G02B21/245

MICROSCOPE AUXILIARY APPARATUS
20230041003 · 2023-02-09 ·

A microscope auxiliary apparatus attachable to a microscope includes an object movable portion for moving an object in an optical axis direction of the microscope, first and second operating unit movable portions for respectively moving, in the optical axis direction, first and second operating units for operating the object, a movement instructing unit for instructing the object movable portion or the first or second operating unit movable portions to move, and a switching unit for switching a mode to first and second modes. The first mode moves one of the movable portions in the optical axis direction according to an instruction from the movement instructing unit. The second mode links movements of at least two of the movable portions and moves the at least two in the optical axis direction according to the instruction from the movement instructing unit.

HIGH CONTENT IMAGING SYSTEM AND A METHOD OF OPERATING THE HIGH CONTENT IMAGING SYSTEM
20180003941 · 2018-01-04 ·

A high content imaging system and a method of operating the high content imaging system are disclosed. A microscope has a first objective lens and a second objective lens, and an objective lens database has first and second transformation values associated with the first and the second objective lenses, respectively. A microscope controller operates the microscope with the first objective lens to develop first values of acquisition parameters. A configuration module automatically determines second values of the acquisition parameters using the first values of the acquisition parameters, first transformation values associated with the first objective lens, and second transformation values associated with the second objective lens. The microscope controller operates the microscope using the second objective lens and the second values of the acquisition parameters.

DYNAMIC DETILT FOCUS TRACKING

Some implementations of the disclosure relate to an imaging system, including: a sample holder to support a sample container having multiple sample locations; an optical stage having; an assembly comprising one or more actuators physically coupled to the sample holder to tilt the sample holder relative to the optical stage during imaging of the multiple sample locations to focus the optical stage onto a current sample location; a first light source to project a first pair of spots on the sample container; and a controller to control, based on a sample tilt determined from a first separation measurement of the first pair of spots from one or more images taken by an image sensor at one or more of the sample locations, the one or more actuators to tilt the sample holder along a first direction of the imaging or a second direction substantially perpendicular to the first direction.

Method and device for adjusting the focus or determining the refractive index of a sample medium, non-volatile computer-readable storage medium and microscope
11561384 · 2023-01-24 · ·

A method for adjusting a focus of an optical system includes focusing measurement light in a sample space using an optical arrangement. The measurement light is transmitted on a sample side of the optical arrangement through at least one optical medium. The measurement light reflected by a reflector and transmitted through a further optical arrangement is detected using a detector arrangement. A working distance between the optical arrangement and the reflector is ascertained based on the measurement light detected by the detector, wherein a focus of the measurement light lies on the reflector for the working distance.

Autofocusing microscope objective

The invention relates to an autofocusable microscope objective having an optical system of a plurality of optical components each formed by a lens or lens group. Here, one of the plurality of optical components is a liquid lens to effect autofocusing of the microscope objective, and the optical system is formed as a stationary system.

SYSTEMS AND METHODS FOR MOTORIZED ADJUSTMENT OF OBJECTIVE LENS CORRECTION COLLAR
20230003964 · 2023-01-05 ·

A system for selectively adjusting an objective lens correction collar includes a gear ring sized and shaped to fit about a correction collar of an objective lens. The system also includes an adjustment mechanism that has a motor operably connected to a complementary gear configured to selectively engage and cause movement of the gear ring, thereby adjusting the correction collar.

COMPACT MICROSCOPE AUTO-FOCUS ASSEMBLY
20220390733 · 2022-12-08 ·

Methods and systems are provided for an auto-focus system for a microscope. In one example, a method for the auto-focus system includes focusing the microscope at a glass-specimen interface of a sample by passing a primary laser beam through a beamsplitting device to generate an additional, secondary laser beam that is a mirror image of the primary laser beam. A location of an objective may be triangulated along a longitudinal axis of the microscope based on a centroid of spectral intensities of each of the primary and secondary laser beams.

Method and microscopy system for recording an image

A method and microscopy system are useful for recording an image of a sample region. A laser beam is directed onto the sample region with interface(s). An objective lens facilitates images the laser beam on a focusing point which lies on the optical axis of the objective lens or an axis parallel thereto, and which lies in a focusing plane. The objective lens and the sample region are displaced with respect to one another in relative fashion along the optical axis of the objective lens to different relative displacement positions. Intensity values of the laser beam are captured for a respective relative displacement position. A respective highest intensity value for a respective displacement position, a curve of the highest intensity values, and a reference relative displacement position from at least one maximum of the curve, are determined. Image(s) of the sample region is/are captured at the reference relative displacement position.

Laser assisted autofocus
20220373767 · 2022-11-24 ·

An autofocus device is disclosed, including a focusing lens which is movable. A laser beam passes through the focusing lens toward a focal plane; and a detector collects laser scatter from a nonfocal position outside of the focal plane. The device determines, from the collected laser scatter, the nonfocal position of the scattering source, and moves the focusing lens, based on the determined nonfocal position, such that the scattering source is at an origin of the focal plane.

Surgical optical zoom system

Methods and systems for controlling a surgical microscope. Moveable optics of the surgical microscope are controlled using two sets of control parameters, to reduce jitter and image instability. Shifts in the image due to changes in temperature or due to the use of optical filter can also be compensated. Misalignment between the mechanical axis and the optical axis of the surgical microscope can also be corrected.