Abstract: An apparatus for sensing an image sun position is disclosed, comprising a casing, a light entrance hole on the casing and an optical unit within the casing and aligned with the optical unit; a tracking mechanism, connected to the image position sensing mechanism and comprises a holder, a solar battery module operatively connected to the holder, a first and second activation elements operatively connected to the solar battery module, respectively, and a control mechanism, connected to the optical unit and the first and second activation elements. This apparatus can directly acquire a sun image by using an image position sensing mechanism and activate a tracking mechanism to track and align with the determined sun position to enable the solar battery module to face straightly to sun, achieving low lost, high sensitivity and high tracking accuracy without using any encoder, illumination calculation and GPS (global positioning system).

Abstract: The imaging device includes a sensor substrate, a light-blocking substrate, a light-collecting substrate, a sealing material, and a light-transmitting member. The light-transmitting member includes a light-transmitting base disposed to be in contact with either the sensor substrate or the light-blocking substrate, and a light-transmitting resin which is filled between the base and the sensor substrate or the light-blocking substrate. A void is formed in at least a part of a space between the sealing material and the light-transmitting member.

Abstract: A coordinate detector includes a light output part, a light detection part, a first guide part, and a second guide part. The light output part emits light. The light detection part outputs a detection signal according to the amount of entering light. The light output part and the light detection part are provided in an area around a display part on a side closer to a first surface of the display part than to its second surface facing away from the first surface. The first guide part guides light emitted from the light output part toward a direction along the first surface. The second guide part guides, toward the light detection part, light exiting from the first guide part and passing over the first surface.

Abstract: A comparator circuit for generating a signal representing a comparison of an input signal and a reference signal. In an embodiment, the comparator circuit includes a first stage and a second stage to provide respective signal amplification, where switch circuitry of the second stage switchedly couples respective elements of the first and second stages. The comparator circuit further includes a third stage to generate an output signal based on an intermediate signal of the second stage. In another embodiment, feedback circuitry of the comparator circuit is to selectively control a voltage of the output stage based on the output signal.

Abstract: In an embodiment, each of first and second pixel rows has pixels. A first transfer gate is arranged between the first and second pixel rows. Second transfer gates are arranged adjacently to odd-numbered pixels of the second pixel row, respectively. Third transfer gates are arranged adjacently to even-numbered pixels of the second pixel row, respectively. A first CCD register is arranged adjacently to the second transfer gates and third transfer gates. Fourth transfer gates are arranged adjacently to odd-numbered accumulation gates of the first CCD register. A second CCD register is arranged adjacently to the fourth transfer gates. An output portion converts transferred charges into a voltage signal. A clear gate controls draining of the charges accumulated in the first pixel row to a first drain portion. A switch gate controls draining of charges transferred in a row direction in the second CCD register to a second drain portion.

Abstract: An image sensor system using a circuit that automatically provides a multiple point output which represents, in a first mode, each of the multiple points receiving outputs at substantially the same time delayed only by a transit time across a wire connecting the multiple point outputs, and in a second mode, each of the multiple points producing outputs that are delayed by a delay time, where each output is delayed relative to each other output by said delay time in the second mode.

Abstract: A solid state imaging device includes: first and second photoelectric conversion units to generate charges; a isolation portion to isolate the photoelectric conversion units; first and second floating diffusions; first and second transfer transistors to transfer the generated charges to the floating diffusions; one or two transfer control lines to supply transfer pulses to the transfer transistors; one or two contacts to connect gates of the transfer transistors with the transfer control lines, wherein: the first and second transfer transistors are symmetrical with respect to the isolation portion; the contacts are symmetrical with respect to the isolation portion; values of parasitic capacitance and resistance of paths in which the transfer pulses are supplied from the transfer control lines to (i) the first and (ii) the second transfer transistors are equal; and a focus detection is performed using signals based on charges generated in the photoelectric conversion units.

Abstract: An AD conversion circuit includes: a comparison unit that receives an analog signal and a reference signal, compares voltages of the signals, and outputs a first comparison signal; a signal generation unit that outputs a second comparison signal for switching a logic state, and outputs a third comparison signal that is a result of a logic operation on the first comparison signal and the second comparison signal; a control unit that outputs an enable signal; a clock generation unit that outputs first to nth clock signals having different phases; a latch unit that includes first to nth latch units, each of the first to nth latch units including an input terminal, a first control terminal, a second control terminal, and an output terminal, and latches a logic state of the one of the first to nth clock signals; and a count unit that performs a count operation.

