| Patent Number |
Title Of Patent |
Date Issued |
| 7554732 |
Wavefront coded imaging systems |
June 30, 2009 |
| A singlet imaging system for imaging an object onto a detector includes a lens configured for producing transverse ray intercept curves which are substantially straight, sloped lines. A wavefront coding element is formed on a surface of the lens and configured such that a modulation |
| 7554731 |
Wavefront coded imaging systems |
June 30, 2009 |
| An infrared imaging system for imaging infrared radiation from an object onto a detector includes optics configured for producing, with the infrared radiation, transverse ray intercept curves that are substantially straight, sloped lines. A wavefront coding element is configured such |
| 7453653 |
Low height imaging system and associated methods |
November 18, 2008 |
| Low height imaging systems may include one or more optical channels and a detector array. Each of the optical channels may be associated with one or more detectors of the array, have one or more optical components and a restrictive ray corrector, and be configured to direct steeper incid |
| 7450745 |
Systems and methods for minimizing aberrating effects in imaging systems |
November 11, 2008 |
| An imaging system for reducing aberrations from an intervening medium, and an associated method of use are provided. The system may be an optical or task-based optical imaging system including optics, such as a phase mask, for imaging a wavefront of the system to an intermediate image an |
| 7436595 |
Extended depth of field optical systems |
October 14, 2008 |
| A system for increasing the depth of field and decreasing the wavelength sensitivity and the effects of misfocus-producing aberrations of the lens of an incoherent optical system incorporates a special purpose optical mask into the incoherent system. The optical mask has been designed to |
| 7379613 |
Optimized image processing for wavefront coded imaging systems |
May 27, 2008 |
| An image processing method includes the steps of wavefront coding a wavefront that forms an optical image, converting the optical image to a data stream, and processing the data stream with a filter kernel to reverse effects of wavefront coding and generate a final image. By example, |
| 7319783 |
Methods for minimizing aberrating effects in imaging systems |
January 15, 2008 |
| A method for reducing optical distortion within an optical system employing adaptive optics, includes modifying phase of a wavefront of the optical system with a wavefront coding element. Image data of the optical system is post-processed to remove phase effects induced by the wavefront |
| 7260251 |
Systems and methods for minimizing aberrating effects in imaging systems |
August 21, 2007 |
| An imaging system for reducing aberrations from an intervening medium, and an associated method of use are provided. The system may be an optical or task-based optical imaging system including optics, such as a phase mask, for imaging a wavefront of the system to an intermediate image an |
| 7218448 |
Extended depth of field optical systems |
May 15, 2007 |
| A system for increasing the depth of field and decreasing the wavelength sensitivity of an incoherent optical system incorporates a special purpose optical mask into the incoherent system. The optical mask has been designed to cause the optical transfer function to remain essentially |
| 7180673 |
Mechanically-adjustable optical phase filters for modifying depth of field, aberration-tolerance |
February 20, 2007 |
| An optical system with mechanical adjustment provides for the rotation and/or translation of one or more optical phase filters to variably select an extended depth of field, aberration-tolerance, and/or anti-aliasing properties of an optical imaging system. By adjusting the amount of |
| 7115849 |
Wavefront coding interference contrast imaging systems |
October 3, 2006 |
| Contrast Imaging apparatus and methods with Wavefront Coding aspheric optics and post processing increase depth of field and reduce misfocus effects in imaging Phase Objects. The general Interference Contrast imaging system is modified with a special purpose optical element and image |
| 7106510 |
Wavefront coded imaging systems |
September 12, 2006 |
| The present invention provides improved Wavefront Coding imaging apparatus and methods composed of optics, a detector, and processing of the detected image. The optics are constructed and arranged to have the characteristic that the transverse ray intercept curves form substantially |
| 7088419 |
Lithographic systems and methods with extended depth of focus |
August 8, 2006 |
| An optical lithography system that has extended depth of focus exposes a photoresist coating on a wafer, and includes an illumination sub-system, a reticle, and an imaging lens that has a pupil plane function to form an aerial image of the reticle proximate to the photoresist. The pupil |
| 7031054 |
Methods and systems for reducing depth of field of hybrid imaging systems |
April 18, 2006 |
| An imaging system for imaging an object onto an image plane. An optical arrangement forms an intermediate image of the object at an intermediate plane with a first value of axial resolution. The imaging system also includes a digital processor configured to process the intermediate image |
| 6940649 |
Wavefront coded imaging systems |
September 6, 2005 |
| The present invention provides improved Wavefront Coding imaging apparatus and methods composed of optics, a detector, and processing of the detected image. The optics are constructed and arranged to have the characteristic that the transverse ray intercept curves form substantially stra |
| 6911638 |
Wavefront coding zoom lens imaging systems |
June 28, 2005 |
| A wide-angle zoom lens with as few as two plastic elements codes the wavefront produced by the imaging system such that the imaging system is substantially invariant to aberrations related to misfocus. Signal processing is used to decode the wavefront to form the final image. A first |
| 6873733 |
Combined wavefront coding and amplitude contrast imaging systems |
March 29, 2005 |
| The present invention provides extended depth of field or focus to conventional Amplitude Contrast imaging systems. This is accomplished by including a Wavefront Coding mask in the system to apply phase variations to the wavefront transmitted by the Phase Object being imaged. The phase |
| 6842297 |
Wavefront coding optics |
January 11, 2005 |
| Improved Wavefront Coding Optics, which apply a phase profile to the wavefront of light from an object to be imaged, retain their insensitivity to focus related aberration, while increasing the heights of the resulting MTFs and reducing the noise in the final images. Such improved Wavefr |
| 6525302 |
Wavefront coding phase contrast imaging systems |
February 25, 2003 |
| The present invention provides extended depth of field or focus to conventional Phase Contrast imaging systems. This is accomplished by including a Wavefront Coding mask in the system to apply phase variations to the wavefront transmitted by the Phase Object being imaged. The phase v |
| 6069738 |
Apparatus and methods for extending depth of field in image projection systems |
May 30, 2000 |
| An optical system for providing an in-focus, extended depth of field image on a projection surface includes an encoded mask or light encoder for preceding the light to include object information (or, equivalently, information about the desired image), and an extended depth of field (EDF) |
| 6021005 |
Anti-aliasing apparatus and methods for optical imaging |
February 1, 2000 |
| An anti-aliasing filter for use in an incoherent imaging system reduces the resolution of the optical image to prevent aliasing, without requiring a reduction in the amount of light captured by the system, and without adversely affecting image quality or requiring complex optical systems |
| 5870179 |
Apparatus and method for estimating range |
February 9, 1999 |
| Range or distance to points is estimated within a scene, while simultaneously imaging the scene. The range to various points within the scene is estimated by imaging at least a first color of light from the scene through an optical mask and a lens onto a CCD, and then digitally proce |
| 5748371 |
Extended depth of field optical systems |
May 5, 1998 |
| A system for increasing the depth of field and decreasing the wavelength sensitivity and the effects of misfocus-producing aberrations of the lens of an incoherent optical system incorporates a special purpose optical mask into the incoherent system. The optical mask has been designed to |
