A panoramic device for detection of laser pulses is provided, sensitive to at least two wavelengths and including a plurality of optical channels and a set of linear sensor arrays, each linear sensor array including a photosensitive area. Each optical channel includes at least two linear sensor arrays, the respective photosensitive areas of said at least two linear sensor arrays being non-contiguous, so that said at least two linear sensor arrays of each optical channel observe non-contiguous angular fields. Moreover, the optical channels are optically juxtaposed to obtain a continuous angular field of surveillance.

Abstract: The sensing device is provided. A sensing device according to an exemplary embodiment of the present invention includes a lower panel, an upper panel facing the lower panel, a liquid crystal layer positioned between the lower panel and the upper panel, an infrared ray sensor formed in at least one of the lower panel and the upper panel, a visible light sensor formed in at least one of the lower panel and the upper panel, and a backlight device positioned at an outer surface of the lower panel, wherein the backlight device includes a plurality of light emitting members representing different colors and an infrared ray light emitting member.

Abstract: The optical sensor includes a light-emitting element configured to emit light to a light emitted surface, a light-receiving element configured to receive reflection light from the light emitted surface, the reflection light including light emitted from the light-emitting element and reflected at the light emitted surface, a circuit board including a mounting surface on which the light-emitting element and the light-receiving element are mounted, and a housing fixed to the circuit board. The housing includes a light shielding portion provided between the light-emitting element and the light-receiving element, and the light shielding portion is engaged with a hole formed in the circuit board at a position between the light-emitting element and the light-receiving element.

Abstract: To make miniaturization of a laser module easier. In the laser block of a laser module, multiple semiconductor laser elements that each emit a beam of laser light are disposed. A collimating lens receives and collimates the individual beams of laser light emitted from the laser block, and emits collimated light. Photodiodes detect the individual beams of collimated light emitted from the collimating lens, and output signals corresponding to the intensities of the individual beams of collimated light. Additionally, the photodiodes are disposed on the propagation paths of collimated light emitted from the collimating lens, and in addition, are disposed at positions that receive a portion of collimated light for all the individual beams of collimated light which are emitted.

Abstract: An optical system for fluorescence detection includes two parabolic mirrors, a first parabolic mirror and a second parabolic mirror, and fluorescent light beams that are incident from different directions are reflected by the first parabolic mirror as parallel light beams to the second parabolic mirror and are converged at one point by the second parabolic mirror.

Abstract: The present invention relates to an attachment module (100) for a surgical microscope (10), the attachment module (100) being insertable into a main optical path between an objective (11) of the surgical microscope and an object (O) being observed, and including: a multi-photon fluoroscope (110) including a light source (111) for emitting excitation light, a scanning device (112) for directing the excitation light onto the object (O), and a detector (113) for detecting fluorescent light emitted from the object (O); and input coupling optics (120) for reflecting the excitation light from the scanning device onto the object (O).

Abstract: An optical detection sensor and method of forming same. The optical detection sensor be a proximity detection sensor that includes an optical system and a selectively transmissive structure. Electromagnetic radiation such as laser light can be emitted through a transmissive portion of the selectively transmissive structure. A reflected beam can be detected to determine the presence of an object.

Abstract: Systems and methods which use penetrating radiation to obtain novel type of information about objects of interest. This information may be represented as novel type of image. In the present embodiments, penetrating radiation is directed through the object of interest. The attenuated radiation emerging from the object of interest is detected by at least one detector. A plurality of measurements is collected. At least one statistical parameter describing variations of the measurements may be calculated and used for reconstructing an image representing fluctuations of the attenuation of the penetrating radiation in the object of study. At least one other statistical parameter representing the mean attenuation image, the error of the fluctuation image, or the error of the mean attenuation image may also be calculated and used to reconstruct images of the object of interest.

Abstract: To provide a leak detecting sensor capable of favorably detecting a leak of a chemical liquid regardless of orientation in fixing to a patient. The leak detecting sensor has a plurality of light-emitting elements 11 each emitting light to be applied to the patient, and a single light-receiving element receiving the light emitted by the plurality of light-emitting elements and reflected by the patient. The plurality of light-emitting elements are placed to surround the single light-receiving element.

Abstract: A structure 14 for particle immobilization has a plurality of holding holes 9 for holding respective test particles in order to detect light emitted from a substance which indicates the presence of a component for constructing each of the test particles, and the structure 14 for particle immobilization comprises a flat plate substrate 15, and a holding unit 20 which is arranged on the substrate 15 and which is formed with the plurality of holding holes 9. In this configuration, a light shielding film 19 which reduces light noise is provided for the substrate 15 or the holding unit 20 in order that the light noise such as the background noise and the crosstalk noise can be reduced, and a large number of test particles can be optically observed highly sensitively and highly accurately.