Abstract: An image sensor module includes an image sensor bearer and an image sensor, the image sensor bearer being fashioned as an injection-molded circuit bearer, and the image sensor being situated on the image sensor bearer, and the image sensor bearer including at least one holding device that is integrally formed on the image sensor bearer.

Abstract: There is provided a solid-state imaging device including a photoelectric conversion unit, and a reflecting plate that includes a first portion that is provided on a side opposing a light incidence side with respect to the photoelectric conversion unit and formed at a center of a region in which light beams are collected, and a second portion that is formed on a boundary of adjacent regions to be convex on the incidence side with respect to the first portion, and collects reflected light beams within the regions by generating a phase difference between reflected light beams on the first portion and reflected light beams on the second portion.

Abstract: The invention provides an ambient light sensing device and an ambient light sensing method. The ambient light sensing device includes at least one pixel, a read out circuit, and a combination unit. The invention detects ambient light to obtain plural lower resolution exposure values corresponding to different dynamic ranges respectively, and combines the plural lower resolution exposure values to generate a higher resolution code combination, indicating the result of ambient light detection.

Abstract: An optical module includes: a light-receiving element configured to receive an optical signal and convert the optical signal to an electrical signal; a transmission line configured to transmit an electrical signal; and an amplifier element configured to amplify an electrical signal that is output from the light-receiving element and transmitted through the transmission line, wherein characteristic impedance of the transmission line connecting the light-receiving element and the amplifier element is higher than input impedance of the amplifier element.

Abstract: According to one embodiment, a method includes generating a first clock signal and a second clock signal with non-overlapping clock phases. The method may further include latching, by a plurality of master latches of a shift register, a plurality of values at a plurality of inputs of the master latches in response to a particular type of logical transition of the first clock signal. The method also includes latching, by a plurality of slave latches of the shift register, a plurality of output values of the plurality of master latches at a plurality of inputs of the slave latches in response to a particular type of logical transition of the second clock signal.

Abstract: A negative feedback avalanche diode for detecting the receipt of a single photon is described. The photodetector comprises a load element having two load states, one characterized by high impedance and the other characterized by low impedance. The load state of the load element is controlled by a control signal generated within the negative feedback avalanche diode itself.

Abstract: A proximity sensor package and a packaging method thereof are disclosed. The proximity sensor package includes a light emitting unit and a light sensor. The light sensor has a first surface having a light sensing area. The light emitting unit is disposed on the first surface of the light sensor outside the light sensing area.

Abstract: A widefield microscope illumination system and a method for illumination, the system having a microscope objective with an optical objective axis, an illumination light source sending widefield illumination light along illumination beam paths having corresponding illumination axes along which the illumination light penetrates into the microscope objective through illumination light entry sites located within a predetermined illumination light entry area, a spatially resolving light detector detecting detected light sent from an illuminated sample through the microscope objective along a detected light beam path, and an automatic illumination light beam path manipulation device, controlled by a control system, which is arranged in front of the microscope objective in relation to the direction of the illumination light beam path, and by which illumination light beam path manipulation device the illumination axes are automatically movable at time intervals to a plurality of illumination light entry sites.

Abstract: An apparatus and associated method using a light source selectively emitting an incident beam. A thin film is disposed in a path of and responsive to the incident beam to produce a reflected beam. A light-sensing probe is capable of detecting the reflected beam. Ambient environment logic responsive to the light-sensing probe compares a position of the reflected beam to an expected position to make a characteristic determination of a selected ambient environment through which the incident beam propagated.

Abstract: A sensor package includes a radiation source and a radiation detector provided on a substrate. A cover member is mounted on or affixed to the substrate over the source and detector. The cover member includes an opaque housing, a first transparent portion provided over the source, a second transparent portion provided over the detector and a transparent insert within the housing and positioned at one of said transparent portions. An opaque protrusion is provided on the housing separating a region associate with the first transparent portion (and radiation source) from a region associated with the second transparent portion (and detector), the protrusion attached to a surface of the substrate.

