Abstract: A cover film for testing which can be well fixed to a substrate having a groove and with which a material that constitutes an adhesive layer does not invade into the groove and a specimen can be easily stored in the groove, providing a testing member including the cover film for testing, and providing a method of manufacturing the cover film for testing. The cover film for testing comprises a base material, a hydrophilic coating layer laminated on a surface of the base material, and an adhesive layer partially laminated on a surface of the hydrophilic coating layer opposite to the base material, whereby the cover film for testing has a region in which the adhesive layer is absent and the hydrophilic coating layer is exposed.

Abstract: An optical coherence tomography (OCT) system and method for cross view imaging using at least two B-scan images transformed and coupled to each other at an angle to generate a cross view image.

Abstract: An encoder includes an optical component and an enclosing device having a first surface portion and a second surface portion. The first surface portion is arranged to receive from an ambient environment a first radiation beam. The second surface portion is arranged to receive from the ambient environment a second radiation beam. The optical component is arranged to combine the first and second radiation beams. The enclosing device is arranged to propagate the first radiation beam along a first path. The first path is between the first surface portion and the optical component. The enclosing device is arranged to propagate the second radiation beam along a second path. The second path is between the second surface portion and the optical component. The enclosing device is arranged to enclose a space, so as to isolate the first path and the second path from the ambient environment.

Abstract: An analyzer includes an acquirer configured to acquire color information on visible light and at least one of ultraviolet light and infrared light from image data, a memory configured to store reference data on the color information, and a determiner configured to determine characteristic data of an object in the image data based on the color information, the reference data, and an image capturing condition information. The image capturing condition information contains information on a spectral characteristic of illumination light in image capturing, and a spectral sensitivity curve of an image sensor and information on a spectral transmittance of an image capturing optical system.

Abstract: Provided is a fast parallel optical coherence tomographic image generating method including dispersing light into N spectral regions ??1 through ??N sequentially from a low frequency wavelength to a high frequency wavelength, the light being emitted from a broadband light source of a fast parallel optical coherence tomographic image generating apparatus, N being an integer greater than or equal to 2, splitting the light emitted from the broadband light source to be incident on a sample and a reference mirror, partitioning the sample into N image regions P1 through PN, discretely controlling a beam scanner such that the light emitted from the broadband light source is incident on the sample at a position changed by a preset distance, acquiring an interference spectral image through interference light formed in response to interference of measurement light and reference light, and generating a tomographic image of the sample using the interference spectral image.

Abstract: An optoelectronic device is disclosed, comprising: a photodiode array including a plurality of first photodiodes, each first photodiode including a respective n+ region and a respective n-well region; a guide array disposed over the photodiode array, the guide array including a plurality of guide members separated from one another by a layer of light-blocking material, the guide members being aligned with the n+ regions of the first photodiodes, such that each guide member is disposed over a different respective n+ region, and the layer of light-blocking material being aligned with the n-well regions of the first photodiodes; and a filter array disposed over the guide array, the filter array including a plurality of bandpass filters, each bandpass filter being aligned with a different one of the plurality of guide members, each bandpass filter having a different transmission band.

Abstract: The invention relates to a method for determining the distance to a movable target object and/or the position of said movable target object and comprises the steps of directing a coherent, focused measurement beam at the spherical target object, which has a convex reflective surface, in such a way that the center of the target object lies at the focus of the measurement beam, and determining a distance between the target object and a reference point by interferometrically superposing the measurement beam reflected by the target object with a reference beam.

Abstract: Methods of performing dual-comb interferometry using a dual-comb interferometer and methods of characterizing a volume using dual-comb interferogram data are described.

Abstract: Embodiments provide an integrated miniature polarimeter and spectrograph (IMPS) and associated methods for using an IMPS to determine Stokes parameters to describe a source beam. In one embodiment an IMPs is provided comprising a spectropolarimeter module. The spectropolarimeter module comprises a miniature optical bench; a slit component; a birefringent wedge; a dichroic prism; a spectral disperser; and a focal plane array. The slit component, birefringent wedge, dichroic prism, spectral disperser, and focal plane array are mounted to the miniature optical bench such that a beam incident on the slit component will be incident on (1) the birefringent wedge, (2) the dichroic prism, (3) the spectral disperser, and (4) the focal plane array, in that order.

Abstract: A slit slider assembly for providing a plurality of slits. The slit slider assembly includes: a holder including a first channel and a pair of set screws that each has a ball partially extruding into the first channel; and a slit carrier assembly configured to be slidably disposed in the first channel and carry a slit mask that includes a plurality of slits, the slit carrier assembly including a plurality of dimples for receiving a portion of the ball. When the balls of the pair of set screws engage two dimples of the plurality of the dimples, the holder is configured to pass light through one of the plurality of slits that corresponds to the two dimples.

Abstract: One variation of a method for measuring ambient ultraviolet light radiation including: calculating a target direct orientation of a light exposure device based on a location, a current date and time, and a direct solar position model; calculating a target diffuse orientation of the light exposure device based on the location, the current date and time, and a diffuse solar position model; in response to detecting alignment between orientation of the light exposure device and the target direct orientation, recording a direct ultraviolet value; in response to detecting alignment between orientation of the light exposure device and the target diffuse orientation, recording a diffuse ultraviolet value; in response to detecting alignment between orientation of the light exposure device and a target global orientation, recording a global ultraviolet value; and calculating an ultraviolet index based on the global ultraviolet value, the direct ultraviolet value, and the diffuse ultraviolet value.

