G02B21/0036

IMAGING METHOD, AND SYSTEM, FOR OBTAINING A SUPER-RESOLUTION IMAGE OF AN OBJECT

Method for obtaining an super-resolution image (22) of an object (5), based upon an optical microscope (21) including a support plate (6) for bearing the object, an illumination source (1) for focusing an illumination beam (14) onto a target region of the support plate, a digital camera (9) including a matrix of sensors, comprising: capturing, by the digital camera, a first image of the target region; extracting, from the first image, a first block of pixel values provided by a sub-matrix (B.sub.0) of the matrix of sensors; displacing, by a sub-diffraction limited distance, the support plate by the displacement block along a displacement axis; capturing, by the digital camera, a second image of the target region; extracting, from the second image, a second block of pixel values provided by the sub-matrix (B.sub.0) of the matrix of sensors; storing said first and second blocks of pixel values as a first and second blocks of pixel values to be placed right next each other in the super-resolution image along the image axis (X, Y) corresponding to the displacement axis.

Gabor domain optical coherence elastography

a) A Gabor domain optical coherence microscopy (GD-OCM) system providing high resolution of structural and motion imaging of objects such as tissues is combined with the use of reverberant shear wave fields (RevSW) or longitudinal shear waves (LSW) and two novel mechanical excitation sources: a coaxial coverslip excitation (CCE) and a multiple pronged excitation (MPE) sources providing structured and controlled mechanical excitation in tissues and leading to accurate derivation of elastographic properties. Alternatively, general optical computed tomography (OCT) is combined with RevSW or LWC in the object to derive elastographic properties. The embodiments include (a) GD-OCM with RevSW; (b) GD-OCM with LSW; (c) General OCT with RevSW; and General OCT with LSW.

SAMPLE OBSERVATION DEVICE AND SAMPLE OBSERVATION METHOD
20230184681 · 2023-06-15 · ·

In this sample observation device, a reference table in which an optimum light amount of planar light at a measurement sensitivity represented by the product of a light amount of the planar light and a scanning speed is set according to the scanning speed is referred to, and the scanning speed of a scanning unit and the optimum light amount of the planar light that is applied to a sample are determined on the basis of the measurement sensitivity selected by a user.

Scanning luminescence light microscope with gratings of luminescence inhibition light and further light

A scanning luminescence light microscope for spatial high resolution imaging a structure marked with a luminescent marker comprises a light source for luminescence inhibition light and for further light; a light shaping and aligning device; and a detector registering luminescence light emitted by the luminescent marker. The device, by means of two optical gratings and an objective lens, forms two crossing line gratings of the luminescence inhibition light, and two crossing line gratings of the further light so that local intensity minima of an overall intensity distribution of the luminescence inhibition light are delimited in at least two directions, and that local intensity maxima or local intensity minima of an overall intensity distribution of the further light coincide with the local intensity minima of the luminescence inhibition light. Further, the device moves the overall intensity distributions of the further light and the luminescence inhibition light to scan the structure.

Scanning infrared measurement system
11674882 · 2023-06-13 · ·

An analyzer of a component in a sample fluid includes an optical source and an optical detector defining a beam path of a beam, wherein the optical source emits the beam and the optical detector measures the beam after partial absorption by the sample fluid, a fluid flow cell disposed on the beam path defining an interrogation region in the a fluid flow cell in which the optical beam interacts with the sample fluid and a reference fluid; and wherein the sample fluid and the reference fluid are in laminar flow, and a scanning system that scans the beam relative to the laminar flow within the fluid flow cell, wherein the scanning system scans the beam relative to both the sample fluid and the reference fluid.

Spatial Light Modulator Based Hyperspectral Confocal Microscopes and Methods of Use
20170343784 · 2017-11-30 ·

Systems and methods for confocal imaging are described. In one implementation, a confocal imaging system may include a light source configured to emit excitation light having one or more wavelengths, a sample holder configured to hold a sample, a two-dimensional (2-D) imaging device, a first set of optical elements, and a second set of optical elements. The first set of optical elements may include a first spatial light modulator (SLM) and at least one lens. The first set of optical elements may together be configured to collimate the excitation light, apply a predetermined phase modulation pattern to the collimated excitation light, and illuminate the sample in an excitation pattern.

METHOD FOR ACCELERATED MICROSCOPY OF LARGE SAMPLES
20230168479 · 2023-06-01 ·

A method for acquiring microscope-images of sample being larger than a field of view of a microscope, the method comprising creating a continuous relative movement between a sample and the microscope, wherein the optical axis of a microscope objective is substantially perpendicular to the vector of the relative movement, illuminating a part of the sample through the microscope objective, wherein the illuminated part of the sample is smaller than the field of view and forms an illumination slit, moving the illumination slit in a scanning direction across the field of view, and detecting light from the sample collected by the microscope objective, wherein the sample is moved in the same direction as the scanning direction or in a direction perpendicular to the scanning direction while the illumination slit is moved across the field of view.

METHOD AND SYSTEM FOR MULTI-VIEW EPISCOPIC SELECTIVE PLANE ILLUMINATION MICROSCOPE
20230168484 · 2023-06-01 ·

A method of performing imaging includes operating a light sheet projection module in a first state during a first measurement process and using a first primary objective for illumination of a specimen using a light sheet and detection of a first fluorescent emission. The method also includes operating the light sheet projection module in a second state during a second measurement process and using a second primary objective for illumination of the specimen using the light sheet and detection of a second fluorescent emission.

Microscope Having Low Distortion Aberration

Beam deflection units in light-scanning microscopes are usually arranged in planes that are conjugate to the objective pupil. The scan optics, which is required for generating the conjugate pupil planes, is complicated and not very light efficient. The invention is intended to enable a higher image quality, simpler adjustment and a lower light loss microscope.

The optical system comprises a concave mirror (36) for imaging a respective point of the first and second beam deflection units (30A, 30B) onto one another. The concave mirror (36), the first beam deflection unit (30A), and the second beam deflection unit (30B) are arranged such that the illumination beam path is reflected exactly once at the concave mirror (36). A first distortion caused by the concave mirror (36) and a second distortion of the imaging caused by the first and second beam deflection units (30A, 30B) at least partly compensate for one another.

PHASE MODULATION DEVICE AND LASER MICROSCOPE
20170302498 · 2017-10-19 ·

The phase modulation device 3 includes a first phase modulation element 11 which modulates a phase of a light flux in accordance with a voltage applied to each of a plurality of first electrodes in accordance with a first ratio of a second aberration component to a first aberration component of a wave front aberration generated by an optical system including an objective lens 4; a second phase modulation element 12 which modulates a phase of a light flux in accordance with a voltage applied to each of a plurality of second electrodes in accordance with a second ratio of the second aberration component to the first aberration component; and a control circuit 13 which controls voltages applied to each of first electrodes and each of second electrodes in accordance with a distance from the objective lens to a light focusing position of the light flux.