Abstract: A system and method are disclosed for configuring an integrated computational element (ICE) to measure a property of a sample of interest. The system includes an illumination source to provide a sample light which is reflected from or transmitted through a sample. A dispersive element disperses the sample light into wavelength portions. An intensity modulation device having an array of electronically controllable modulation elements is disclosed that forms a pattern which modulates the dispersed sample light. Collection optics focuses the modulated sample light on a detector, which generates a signal that correlates to a property of the sample. The electronically controllable modulation elements can be readily altered to conform to a different measurable property of a sample of interest as desired.

Abstract: Hydrocarbons concentrations are determined in drilling cuttings samples by generating a model for predicting hydrocarbons concentrations. Methods include dividing multiple samples removed from drilling fluid into two one set analyzed using a retort, and another set analyzed using a handheld NIR spectrometer to obtain NIR diffuse reflectance data. PLS analysis is used to correlate the retort data with the diffuse reflectance data to generate a calibration model. The model is validated with samples having unknown hydrocarbons concentration. The model is used to predict the hydrocarbons concentration for samples removed from drilling fluid taken from the rig site using the spectrometer to obtain diffuse reflectance data. During measurements, each sample contains 0.1 to 10 wt % moisture and each sample is in a clear container pressed against the spectrometer window such that the IR source from the handheld device can pass to the drilled solids sample within the clear container without opening the clear container.

Abstract: An apparatus for detecting a mark having first and second stripe groups on a substrate includes a detection module moveable over a surface of the substrate. The detection module includes a detection unit and a positioning unit configured to align the detection unit with the mark. The detection unit is configured to obtain data of the mark and operative to perform repeated acquisition operations on the first and second stripe groups of the mark. Each of the acquisition operations acquires data associated with the first stripe group or the second stripe group. The apparatus also includes a processing module configured to determine a positional deviation between the first stripe group and the second stripe group in response to the obtained data of the mark and data associated with a motion of the detection module.

Abstract: To determine a position of an object (100) parallel to the optical axis (120) of an optical device (1), the object (100) is illumined from a first illumination direction (210-1) and from a second illumination direction (210-2) and an image (230-1, 230-2) is acquired in each case. The position of the object (100) is determined based on a distance (250) between imaging locations of the object (220-1, 220-2) in the images (230-1, 230-2).

Abstract: An improved DNA sequencing system comprising a DNA sample holder residing on a stacked BSI global shutter image sensor illuminated by a pulsed laser for fluorescent illumination detection. The pulsed laser has on and off periods wherein during the laser on period a Fluorophore tag attached to a DNA sample is excited to produce fluorescence emission while the imaging system captures no illumination and during the off period the global shutter imaging system captures persistent fluorescent emission from the DNA sample and reads out an imaging signal.

Abstract: Disclosed is a method for acquiring and forming a spectrometry image, including the following steps: a) acquiring an initial structural image of an area of a sample; b) breaking down the initial structural image so as to determine a multi-scale spatial sample of the area of the sample; c) determining a plurality of spectrometry measurement positions in the area of the sample, as a function of the multi-scale spatial sampling determined in step b); d) consecutively, for each spectrometry measurement position determined in step c), positioning the excitation beam and acquiring a spectrometry measurement; and e) reconstructing a spectrometry image point-by-point from the spectrometry measurements acquired in step d).

Abstract: An apparatus includes a sample carrier having wells. Each of the wells has sides and a floor forming an interior. A surface enhanced Raman spectroscopy (SERS) structure is within the interior of each of the wells. A pneumatic port is connected to the interior of each of the wells. A pneumatic passage is connected to the pneumatic ports.

Abstract: A Raman probe includes: a first illuminating fiber and a second illuminating fiber that are arranged in series and that are formed of different materials from each other; a coupling optical system for optically coupling the first and second illuminating fibers; a light-collecting fiber that is formed of the same material as the second illuminating fiber and that collects Raman scattered light from an examination subject; and an optical filter that is disposed between the first and second illuminating fibers and that selectively transmits a laser beam being guided by the first illuminating fiber and, of Raman scattered light of the first illuminating fiber excited by the laser beam, Raman scattered light the amount of Raman shift of which is smaller than a predetermined amount of Raman shift in a Raman spectrum of the examination subject.

Abstract: The optical system comprises: means for introducing a controlled negative or positive chirp to an incoming ultrashort laser pulse to be characterized; a nonlinear optical medium through which said chirped ultrashort laser pulse is propagated, wherein as a result of said propagation: different chirp values are introduced in the ultrashort laser pulse at different propagation distances along the nonlinear optical medium, and a transverse nonlinear signal is generated in a direction perpendicular to the propagation axis; analyzing means configured for recording a single-shot spectral image of said generated transverse nonlinear signal; and a processing module comprising one or more processors configured to execute a numerical iterative algorithm to said single-shot spectral image to retrieve the electric field, amplitude and phase, of the ultrashort laser pulse.