Abstract: A stimulated Brillouin scattering (SBS) gyroscope comprises a resonator; a first laser in communication with the resonator and configured to emit a first optical signal propagating in a first direction, the first optical signal producing a first SBS signal counter-propagating in a second direction; a second laser in communication with the resonator and configured to emit a second optical signal propagating in the first direction, the second optical signal producing a second SBS signal counter-propagating in the second direction; a third laser in communication with the resonator and configured to emit a third optical signal propagating in the second direction, the third optical signal producing a third SBS signal counter-propagating in the first direction. At least one photodetector is coupled to the resonator and receives the SBS signals, which are combined in the photodetector to produce electrical signals that include rotational rate information encoded in frequencies of the electrical signals.

Abstract: A method for detecting and counting particles suspended in fluids, such as bacteria suspended in urine, utilizing dynamic features of the suspended particles and employing light scattering measurements. The disclosed method is suitable for determining the susceptibility of bacteria to antibiotics. A cuvette for detecting bacteria in fluids, which is especially suited for the light scattering measurements, is provided.

Abstract: [Problems] Objects include providing a cover film for testing which can be well fixed to a substrate having a groove and in which a pressure sensitive adhesive does not invade into the groove, providing a testing member comprising the cover film for testing, and providing a method of manufacturing the cover film for testing. [Solution] The cover film for testing (1, 2) comprises a base material (10) and a pressure sensitive adhesive layer (20) laminated on one surface side of the base material (10). The cover film for testing (1, 2) has a region in which the pressure sensitive adhesive layer (20) does not exist in the plan view.

Abstract: A sample shape measuring method includes a step of preparing illumination light passing through a predetermined illumination region, a step of applying the illumination light to a sample, and a predetermined processing step. The predetermined illumination region is set so as to include an optical axis at a pupil position of an illumination optical system. Light transmitted through the sample is incident on the observation optical system. The predetermined processing step includes a step of receiving light emerged from the observation optical system, a step of obtaining a quantity of light of the received light, a step of calculating a difference or a ratio between the quantity of light and a reference quantity of light, and a step of calculating an amount of tilt in a surface of the sample from the difference or the ratio.

Abstract: Disclosed is an optical coherence tomography scanner and a method for recording sub-surface scans of an object, wherein a position encoder is arranged in the path of the probing beam of an interferometric system. The encoder pattern is detected in a sequence of A scans at generated for different probing beam positions on the scanned object, the probing beam position and/or inclination for at least one A scan of said sequence of A scans is deducing based on the detected encoder pattern, and the sub-surface scan of the object is generated based on the sequence of A scans taking into account the deduced probing beam position and/or inclination.

Abstract: Provided is a monitoring device having a control part for monitoring, wherein the control part for monitoring has a first data processing part, a second data processing part, and an indication value output part. The first data processing part generates, as indication values for optical axis adjustment, the first indication value showing the intensity of a light-receiving signal obtained from the particle analysis apparatus. The second data processing part generates, as indication values for gain adjustment of the light-receiving signal, the second indication value showing the intensity of a light-receiving signal obtained from the particle analysis apparatus, which is different from the aforementioned first indication value. The indication value output part outputs the first and second indication values to a display device.

Abstract: Described herein is a method and system for mitigating the effects of speckle in a laser Doppler system, and, in particular in a laser Doppler vibrometry/velocimetry system. A scan unit is provided in at least one of: a transmit path for scanning at least one beam from a transmitting antenna over a moving target surface and a receive path for scanning at least one reflected beam received from the moving target surface onto a receiving antenna. An averaging unit is provided prior to post-processing or demodulation to average electrical signals corresponding to the reflected beams. By averaging before demodulation, speckle in the output signal is mitigated.

Abstract: An optical detection device includes a light source emitting a light beam whose electromagnetic field, a means adapted to divide the beam into a first beam defining a first reference pathway and a second beam defining a second sample pathway, a modulation system frequency-shifting the electromagnetic fields of the two beams, a beam coupler adapted to collect the beams, an optical detection system adapted to detect the signal arising from the interference between the beams and coupled via the coupler, the sample being placed in the sample pathway, the optical detection system comprising an optical detector and a device adapted to measure the amplitude and the phase of the signal, an opaque screen comprising an optical aperture is placed at the level of a zone of a sample, in proximity to the sample, in the sample pathway.

Abstract: Devices and methods are disclosed that allow for analysis with simplified sample preparation. Of particular relevance is the analysis of wire samples (e.g., weld wires) using laser induced breakdown spectroscopy (LIBS) or optical emission spectrometry (OES). Representative devices can isolate a sample, such as in a sealed, inert environment in an analytical instrument. These devices may include first and second sample end attachments connected to a body, which has a connecting portion that may be configured for alignment with the face of the instrument. The body may also include a rotatable cap, and the sample end attachments may be joined to this cap (e.g., at opposite ends thereof) to allow adjustment of the angular position of the sample, relative to the connecting portion, which in use may be affixed to the instrument.