Abstract: The present invention relates to a multi-channel luminous energy sensing unit, an apparatus for measuring light energy of an exposure device and a method for measuring light energy by channel. In accordance with one embodiment of the present invention, a multi-channel luminous energy sensing unit to sense an amount of light illuminated from a light source, which includes a board; and a plurality of light sensor modules arranged on the board for sensing at least two channel light with bandwidths different from each other among the light illuminated from the light source, is provided. And also, an apparatus for measuring light energy of an exposure device including the same and a method for measuring light energy by channel are provided.

Abstract: Disclosed is a portable handheld characteristic analyzer used to analyze chemical compositions in or near real-time. One method of using the analyzer to determine a characteristic of a sample includes directing the handheld characteristic analyzer at the sample, the handheld characteristic analyzer having at least one integrated computational element arranged therein, activating the handheld characteristic analyzer, thereby optically interacting the at least one integrated computational element with the sample and generating optically interacted light, receiving the optically interacted light with at least one detector arranged within the handheld characteristic analyzer, generating an output signal corresponding to the characteristic of the sample with the at least one detector, receiving the output signal with a signal processor communicably coupled to the at least one detector, and determining the characteristic of the sample with the signal processor.

Abstract: A method for controlling an electro-optic modulator device includes measuring a performance metric of the device to define a first measured performance value, and changing a state of a first tuning portion of the device to connect the first tuning portion to ground.

Abstract: A bidirectional optical module for communicating optical signals bidirectionally via a single optical fiber is provided. The bidirectional optical module includes an optical fiber, a stem having a cavity formed at one side thereof and first alignment marks formed near an entrance of the cavity, a light emitting device mounted on the cavity, a light receiving device mounted on the cavity and spaced apart from the light emitting device, a filter block part fixed near the entrance of the cavity and configured to deliver light output from the light emitting device to the optical fiber and deliver light input through the optical fiber to the light receiving device, and a cap configured to accommodate the light emitting device, light receiving device, and a filter block part between the cap and the stem.

Abstract: An apparatus for measuring state variables with at least one fiber-optic sensor, containing at least one optical coupler, at least one filter element and at least one photoelectric converter, where the optical coupler, the filter element and the photoelectric converter are integrated on a substrate, and the filter element contains at least one Bragg grating which is designed to supply the light portion reflected by the Bragg grating to the photoelectric converter.

Abstract: Disclosed herein is a system for an apodization mask composed of multi-walled carbon nanotubes (MWCNTs) for absorbing unwanted stray light. An apodization mask is a precise pattern or shape that is mathematically derived using light scattering measurement techniques to achieve optimal light absorption. Also disclosed herein is an apparatus for a duplex telescope with stray light suppressing capabilities comprising: a primary mirror for transmitting and receiving light; a secondary mirror for defocusing transmitted light onto the primary mirror and for focusing received light; a photodetector which receives light; a laser transmitter which transmits light; and an apodization mask for absorbing stray transmitted light.

Abstract: The device for producing laser-cooled atoms comprises a two dimensional trap or a three-dimensional trap, or a combination of two- and three-dimensional traps. The two-dimensional trap comprises: three or more permanent magnets arranged around a perimeter of a loop, wherein a plane of the loop is perpendicular to a free axis of the two-dimensional atom trap, and the three or more permanent magnets bracket an internal volume of the two-dimensional atom trap; and one or more laser beam input ports enabling access for one or more laser beams to the internal volume of the two-dimensional atom trap.

Abstract: In accordance with an embodiment, a method of adjusting quality of an image of patterns common in shape includes acquiring a first gray value and a first waveform within a reference image, acquiring a sample image, acquiring a second gray value and a second waveform from third and fourth regions within a sample image, respectively, and adjusting the brightness and contrast of the sample image. The first gray value is a standard for the brightness of the image from a first region within a reference image. The first and second waveforms represent a luminance profile of second and fourth regions including edges, respectively. The third and fourth regions correspond to the first and second regions. The brightness and contrast of the sample image are adjusted by matching the first gray value and the first waveform with the second gray value and the second waveform.

Abstract: In accordance with an embodiment, a coordinate correcting method includes generating a pattern image for matching from an SEM image acquired by an electron microscope in accordance with a defect coordinate, performing matching between a defect image and the pattern image, superimposing the defect image and the pattern image between which the matching has been performed on a difference image, specifying a position to which a defect position on the difference image corresponds on the pattern image, and converting the corresponding position on the SEM image to a coordinate on a wafer. The defect coordinate, the defect image and the difference image are obtained by a defect inspection apparatus.

Abstract: The present invention is concerned with a device for charged particle transportation and manipulation. Embodiments provide a capability of combining positively and negatively charged particles in a single transported packet. Embodiments contain an aggregate of electrodes arranged to form a channel for transportation of charged particles, as well as a source of power supply that provides supply voltage to be applied to the electrodes, the voltage to ensure creation, inside the said channel, of a non-uniform high-frequency electric field, the pseudopotential of which field has one or more local extrema along the length of the channel used for charged particle transportation, at least, within a certain interval of time, whereas, at least one of the said extrema of the pseudopotential is transposed with time, at least within a certain interval of time, at least within a part of the length of the channel used for charged particle transportation.

Abstract: In an ion cyclotron resonance cell, which is enclosed at its ends by electrode structure elements with DC voltages of alternating polarity, longitudinal electrodes are divided so that the ICR measurement cell between the electrode structure elements consists of at least three sections. An excitation of ion cyclotron motions can be performed by applying additional trapping voltages to longitudinal electrodes located closest to the electrode structure elements and introducing ions into the center set of longitudinal electrodes. The ions are then excited into cyclotron orbits by applying radiofrequency excitation pulses to at least two rows of longitudinal electrodes to produce orbiting ion clouds. Subsequently, the additional trapping voltages are removed and an ion-attracting DC voltage is superimposed on the DC voltages. Ions excited to circular orbits can be detected using detection electrodes in the outer ICR cell sections.

Abstract: An apparatus, system and method for detecting, identifying, classifying and/or quantifying chemical species in a gas flow using a micro-fabricated ion filter coupled to a system adapted to apply drive signals to the ion filter. Coupled to the ion filter is a system adapted to measure the output of the ion filter, which in turn is coupled to a system adapted to extract numerical parameters from the measured output of the ion filter to facilitate chemical detection, identification, classification and/or quantification of the gas flow.

Abstract: A method of mass analysis and a mass spectrometer are provided wherein a batch of ions is accumulated in a mass analyser; the batch of ions accumulated in the mass analyser is detected using image current detection to provide a detected signal; the number of ions in the batch of ions accumulated in the mass analyser is controlled using an algorithm based on a previous detected signal obtained using image current detection from a previous batch of ions accumulated in the mass analyser; wherein one or more parameters of the algorithm are adjusted based on a measurement of ion current or charge obtained using an independent detector located outside of the mass analyser.

Abstract: In accordance with an embodiment, a defect inspection apparatus includes an electron beam applying unit, a detection unit, a signal processing unit, and a control unit. The electron beam applying unit applies an electron beam to a semiconductor substrate on which first to N-th (N is a natural number equal to or more than 2) patterns are periodically provided. The patterns are respectively made of first to N-th materials in descending order of the emission amount of secondary electrons or reflected electrons. The detection unit detects the secondary electrons or reflected electrons from the patterns to output a signal. The signal processing unit processes the signal to form a potential contrast image of the patterns. The control unit acquires a potential contrast signal waveform including N signal waveforms respectively corresponding to the N patterns, analyzes the potential contrast signal waveform to acquire positional information to scan the desired pattern.

Abstract: Methods and apparatuses for inspecting a semiconductor device using electron beam are provided. The methods may include performing detection operations on a detection target pattern N times and determining a number of detection operations which have been performed until a maximum secondary electron amount of the detection target pattern is obtained. Each of the detection operations may include irradiating the detection target pattern with an electron beam, interrupting the irradiating and detecting a secondary electron amount of the detection target pattern after a detection waiting time has elapsed since the interrupting the irradiating.

Abstract: The invention relates to a method of forming an image of a sample in a transmission electron microscope equipped with a phase plate. Prior art use of such a phase plate can introduce artifacts in the form of ringing and a halo. These artifacts are caused by the abrupt changes in the Fourier domain due to the sharp edges of the phase plate in the diffraction plane. By moving the phase plate with respect to the non-diffraction beam (the diffraction pattern) while recording an image the sudden transition in the Fourier domain is changed to a more gradual transition, resulting in less artifacts.

Abstract: A system of investigating aberrations in a charged-particle lens system, which lens system has an object space comprising an object plane and an image space comprising an image plane, includes: Selecting a fixed pivot point on said object plane; Directing a charged-particle beam through said pivot point, entrance pupil and lens system and onto said image plane, said beam having a relatively small cross-sectional area relative to the area of the entrance pupil; Changing the orientation of said beam through said pivot point, so as to trace out an entrance figure on said entrance pupil and a corresponding image figure on said image plane; Registering said image figure; Repeating this procedure at a series of different focus settings of the lens system, thus acquiring a set of registered image figures at different focus settings; Analyzing said set so as to derive lens aberrations therefrom.

