G02B21/00

REFLECTIVE FOURIER PTYCHOGRAPHY IMAGING OF LARGE SURFACES

Various embodiments include reflective-mode Fourier ptychographic microscope (RFPM) apparatuses and methods for using the RFPM. In one example, the RFPM includes a multiple-component light source configured to direct radiation to a surface. The multiple-component light source has a number of individual-light sources, each of which is configured to be activated individually. The RFPM further includes collection optics to receive radiation reflected and scattered or otherwise redirected from the surface, and a sensor element to convert received light-energy from the collection optics into an electrical-signal output. Other apparatuses, designs, and methods are disclosed.

DEVICE FOR VISUALIZATION OF COMPONENTS IN A BLOOD SAMPLE
20220412871 · 2022-12-29 · ·

A device (100) for visualization of one or more components in a blood sample is disclosed. In one aspect, the device (100) includes an imaging module (110), wherein the imaging module (110) includes a controllable illumination source (102) capable of emitting light in plurality of discrete angles; a tube lens (105); one or more objective lens (104); and an image capturing module (106). Additionally, the device (100) includes a channel (103) configured to carry the blood sample, wherein the channel (103) is capable of sorting the one or more components in the blood sample.

SPECTROSCOPIC MICROSCOPE WITH CHANGEABLE OPTICS/COMPONENTS

A modular microscope can quickly be modified for specific scanning applications. The microscope includes a microscope main body which has slots into which long pass filter modules, dichroic mirror modules, notch filter modules, and LED modules can be selectively placed, removed, and changed out. In some applications, the interchangeable components permit quickly changing between Photoluminescence (PL) and Raman spectroscopy (microscope) systems.

Multi-spot scanning device, system and method

A confocal microscope device for scanning a two-dimensional array of illumination beams over a target surface and scanning a corresponding two-dimensional array of emission beams stimulated by the array of illumination beams on to a sensor of an imaging device. The device comprises first scanning optics operable to scan the array of illumination beams over the target surface along a first axis and scan the array of emission beams over the sensor along the first axis. The device further comprises second scanning optics operable to deflect, on a second axis, the array of illumination beams as they are scanned over the target surface along the first axis, such that uneven stimulation of the target surface by the array of illumination beams due to interference of the illumination beams is reduced, and deflect, on the second axis, the array of emission beams as they are scanned over the sensor of the imaging device along the first axis such that uneven stimulation of the sensor by the array of emission beams due to interference of the emission beams is reduced.

Laser emission based microscope

Laser emission based microscope devices and methods of using such devices for detecting laser emissions from a tissue sample are provided. The scanning microscope has first and second reflection surfaces and a scanning cavity holding a stationary tissue sample with at least one fluorophore/lasing energy responsive species. At least a portion of the scanning cavity corresponds to a high quality factor (Q) Fabry-Pérot resonator cavity. A lasing pump source directs energy at the scanning cavity while a detector receives and detects emissions generated by the fluorophore(s) or lasing energy responsive species. The second reflection surface and/or the lasing pump source are translatable with respect to the stationary tissue sample for generating a two-dimensional scan of the tissue sample. Methods for detecting multiplexed emissions or quantifying one or more biomarkers in a histological tissue sample, for example for detection and diagnosis of cancer, or other disorders/diseases are provided.

Microscope system and method for controlling a surgical microscope

Method for automatically setting at least a unit parameter for a medical unit or unit part with parameter values relating to a particular user. According to the method, a user is identified, a corresponding parameter set is selected and unit parameters are set with the selected parameter set. The preceding steps are only implemented when an authentication signal for activating the identification, selection and setting processes is received or present. The authentication signal can be based on use of a user priority database. The invention also relates to a corresponding medical unit and medical system.

Method for digitally correcting an optical image of a sample by means of a microscope, and microscope

A method is useable for digitally correcting an optical image of a sample by a microscope that has a cover slip covering the sample. The method includes: determining, by the microscope, an index of refraction of an optical medium bordering the cover slip, a tilt of the cover slip, and/or a thickness of the cover slip; ascertaining an imaging error to be corrected in the form of a pupil function based on the index of refraction of the optical medium, the tilt of the cover slip, and/or the thickness of the cover slip; carrying out imaging of the sample by the microscope; and digitally correcting image data captured by the imaging of the sample based on the pupil function.

Image generating device

An optical device may include an optical fiber having a fixed end and a free end; a first actuator positioned at a actuator position between the fixed end and the free end and configured to apply a first force on the actuator position of the optical fiber such that a movement of the free end of the optical fiber in a first direction is caused, wherein the first direction is orthogonal to a longitudinal axis of the optical fiber; and a deformable rod disposed adjacent to the optical fiber, and having a first end and a second end, wherein the first end is connected to a first rod position of the optical fiber and the second end is connected to a second rod position of the optical fiber.

Microscope and method for generating an image pieced together from a plurality of individual microscope images
11536943 · 2022-12-27 · ·

The present invention initially relates to a method for generating an image of a sample, said image being pieced together from a plurality of individual microscope images. A microscope is provided, for which a measurement value of a twist angle (δ) present between an image recording unit of the microscope and an object stage of the microscope and a measurement accuracy of this measurement value are known. There is a recording of a first individual microscope image of the sample using the microscope and a displacement of the image recording unit and the sample-supporting object stage relative to one another, whereupon a second individual microscope image (02) of the sample is recorded using the microscope. A search region is determined in the second or first individual microscope image, an overlap region between the individual microscope images being expected in said search region.

Imaging systems with angled sensors and related methods

Diffraction-based imaging systems are described. Aspects of the technology relate to imaging systems having one or more sensors inclined at angles with respect to a sample plane. In some cases, multiple sensors may be used that are, or are not, inclined at angles. The imaging systems may have no optical lenses and are capable of reconstructing microscopic images of large sample areas from diffraction patterns recorded by the one or more sensors. Some embodiments may reduce mechanical complexity of a diffraction-based imaging system. A diffractive imaging system comprises a light source, a sample support configured to hold a sample along a first plane, and a first sensor comprising a plurality of pixels disposed in a second plane that is tilted at an inclined angle relative to the first plane. The first sensor is arranged to record diffraction images of the light source from the sample.