Abstract: Provided is a position detection method including splitting detection light into first and second light, the first light being incident on a returning optical path, a portion of the first light being transmitted through a beam splitter and a remaining portion of the first light being reflected by the beam splitter to reach the beam splitter through a movable mirror every time the first light reaches the beam splitter through the movable mirror, combining the first light transmitted though the beam splitter and the second light to generate multiple interference light, extracting a second interference light signal having a wavelength of 1/p (p is a natural number) of a wavelength of detection light from a first interference light signal of the multiple interference light, and calculating a position of the movable portion in a predetermined direction based on the second interference light signal.

Abstract: A SERS unit comprises an integrally formed handling board and a SERS element secured within a container space provided in the handling board so as to open to one side in a thickness direction of the handling board. The SERS element has a substrate arranged on an inner surface of the container space and an optical function part formed on the substrate, for generating surface-enhanced Raman scattering.

Abstract: A particle analyzer is intended to accurately obtain an aspect ratio and a major axis length or a minor axis length of particles being dispersed in a dispersion medium.

Abstract: An apparatus for inspecting an integrated circuit is an apparatus for inspecting an integrated circuit having a semiconductor substrate and a circuit portion formed on a front face a side of the semiconductor substrate. The apparatus comprises a light generation unit for generating light L for irradiating the integrated circuit, a wavelength width adjustment unit, for adjusting the wavelength width of the light irradiating the integrated circuit, an irradiation position adjustment unit for adjusting the irradiation position of the light irradiating the integrated circuit, and a light detection unit for detecting the light from the integrated circuit when the light from the light generation unit irradiates the circuit portion through a rear face of the semiconductor substrate.

Abstract: A metrology apparatus has an illumination source that directs collimated light to a reference surface and to an optical component having a test surface that is in parallel with the reference surface. A first imaging lens defines a Fourier transform plane for light reflected from the reference surface and the test surface. A spatial filtering element is actuable to a blocking position that blocks specular light at the transform plane. A second imaging lens forms, at an image plane, an image of the test surface. A sensor array generates image data from received light at the image plane.

Abstract: A cylindrical package includes a cylindrical housing; a pedestal at a bottom of a cylindrical space surrounded by the cylindrical housing; an optical splitter in the cylindrical space and over the pedestal; a first photodetector in the cylindrical space and over the pedestal, wherein the first photodetector is configured to be optically coupled to the optical splitter; and a second photodetector in the cylindrical space and over the pedestal, wherein the second photodetector is configured to be optically coupled to the optical splitter.

Abstract: A method for creating a secure document, registering the secure document and verifying the authenticity of the secure document includes receiving a print object that has content. A security feature, including an identifier, is created and is associated with the content. The identifier may be a barcode. The barcode may represent a character string. The security feature may include the identifier barcode and a decoy barcode that is not associated with the content. The identifier barcode (or the character string represented by the barcode) and the content are transmitted to a database for storage. Once stored, the identifier and the content are considered to be registered. A print object that includes the security feature and the content is then transmitted to a printer for printing.

Abstract: A phase-resolved heterodyne shearing interferometer has been developed for high-rate, whole field observations of transient surface motion. The sensor utilizes polarization multiplexing and multiple carrier frequencies to separate each segment of a shearing Mach-Zehnder interferometer. Post-processing routines have been developed to recombine the segments by extracting the scattered object phase from Doppler shifted intermediate carrier frequencies, providing quantitative relative phase changes and information to create variable shear, phase resolved shearographic fringe patterns without temporal or spatial phase shifting.

Abstract: An apparatus for illuminating the surface of a material, comprising an illuminating device for illuminating the surface of the material with a calibrating light, a recording device for recording a measuring light, emitted by the surface of the material in response to the calibrating light, and a processor device for recording the spectral characteristic of the measuring light that characterizes a diffuse spectral reflectance of the surface of the material, wherein the illuminating device is configured to generate an illuminating light for illuminating the surface of the material that has a spectral characteristic that corresponds to the spectral characteristic of the measuring light.

Abstract: Provided is an optical probe that includes an optical waveguide having a core layer and a cladding layer formed so as to cover the core layer, and a support member that supports an end portion of the optical waveguide. In the core layer, an optical waveguide core and a diffraction grating are provided. The diffraction grating is provided at an end of the optical waveguide core, has an input/output surface through which light is output to the outside or input from the outside, and converts the optical axis direction in a range between a light propagation direction in which light is propagated through the optical waveguide core and the input/output direction of light to/from the input/output surface. The support member supports the diffraction grating in such a manner that the input/output surface faces toward a predetermined direction.

Abstract: Exemplary apparatus and methods are provided for analyzing a medium. The apparatus, which may be a diffusing wave spectroscopy apparatus, comprises a first beam splitter for splitting a light from the laser light source into an excitation light and a reference light. The excitation light is directed on to a first portion of the medium and then multiply scattered light is collected at a second portion of the medium, the second portion being different from the first portion. The reference light, which has been attenuated, is combined with the multiply scattered light and either a power spectrum or an autocorrelation function is calculated.