Abstract: There is provided an electron beam detector including an electron beam scatterer which is disposed at a predetermined distance below a shield including a plurality of openings formed therein, and a beam detection element disposed at a predetermined distance below the scatterer and configured to convert an electron beam into an electric signal. In the electron beam detector, the scatterer is disposed at an equal distance from any of the openings in the shield, and the beam detection element is disposed at an equal distance from any of the openings in the shield. Thus, the electron beam detector can suppress a variation in detection sensitivity depending on the position of the opening.

Abstract: A controlling assembly is disclosed, which is adapted to be disposed at a casing, in which the casing has an opening. The controlling assembly includes an infrared transmission module (IR transmission module), a pressing switch and a button. The IR transmission module is adapted to be disposed in the casing and corresponding to the opening. The pressing switch is adapted to be disposed in the casing. The button is adapted to be movably disposed on the casing and shield the opening, in which the button has transparency. The IR transmission module is adapted to transmit or receive infrared light via the opening and passing through the button and the pressing switch is able to be triggered by pressing the button. The invention also discloses an electronic device which includes a casing and a controlling assembly.

Abstract: A variable aperture mechanism (VAM) comprises a cam assembly, a single motor capable of rotating the cam assembly, and a pair of aperture members which are coupled to the cam assembly and arranged to affect the size of an aperture, with the size of the aperture varying with the position of the cam assembly. The VAM would typically be used with a sensor having an associated optical field-of-view (FOV), with the aperture members moving in and out of the FOV with the rotation of the cam assembly such that the aperture can be set to multiple f-numbers. A thermal link between the aperture members and a cryogenically-cooled surface ensures that the aperture members are also cryogenically-cooled.

Abstract: Provided is a lightweight infrared sensor which is readily and stably erected to a substrate. The infrared sensor includes an insulating film; a first and a second heat sensitive element are disposed on one surface of the insulating film separately; a first and second conductive film on one surface of the insulating film and are respectively connected to the first and the second heat sensitive element; and an infrared reflection film on the other surface of the insulating film so as to face the second heat sensitive element. The infrared sensor further includes a reinforcing plate on which a sensor part window corresponding to a sensor part is formed and which is adhered to the insulating film; and a first and a second terminal electrode are respectively connected to the first and the second wiring film, are formed on the edge of the insulating film.

Abstract: An apparatus for detecting electromagnetic radiation within a target frequency range is provided. The apparatus includes a substrate and one or more resonator structures disposed on the substrate. The substrate can be a dielectric or semiconductor material. Each of the one or more resonator structures has at least one dimension that is less than the wavelength of target electromagnetic radiation within the target frequency range, and each of the resonator structures includes at least two conductive structures separated by a spacing. Charge carriers are induced in the substrate near the spacing when the resonator structures are exposed to the target electromagnetic radiation. A measure of the change in conductivity of the substrate due to the induced charge carriers provides an indication of the presence of the target electromagnetic radiation.

Abstract: A short optical pulse generator which includes an optical pulse generation portion that has a quantum well structure and generates an optical pulse, a frequency chirp portion that has a quantum well structure and chirps a frequency of the optical pulse, and a group velocity dispersion portion that includes a plurality of optical waveguides disposed in a mode coupling distance and which causes a group velocity difference corresponding to a wavelength in the optical pulse of which the frequency is chirped.

Abstract: The present invention discloses an airflow-organization testing method for a clean room and a system using the same method, which are designed to solve the defects such as poor precision in the existing visual testing method. The airflow-organization testing method for a clean room according to the present invention uses a thermal imaging device to detect a sample gas-flow formed by a sample gas in the clean room, and the sample gas is a kind of gas, such as liquid nitrogen, dry ice or water vapor, with temperature difference from ambient air. The airflow-organization testing system for a clean room according to the present invention comprises a sample gas supplier and a thermal imaging device, wherein the thermal imaging device can continuously detect a spatial position of the sample gas and display it on a display.

