Optical: systems and elements – Compound lens system – Microscope
Reexamination Certificate
2006-12-18
2008-12-23
Amari, Alessandro (Department: 2872)
Optical: systems and elements
Compound lens system
Microscope
C250S458100
Reexamination Certificate
active
07468837
ABSTRACT:
According to one aspect of the invention, a wide-field microscope includes a stage configured to hold a specimen having a fluorescent material therein, and a multi-photon excitation light source configured to produce a substantially parallel beam of excitation light having a single photon energy less than an absorption energy required for single photon excitation of the fluorescent material. An infinity corrected objective is optically coupled to the multi-photon excitation light source and configured to focus the substantially parallel beam of excitation light onto the specimen such that multi-photon excitation of the fluorescent material simultaneously occurs over a predetermined area of the specimen. A focus lens is configured to focus emission light emitted from the predetermined area of the specimen onto at least two pixels of an image detector simultaneously. A focus lens is configured to focus emission light emitted from the predetermined area of the specimen onto an image plane, such that the image plane can be viewed through a binocular eyepiece or an imaging array detector.
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Amari Alessandro
Celloptic, Inc.
Consilvio Mark
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
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