Abstract: A number of apparatuses are provided, for sensing and/or emitting energy along one or more desired apparatus line of sights (LOS) with respect to the respective apparatus. In an embodiment, an apparatus includes an assembly that is rotatably mounted on a base with respect to a switching axis. The assembly has two or more sensing/emitting units, each having a respective sensing/emitting unit line of sight (ULOS). Each sensing/emitting unit has an operative state, wherein the respective unit ULOS is pointed along a LOS of the apparatus for sensing and/or emitting energy along the LOS, and a corresponding inoperative state, where the respective unit ULOS is pointed along a direction different from this LOS. A switching mechanism enables switching between the sensing/emitting units to selectively bring a desired sensing/emitting unit exclusively into its respective operative state while concurrently bringing a remainder of the sensing/emitting units each to a respective non-operative state.

Abstract: A variety of methods and systems are described that relate to reducing optical noise. In at least one embodiment, the method includes, emitting a first light having a selected wavelength from a light source, receiving a reflected first light onto a phosphor-based layer positioned inside a receiver, the reflected first light being at least some of the emitted first light that has been reflected by an object positioned outside of a desired target location. The method further includes, shifting the wavelength of the received reflected first light due to an interaction between the received reflected first light and the phosphor-based layer, and passing the received reflected first light with respect to which the wavelength has been shifted through a light detector without detection.

Abstract: The present invention provides a plural third harmonic generation (THG) microscopic system and method. The system includes a laser device, a microscopic device, a beam splitter device and a photodetective device. By utilizing lasers with different central wavelengths or a broad band light source to simultaneously analyze THG response with respect to different wavelengths, a plurality of THG images and THG spectrum of the material or bio-tissue under stimulation of different wavelengths are obtained, thereby retrieving distributed microscopic images and resonant characteristics of the observational material or bio-molecules.

Abstract: The current application is directed to an apparatus and a method for parallel testing and sorting of LED dies on a substrate wafer. The apparatus includes a moving stage and a chuck for the wafer, a wafer prober, collecting and imaging optics, sorting and separating optics, and a linear or rectangular array of light detectors. The method of testing includes moving an LED wafer or a test device on an XY stage, connecting the prober to a line of multiple LED dies or several lines of multiple LED dies, referred to as an “array of devices under test” (“ADUT”), measuring the electrical characteristics of the individual devices under test (“DUT”) in parallel, and collecting light from, and identifying the intensity and wavelength distribution of, the individual DUT in parallel.

Abstract: The invention refers to a compact multispectral scanning system comprising a primary mirror (1) and secondary mirror (2), wherein the mirrors face each other, are adapted to be rotated at the same angular speed in opposite directions, and are tilted with respect to their rotation axes. The primary mirror is concave, the secondary mirror is smaller than the primary mirror and the rotation axes of both mirrors are aligned. This arrangement makes the system more compact than prior art devices and avoids the dependency of the system on the operation frequency.

Abstract: A system for analyzing smoke has a plurality of units, wherein each unit includes an optical emitter for alternately directing horizontally and vertically polarized light along a beam path, and into a smoke cloud, to generate scattered light. A horizontally polarized detector and a vertically polarized detector are positioned at different locations, but at a same distance and scattering angle relative to the beam path. Each unit has a different wavelength. A computer receives signals from the detectors of all units, in response to each emitter, for analysis of the smoke.

Abstract: A system for and method of performing multi-technique imaging are disclosed. Such multi-technique imaging system includes a surface for supporting a specimen and at least two illumination sources for producing light radiation. The system also includes a plurality of reflective and refractive devices arranged to direct at least part of the light radiation from each of the at least two illumination sources to the surface such that the at least part of the light radiation from each of the at least two illumination sources illuminates substantially the same area on the surface. The system also includes a sensor configured to receive light radiation from the at least two illumination sources reflected by the specimen and/or that pass by the specimen. The system also includes a power source configured to power the at least two illumination sources and the sensor.

Abstract: Provided is an optical pickup device with which a short-circuit can be released from above and below. The optical pickup device (15) is provided with: a housing (15B) formed by ejecting a resin material in a prescribed shape; an actuator (15D) that is positioned on the top surface of the housing (15B) so as to hold an objective lens (17); a circuit board (15A) that is fixed to the main surface of the housing (15B); and a connector (15C) that is attached to the top surface of the circuit board (15A). A second short-circuit part (25) and a first short-circuit part (24) are disposed on the top surface and the bottom surface of the circuit board (15A), and a built-in light-emitting chip is protected from electrostatic discharge damage by shorting either one of the short-circuit parts.

Abstract: A primary beam splitter (310) of an optical apparatus (300) can be used to split an incident light beam (305) into a primary plurality of light beams and to direct a first beam of the primary plurality of light beams in a first direction and a second beam of the primary plurality of light beams in a second direction orthogonal to the first direction. Secondary beam splitters (315a,b) positioned in beam paths of the first and second beams can be used to split the first and second beams of the primary plurality of light beams into a secondary plurality of light beams (320a,b) and to split the second beam of the primary plurality of light beams into a tertiary plurality of light beams (325a,b). A primary plurality of beam reflectors (335a,b/340a,b/345a,b) can be positioned and used to redirect the secondary and tertiary plurality of light beams toward a common detector (355).

