Microscope and method for fluorescence imaging microscopy
First Claim
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1. A microscope for fluorescence imaging microscopy, in particular for wide-field fluorescence microscopy, comprising:
- a pulsed light source sending excitation light via an objective to a sample;
an imaging detector receiving fluorescent light and scattered or reflected light from the sample via the objective; and
a synchronization unit, controllable by a computer, providing gating of the imaging detector in combination with the pulsed light source to synchronize the pulsed light source and the imaging detector to (1) suppress components of the scattered or fluorescent light, (2) allow evaluation of suitable fluorescence components of the fluorescent light, and (3) reject unsuitable fluorescence components of the fluorescent light,wherein the fluorescence components comprise photons and wherein a timestamp representing a time of arrival of each photon, or a record of a time of arrival of each signal waveform of an image pixel, is assigned to each photon or image pixel so as to decide in a downstream data processing unit whether each photon or image pixel is suitable for evaluation.
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Abstract
A microscope for fluorescence imaging microscopy, in particular for wide-field fluorescence microscopy, including a pulsed light source (1) and an imaging detector (11), is characterized in that means for gating are provided, and in that the gating causes the light source (1) and the detector (11) to be synchronized in order to suppress reflected/scattered light such that suitable fluorescence components are used for evaluation and unsuitable components are rejected. Furthermore, a method is used to perform fluorescence imaging microscopy using the microscope according to the present invention.
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Citations
17 Claims
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1. A microscope for fluorescence imaging microscopy, in particular for wide-field fluorescence microscopy, comprising:
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a pulsed light source sending excitation light via an objective to a sample; an imaging detector receiving fluorescent light and scattered or reflected light from the sample via the objective; and a synchronization unit, controllable by a computer, providing gating of the imaging detector in combination with the pulsed light source to synchronize the pulsed light source and the imaging detector to (1) suppress components of the scattered or fluorescent light, (2) allow evaluation of suitable fluorescence components of the fluorescent light, and (3) reject unsuitable fluorescence components of the fluorescent light, wherein the fluorescence components comprise photons and wherein a timestamp representing a time of arrival of each photon, or a record of a time of arrival of each signal waveform of an image pixel, is assigned to each photon or image pixel so as to decide in a downstream data processing unit whether each photon or image pixel is suitable for evaluation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method for fluorescence imaging microscopy, in particular for wide-field fluorescence microscopy, comprising:
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sending excitation light from a pulsed light source via an objective to a sample; receiving fluorescent light and scattered or reflected light at an imaging detector from the sample via the objective; and gating the imaging detector in combination with the pulsed light source to synchronize the pulsed light source and the imaging detector to (1) suppress components of the scattered or reflected light, (2) allow evaluation of suitable fluorescence components of the fluorescent light, and (3) reject unsuitable fluorescence components of the fluorescent light, wherein the fluorescence components comprise photons and wherein a timestamp representing a time of arrival of each photon, or a record of a time of arrival of each signal waveform of an image pixel, is assigned to each photon or image pixel so as to decide in a downstream data processing unit whether each photon or image pixel is suitable for evaluation.
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Specification