Abstract: Readout integrated circuits (ROICs) for multi-band imagers, and related methods, are described. The ROICs may include multiple channels associated with the detectors of a photodetector array, with the different channels corresponding to different wavelength bands detected by the detectors. The ROICs may utilize capacitive transimpedance amplifier (CTIA) technology, and may implement time division multiplexing techniques.

Abstract: Disclosed herein are a system and corresponding method for sensing terahertz radiation. The system collects terahertz radiation scattered from a target and upconverts the collected radiation to optical frequencies. A frequency-domain spectrometer senses spectral components of the upconverted signal in parallel to produce a spectroscopic measurement of the entire band of interest in a single shot. Because the sensing system can do single-shot measurements, it can sense moving targets, unlike sensing systems that use serial detection, which can only be used to sense stationary objects. As a result, the sensing systems and methods disclosed herein may be used for real-time imaging, including detection of concealed weapons, medical imaging, and hyperspectral imaging.

Abstract: When light beams of two different wavelengths applied from an excitation light source are made incident on a nonlinear optical crystal having a unique nonlinear coefficient, the nonlinear optical crystal generates THz waves resulting from difference frequency generation according to the nonlinear coefficient that the crystal itself has and SHG waves in which the light beams of two different wavelengths have been wavelength converted in accordance with the nonlinear coefficient. The generated THz waves pass through or are reflected from a sample and are detected by a THz detector. The SHG waves are detected by a SHG detector. A control unit acquires THz measurement values T from the THz detector, acquires SHG measurement values S from the SHG detector, and uses baseline THz measurement values TB and baseline SHG measurement values SB acquired without the sample to perform baseline correction using (T/S)/(TB/SB).

Abstract: A contactless thickness measuring apparatus is provided which includes an terahertz transmitter configured to receive the first optical path signal from the coupler and to generate a terahertz continuous wave using the first optical signal and an applied bias; an optical delay line configured to delay the second optical path signal output from the coupler; and an terahertz receiver configured to receive the terahertz continuous wave penetrating a sample and to detect an optical current using the terahertz continuous wave and the second optical path signal delayed. A thickness of the sample is a value corresponding to the optical current which phase value becomes a constant regardless of a plurality of measurement frequencies.

Abstract: A method of nondestructive evaluation and related system. The method includes arranging a test piece (14) having an internal passage (18) and an external surface (15) and a thermal calibrator (12) within a field of view (42) of an infrared sensor (44); generating a flow (16) of fluid characterized by a fluid temperature; exposing the test piece internal passage (18) and the thermal calibrator (12) to fluid from the flow (16); capturing infrared emission information of the test piece external surface (15) and of the thermal calibrator (12) simultaneously using the infrared sensor (44), wherein the test piece infrared emission information includes emission intensity information, and wherein the thermal calibrator infrared emission information includes a reference emission intensity associated with the fluid temperature; and normalizing the test piece emission intensity information against the reference emission intensity.

Abstract: An active device (10) for viewing a scene, includes a light source (12) suitable for emitting electromagnetic radiation towards the scene to be viewed. The device (10) also includes a detector (14), and is configured to activate the detector so as to measure at least a portion of the electromagnetic radiation emitted by the light source and returned by the scene viewed. The electromagnetic radiation emitted by the light source (12) is infrared radiation at least partially included within a spectral band, referred to as the “viewing band”, the wavelengths of which are between 8 micrometers and 15 micrometers, and the detector (14) is designed to measure infrared radiation within the viewing band. Such an active viewing device (10) is particularly suited to viewing in foggy or rainy weather. A viewing method is also described.

Abstract: A method for tracking a moving target object, in particular a vehicle. The method involves identification the target object, marking the target object with a marking invisible in the visible spectrum but retro-reflective in a selected wavelength range of the invisible spectrum of light, tracking the marked moving target object with an image capture device provided on a moving platform, which image capture device is sensitive in the selected wavelength range of the invisible spectrum.

Abstract: A laser-based infrared countermeasure (IRCM) system is disclosed. The IRCM system includes a set of receive optics, a dichroic filter, first and second detectors, a lens module and a laser. Receive optics are configured to receive optical information. The lens module reflects the optical information from the receive optics to the dichroic filter. The dichroic filter selectively splits the optical information to the first and second detectors. The first and second detectors, each of which is formed by a single-pixel detector, detects a potential missile threat from the optical information. Based on information collected by the first and second detectors, the laser sends laser beams to neutralize any missile threat.