Abstract: An optical backplane is provided that has at least first and second side walls that are generally parallel to one another and at least one optical relay element disposed on at least one of the parallel side walls. An optical signal is coupled into the optical backplane through an entrance facet of the backplane. The optical signal is maintained within the optical backplane by internal reflection at the parallel side walls of the backplane. The optical relay element receives the optical signal reflected off of one of the side walls and reflects and refocuses the optical signal to guide the optical signal and prevent it from diverging as it propagates through the backplane from the entrance facet to the exit facet.

Abstract: The present invention aims at providing an image reading device and an image forming apparatus including a light guiding body having a first emission surface and a second emission surface. A color copy machine includes a luminescence portion including: LEDs composed of a plurality of dot-shaped luminescence members disposed at predetermined intervals in a main scanning direction and/or an elongated luminescence member that is formed to extend in the main scanning direction; and a light guiding body that is disposed between the LEDs and an original, and has a light incidence portion disposed on a side to the LEDs and an emission portion disposed on a side to the original. The emission portion has a first emission surface and a second emission surface that is formed on a different plane from a plane including the first emission surface.

Abstract: A proximity sensor device is provided in compact unit that has the ability to sense or monitor in different directions, such as sensing or monitoring in both the vertical and horizontal directions. Methods are also provided. In an illustrative embodiment, the proximity sensor device includes a first transmitting/receiving pair and a second transmitting/receiving pair on a printed circuit board along with an IC to control the transmitters and receivers, as well as, in some embodiments, to provide signal filtering, amplification or other desired features.

Abstract: A light grid detects objects in a monitored area. The grid includes a number of transmitters that emit light rays pulses. A number of receivers, corresponding to the number of transmitters, receive the light rays. Respectively one transmitter is assigned to one receiver to define a light axis. With a clear monitoring area, the light rays emitted by the transmitter impinge on the corresponding receiver. The transmitters and the corresponding receivers are activated cyclically and individually, one after another. An evaluation unit generates a switching signal in dependence on the signals received at the receivers. A control unit coupled between the receivers and the evaluation unit eliminates interfering light shares in the signals received at the receivers. The control unit is deactivated during time intervals in which the transmitters emit transmitting pulses.

Abstract: In a method and a light sensor for the optical monitoring of a monitored zone, light is transmitted into the monitored zone and light reflected back or remitted back from the monitored zone is detected by first and second light receivers, each having two spatial detection zones for the scanned zone and the background zone of the monitored zone. A first output signal of the first light receiver is produced depending on whether the center of the light reflected back/remitted back is located in the first or in the second detection zone of the first light receiver, with the first output signal only being able to adopt one of two possible states. In a similar way, a second output signal of the second light receiver is produced. The first and the second output signals are logically linked to one another to produce an object determination signal.

Abstract: A 3-D sensor for controlling a control process comprising a light source that includes at least one illumination source, a reception matrix for receiving a complete image of light reflected from areas from a spatial section, an evaluation device for determining the distance between the areas and the reception matrix, and a supervisory device for recognizing an object, in which the light source illuminates a partial region of the spatial section which has at least one interspace.

Abstract: An optoelectronic sensor (10) is provided with a plurality of light transmitters (14) and light receivers (26) that form between one another a field (20) of mutually parallel monitoring beams (18), wherein beam shaping optics (16, 24) are assigned to the light transmitters (14) and the light receivers (26). The optics (16, 24) comprise a geometry and arrangement leading to a mutual overlap of the optics (16, 24) in a direction diagonal, in particular perpendicular, to the field (20).

Abstract: Optical systems and methods in accordance with some embodiments discussed herein can receive one or more beams of light from the system's field of view. Internal optical components can then direct the beam of light, including splitting the beam of light, rotating at least one of the split beams of light, and displacing one or more of the beams of light, such that the split beams of light are parallel to each other. Each beam of light may then be directed onto at least one linear detector array. The linear detector array can transform the light into electrical signals that can be processed and presented in a human-readable display.

Abstract: The present invention relates to apparatus, systems, and methods for analyzing biological samples. The apparatus, systems, and methods can involve using a vacuum source to pull microfluidic volumes through analytical equipment, such as flow cells and the like. Additionally, the invention involves using optical equipment in conjunction with the analytical equipment to analyze samples and control the operation thereof.

Abstract: A 3D image capturing device includes a first lens module, a second lens module, a single sensor, an image sensor; a cross dichroic prism; a first mirror; and a second mirror. The first and second lens module have a first optical axis and a second optical axis, respectively. The second lens module is located juxtaposed with the first lens module. The second optical axis is parallel with the first optical axis. The first and second mirrors are arranged at opposite sides of the cross dichroic prism. The first and second mirrors are configured for reflecting and directing light beams from the first and second lens modules to the cross dichroic prism. The cross dichroic prism is configured to redirect the reflected light beams from the first and second mirrors to the image sensor.