Imaging instrument having objective axis and light sheet or light beam projector axis intersecting at less than 90 degrees
First Claim
Patent Images
1. An microscope comprising:
- an imaging component, with an imaging objective, and a first light sheet projector located on a same side of a sample region;
the imaging objective and first light sheet projector having respective axes that intersect in the sample region at an angle of less than 90 degrees;
a sample support positioned to hold a sample in said sample region;
the first light sheet projector having light scanning and focusing optics to permit the selection of an axial position of a light sheet beam waist and the selection of a position of the light sheet along an axis perpendicular to the light sheet propagation direction;
a controller connected to control the light scanning and focusing optics to translate the beam waist along a linear path;
the imaging objective optical axis being perpendicular to said linear path.
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Abstract
Light Sheet Theta (LS-0) Microscopy achieves large sample imaging capabilities without affecting the imaging depth or the image quality. An optical layout places a detection objective normal to the sample surface, while placing the illumination objectives that generate light sheets at an angle (theta) significantly smaller than 90 degrees. In this configuration, the light sheets enter from same side of the sample as the detection objective. The intersection of the light-sheet and the detection focal plane results in a line illumination-detection profile that is discriminated by a camera.
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Citations
21 Claims
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1. An microscope comprising:
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an imaging component, with an imaging objective, and a first light sheet projector located on a same side of a sample region; the imaging objective and first light sheet projector having respective axes that intersect in the sample region at an angle of less than 90 degrees; a sample support positioned to hold a sample in said sample region; the first light sheet projector having light scanning and focusing optics to permit the selection of an axial position of a light sheet beam waist and the selection of a position of the light sheet along an axis perpendicular to the light sheet propagation direction; a controller connected to control the light scanning and focusing optics to translate the beam waist along a linear path; the imaging objective optical axis being perpendicular to said linear path. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An imaging instrument, comprising:
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a microscope with an objective having an optical axis; a first light beam projector with imaging optics separate from said microscope positioned to direct a beam of light that crosses said optical axis at an angle of less than 90 degrees, wherein the objective and the light beam projector are located on a same side of a sample volume; and the first light beam projector forming a sheet having a beam waist in the form of a line of maximum intensity; the first light beam projector having a scanning mechanism that scans the line of maximum intensity through a range of positions along a scan direction perpendicular to the line of maximum intensity. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification