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US 10,484,631 B2Granted
Device for non-uniformity correction
AssigneeWavefront Research, Inc.
InventorThomas A. Mitchell
Life of this patent
Estimating the term…
Abstract
Optical systems that provide non-uniformity correction devices that are capable of providing low radiance level sources.
Claims39
An optical imaging system comprising:
- a first source of electromagnetic radiation;
- an optical subassembly having at least one optical element;
- said optical subassembly being configured to receive a portion of
- electromagnetic radiation from said first source;
- a detector;
- an environmental device configured to provide an operating environment suitable
- for said detector;
- said environmental device being configured to receive a portion of
- electromagnetic radiation from said optical subassembly;
- said detector being configured to receive a portion of electromagnetic radiation
- transmitted by said environmental device;
- a second source of electromagnetic radiation;
- said second source being disposed within the operating environment of said
- environmental device;
- said second source being configurable such that in a first configuration said second
- source is not optically disposed in front of said detector and in a second
- configuration said second source is optically disposed in front of said detector;
- and
- said detector being configured to receive electromagnetic radiation from the second
- source when said second source is in said second configuration.
17 more elements
An optical imaging system comprising:
- a detector;
- an environmental device capable of providing an operating environment suitable for said detector;
- said environmental device being configured to receive a portion of electromagnetic radiation from said detector;
- an optical subassembly having at least one optical element;
- said optical subassembly being configured to receive a portion of electromagnetic radiation from said environmental device;
- a source of electromagnetic radiation;
- a reflecting element;
- said reflecting element being optically disposed between said source and said optical subassembly;
- said reflecting element being configurable such that, in a first configuration,
- said reflecting element being configured to reflect a portion of electromagnetic radiation from said optical subassembly, and, in a second configuration said reflecting element is configured to transmit a portion of electromagnetic radiation from said source;
- said optical subassembly being configured to receive a portion of electromagnetic radiation reflected by said reflecting element in said first configuration;
- said optical subassembly being configured to receive a portion of electromagnetic radiation transmitted by said reflecting element in said second configuration;
- said environmental device being configured to receive a portion of electromagnetic radiation from said optical subassembly;
- and
- said detector being configured to receive a portion of electromagnetic radiation transmitted by said environmental device.
12 more elements
An optical imaging system comprising:
- a detector;
- an environmental device configured to provide an operating environment suitable for said detector;
- said environmental device being configured to receive a portion of electromagnetic radiation from said detector;
- an optical subassembly having at least one optical element;
- said optical subassembly being configured to receive a portion of electromagnetic radiation from said environmental device;
- a source of electromagnetic radiation;
- a configurable aperture;
- said configurable aperture being configured to receive a portion of
- electromagnetic radiation from said source;
- said optical subassembly being configured to receive a portion of electromagnetic transmitted by transmitted by said configurable aperture in a first configuration;
- said configurable aperture having at least one reflective surface;
- said configurable aperture being configured to reflect a portion of electromagnetic radiation from said optical subassembly in a second configuration;
- said optical subassembly being configured to receive a portion of electromagnetic radiation reflected by said configurable aperture;
- said environmental device being configured to receive a portion of electromagnetic radiation from said optical subassembly;
- and
- said detector being configured to receive a portion of electromagnetic radiation transmitted by said environmental device.
13 more elements
An optical imaging system comprising:
- a detector;
- an environmental device configured to provide an operating environment suitable for said detector;
- said environmental device being configured to receive a portion of electromagnetic radiation from said detector;
- a first optical subassembly having at least one optical element;
- said first optical subassembly being configured to receive a portion of electromagnetic radiation from said environmental device;
- said first optical subassembly having an entrance pupil;
- a second optical subassembly having at least one optical element;
- a source of electromagnetic radiation;
- said second optical subassembly being configured to reimage said entrance pupil to a location proximate to said source of electromagnetic radiation;
- a configurable optical element optically disposed between said second optical subassembly and said source;
- said configurable optical element being configured to receive a portion of electromagnetic radiation from said source;
- said second optical subassembly being configured to receive a portion of electromagnetic transmitted by said configurable optical element when said configurable optical element is in a first configuration;
- said configurable optical element being configured to reflect a portion of electromagnetic radiation from said second optical subassembly when said configurable optical element is in a second configuration;
- said second optical subassembly being configured to receive a portion of electromagnetic transmitted by said configurable optical element when said configurable optical element is in said first configuration and said second optical subassembly being configured to receive a portion of electromagnetic reflected by said configurable optical element when said configurable optical element is in said second configuration;
- said second optical subassembly being configured to reimage electromagnetic radiation from said configurable optical element to said entrance pupil;
- said first optical subassembly being configured to receive a portion of electromagnetic radiation reimaged by said second optical subassembly;
- said environmental device being configured to receive a portion of electromagnetic radiation from said first optical subassembly;
- and
- said detector being configured to receive a portion of electromagnetic radiation transmitted by said environmental device.
