摘要:
An image can be prevented from becoming unclear over time during long-term observation. The invention provides a microscope apparatus including a specimen container for containing a specimen; an objective lens disposed opposite the specimen container for collecting light from the specimen in the specimen container; an immersion-liquid supplying unit for supplying immersion liquid to a space between the objective lens and the specimen container; and an immersion-liquid removing unit for removing the immersion liquid from the space between the objective lens and the specimen container. The immersion-liquid removing unit includes a nozzle for ejecting compressed air to the space between the objective lens and the specimen container.
摘要:
The invention provides a microscope apparatus, used for identifying the cell phases of a plurality of cells mounted on a stage, including an analysis/observation optical system used for acquiring an observed-image of the cells and a stimulus optical system used for applying an optical stimulus to prescribed cells. Using these optical systems, the cell phases of the cells mounted on the stage are identified, an optical stimulus is applied to the cells, and the state of the cells before and after applying the stimulus is observed.
摘要:
Provided is a laser scanning microscope with which it is possible to reduce the time required for scanning and to detect light from a sample with high sensitivity. Provided is a laser scanning microscope 100 including a stage 20 that moves a sample 19 placed thereon, a laser light source 1 that emits laser light L, a line-focus optical system 3 that focuses the laser light L into a line shape, a DMD 7 including a plurality of movable micromirrors that are arrayed in the lengthwise direction of the line and that reflect the line-focused laser light L, an irradiation optical system 2 that irradiates the sample 19 with the laser light L reflected by the DMD 7, and a photodetector 17 in which a plurality of channels for detecting light from the sample 19 are arrayed in one column, wherein the DMD 7 is driven so that a plurality of movable micromirrors simultaneously reflect the laser light L and so that the movable micromirrors that reflect the laser light L are sequentially switched, and the stage 20 moves the sample 19 in a direction crossing the array direction of a plurality of light spots formed on the sample 19.
摘要:
The invention provides a light-stimulus illumination apparatus comprising a light source for emitting light-stimulus laser light; a scanning unit including at least one acousto-optic device for scanning the light-stimulus laser light emitted from the light source in a direction intersecting an optical axis; and a control unit for controlling the scanning unit. The control unit controls the scanning unit so that the light-stimulus laser light irradiates a plurality of spatially separated regions in a time-division manner.
摘要:
A laser scanning microscope capable of quickly and accurately setting control values of control items for a microscope apparatus is provided. The control items and a time line are displayed along a vertical axis and a horizontal axis, respectively. The laser scanning microscope includes a graphical user interface configured to set the control values of the control items along the time line and a control unit configured to acquire luminance information of a specimen by irradiating the specimen with a laser beam in accordance with the control values set by the graphical user interface.
摘要:
A total internal reflection fluorescence microscope includes a light source which generates laser light having a plurality of wavelengths, a focal optical system which irradiates the laser light from the light source on a specimen at a predetermined incident angle via an objective lens and which generates evanescent illumination, a fluorescence observation unit which observes fluorescence generated from the specimen due to the evanescent illumination, an incident angle adjuster which adjusts the incident angle of the laser light irradiated on the specimen, and a controller which controls the incident angle adjuster such that the amount of the permeation depth of the evanescent light is the same when the wavelength of the laser light from the laser light source is switched.
摘要:
A confocal microscope comprises a light source emitting a polarized light beam, an objective lens irradiating the polarized light beam, which is deflected and scanned by the optical scanner, to the sample as an excitation light beam, a wavelength separator detecting a necessary wavelength band from a polarized fluorescence emitted from the sample which is excited by the polarized light beam, and a photodetector unit having a polarization property extractor extracting a fluorescence with a predetermined polarization property from the fluorescence detected with the wavelength separator, a wavelength selector selecting a wavelength of the fluorescence extracted by the polarization property extractor, and a photodetector detecting the fluorescence selected by the wavelength selector.
摘要:
A laser scanning microscope capable of quickly and accurately setting control values of control items for a microscope apparatus is provided. The control items and a time line are displayed along a vertical axis and a horizontal axis, respectively. The laser scanning microscope includes a graphical user interface configured to set the control values of the control items along the time line and a control unit configured to acquire luminance information of a specimen by irradiating the specimen with a laser beam in accordance with the control values set by the graphical user interface.
摘要:
The invention provides a multiphoton-excitation-type examination apparatus that efficiently generates a multiphoton-excitation effect, that makes the measurement head compact, and that can be easily adjusted when the measurement head is replaced. The multiphoton-excitation-type examination apparatus comprises a laser light source that oscillates ultrashort pulsed laser light; an optical fiber that transmits the ultrashort pulsed laser light from the laser light source; a support member; a measurement head supported on the support member so as to be movable upwards and downwards and at an angle, and having an optical system that irradiates a specimen with the ultrashort pulsed laser light transmitted by the optical fiber that measures fluorescence or reflected light coming from the specimen; and a dispersion-compensating member, in the measurement head, that compensates for group velocity dispersion of the ultrashort pulsed laser light irradiated onto the specimen.
摘要:
The invention provides an optical stimulation apparatus including a light source; a scanning unit that scans light from the light source; and an objective optical system that images the light scanned by the scanning unit onto a specimen. The scanning unit includes an acousto-optic device that varies the diffraction angle in response to a vibration frequency input thereto.