Proposed are a device and a method for inspecting an air void at a lead film of a battery to simply and accurately perform total inspection of a gap between a lead film and the lead tab boundary by using an OCT, wherein an object to be inspected in which the lead film is attached to a lead tab is conveyed through a conveying device, the conveyed object is gripped and loaded to an inspection position, the object is aligned to form an OCT focus on an interface between the lead tab and the lead film of the object, a gap inspection image between the lead tab and the lead film is obtained by scanning the interface between the lead tab and the lead film by using an OCT scanner above the inspection position, and the obtained gap inspection image is analyzed, thereby determining fusion quality of the lead film.

A classification training method for training classifiers adapted to identify specific mutations associated with different cancer including identifying driver mutations. First cells from mutation cell lines derived from conditions having the number of driver mutations are acquired and 3D image feature data from the number of first cells is identified. 3D cell imaging data from the number of first cells and from other malignant cells is generated, where cell imaging data includes a number of first individual cell images. A second set of 3D cell imaging data is generated from a set of normal cells where the number of driver mutations are expected to occur, where the second set of cell imaging data includes second individual cell images. Supervised learning is conducted based on cell line status as ground truth to generate a classifier.

Methods and apparatus are provided for imaging a response of a sample to radiative heating. A method in accordance with one embodiment has steps of: illuminating a first area of the sample with a radiative heating beam; illuminating a portion of the first area with a probe beam; collecting light exiting the sample due to interaction of the probe beam with the sample; superimposing the light exiting the sample with a reference beam derived from the probe beam, wherein the reference is characterized by an optical phase relative to the probe beam; detecting a spatial portion of the light exiting the sample and the reference beam with at least one detector to generate an interference signal; and processing the interference signal to obtain an image of the sample associated with absorption of the radiative heating beam.

An optoelectronic device may include an arrangement having a plurality of emitter elements configured to sequentially emit light of different wavelength ranges. The arrangement may include a plurality of time-of-flight detector elements configured to detect the light emitted by the emitter elements and reflected at a sample and to carry out a measurement for determining the distance of the reflection point of the light at the sample from the respective time-of-flight detector element. The device further includes an evaluation unit configured to generate a three-dimensional image of the sample for each wavelength range emitted by the emitter elements on the basis of the light detected by the time-of-flight detector elements and the distance of the reflection point of the light from the respective time-of-flight detector element and to determine the distribution of a substance in the sample from the images.

A surgical visualization feedback system is disclosed. The surgical visualization feedback system comprises an emitter assembly configured to emit electromagnetic radiation toward an anatomical structure. The emitter assembly comprises a structured light emitter configured to emit a structured light pattern on a surface of the anatomical structure and a spectral light emitter configured to emit spectral light capable of penetrating the anatomical structure. The surgical visualization feedback system further comprises a waveform sensor assembly configured to detect reflected electromagnetic radiation corresponding to the emitted electromagnetic radiation and a control circuit in signal communication with the waveform sensor assembly. The control circuit is configured to receive an input corresponding to a selected surgical procedure, determine an identity of a targeted structure within the anatomical structure based on the selected surgical procedure and the reflected electromagnetic radiation, and confirm the determined identity of the targeted structure through a user input.

A device for determining a layer thickness in a multilayer film includes a radiation source configured to generate an electromagnetic primary radiation, a detector configured to detect an electromagnetic secondary radiation emitted by the multilayer film, the secondary radiation being induced by an interaction of the primary radiation with the multilayer film, and a first contact block transparent to the electromagnetic primary radiation and having a first contact surface for creating contact with the multilayer film. The radiation source is arranged on the first contact block in such a way that the electromagnetic primary radiation is guided from the first contact block onto the multilayer film.

A parallel optical scanning inspection device, comprising a light source unit, an interference unit, a beam splitting unit, an optical path adjustment unit, a plurality of scanning units and a receiving unit. The light source unit provides initial light to an interference unit. The interference unit divides the initial light into reference light and sampling light. The beam splitting unit splits the sampling light into a plurality of sampling light beams. The optical path adjustment unit adjusts the plurality of sampling light beams into scanning light beams with different optical paths. Each of the scanning units receives one of the scanning light beams. A sample is scanned by the scanning light beams such that each of the scanning units receives detection light reflected or scattered from different positions of the sample. The receiving unit receives and coheres the reference light and the detection light, respectively, to generate optical information.

A method of measuring optical properties of a specimen, for example, a uniaxial specimen, includes generating a plurality of illumination patterns incident on the specimen and, for each of the plurality of illumination patterns, collecting sample light passing through the specimen and detecting the collected sample light using a polarization state analyzer to form a set of polarization channels. The method also includes receiving a calibration tensor, converting the set of polarization channels for each of the illumination patterns into Stokes parameter maps using the calibration tensor, and deconvolving the Stokes parameter maps to provide volumetric measurement of permittivity tensor of the specimen, specifically, absorption, optical path length, optical anisotropy, and 3D orientation of the specimen.

An image capture apparatus includes a light source, a modulator configured to modulate light irradiated from the light source to a target object, an imaging device configured to generate image data by capturing one or more images of the target object, and processing circuitry. The processing circuitry is configured to drive the modulator by a first modulation signal, the first modulation signal being for irradiating a first pattern, drive the modulator by a second modulation signal, the second signal being for irradiating a second pattern, wherein the first pattern and the second pattern are irradiated alternately, modulate reflected light from the target object, the reflected light from the target object being detected at a lock-in detector, and generate an image composed of image data from the reflected light of the plurality of localized illuminations.

A single-impulse panoramic photoacoustic computed tomography (SIP-PACT) system for small-animal whole-body imaging is disclosed. In addition, a dual-speed of sound image universal back-projection reconstruction method is disclosed. Further, a PACT system for imaging a breast of a subject is disclosed.