16 more elements
An optical imaging system comprising:
- a detector;
- an environmental device configured to provide an operating environment suitable for said detector;
- said environmental device being configured to receive a portion of electromagnetic radiation from said detector;
- a first optical subassembly having at least one optical element;
- said first optical subassembly being configured to receive a portion of electromagnetic radiation from said environmental device;
- said first optical subassembly having an entrance pupil;
- a second optical subassembly having at least one optical element;
- a source of electromagnetic radiation;
- said second optical subassembly being configured to reimage said entrance pupil to a location proximate to said source of electromagnetic radiation;
- a configurable optical element optically disposed between said second optical subassembly and said source;
- said configurable optical element being configured to receive a portion of electromagnetic radiation from said source;
- said second optical subassembly being configured to receive a portion of electromagnetic transmitted by said configurable optical element;
- said configurable optical element being configured to reflect a portion of electromagnetic radiation from said second optical subassembly;
- said second optical subassembly being configured to receive a portion of electromagnetic reflected by said configurable optical element;
- said second optical subassembly being configured to reimage electromagnetic radiation from said configurable optical element to said entrance pupil;
- said first optical subassembly being configured to receive a portion of electromagnetic radiation reimaged by said second optical subassembly;
- said environmental device being configured to receive a portion of electromagnetic radiation from said first optical subassembly;
- said detector being configured to receive a portion of electromagnetic radiation transmitted by said environmental device;
- a redirecting element;
- said redirecting element being optically disposed between said first optical subassembly and said second optical subassembly;
- said redirecting element being configured to being positioned to redirect electromagnetic radiation from said second optical subassembly to said first optical subassembly;
- said redirecting element being configured to also being positioned to block electromagnetic radiation from said second optical subassembly to said first optical subassembly.
19 more elements
An optical imaging system comprising:
- a detector;
- an environmental device configured to provide an operating environment suitable for said detector;
- said environmental device being configured to receive a portion of electromagnetic radiation from said detector;
- an optical subassembly having at least one optical element;
- said optical subassembly being configured to receive a portion of electromagnetic radiation from said environmental device;
- a configurable redirecting element;
- said configurable redirecting element being configured to being configurable to redirect a portion of electromagnetic radiation from said optical subassembly to said optical subassembly when said configurable redirecting element is in a first configuration;
- a source of electromagnetic radiation;
- said configurable redirecting element also being configured to being configurable to redirect a portion of electromagnetic radiation from said source to said optical subassembly when said configurable redirecting element is in a second configuration;
- said optical subassembly being configured to receive a portion of electromagnetic redirected by said configurable redirecting element;
- said environmental device being configured to receive a portion of electromagnetic radiation from said optical subassembly;
- and
- said detector being configured to receive a portion of electromagnetic radiation transmitted by said environmental device.
10 more elements
An optical imaging system comprising:
- a first source of electromagnetic radiation;
- an optical subassembly having at least one optical element;
- said optical subassembly being configured to receive a portion of electromagnetic radiation from said first source;
- a detector;
- an environmental device configured to provide an operating environment suitable for said detector;
- said environmental device being configured to receive a portion of electromagnetic radiation from said optical subassembly;
- said detector being configured to receive a portion of electromagnetic radiation transmitted by said environmental device;
- a second source of electromagnetic radiation;
- said second source being disposed within the operating environment of said environmental device;
- said second source being configurable such that in a first configuration said second source is transmitting and in a second configuration said second source is opaque;
- and
- said detector being capable of receiving electromagnetic radiation from the second source.
9 more elements
An optical imaging system comprising:
- a first source of electromagnetic radiation;
- an optical subassembly having at least one optical element;
- said optical subassembly being configured to receive a portion of electromagnetic radiation from said first source;
- a detector;
- an environmental device configured to provide an operating environment suitable for said detector;
- said environmental device being configured to receive a portion of electromagnetic radiation from said optical subassembly;
- said detector being configured to receive a portion of electromagnetic radiation transmitted by said environmental device;
- a second source of electromagnetic radiation;
- said second source being disposed within the operating environment of said environmental device;
- said second source being configurable such that in a first configuration said second source is transmitting and in a second configuration said second source is reflective;
- and
- said detector being configured to receive electromagnetic radiation from the second source.
9 more elements
Dependencies are inferred from the claim text.