Patent application number | Description | Published |
20080211956 | Image Pickup Device - A plurality of imaging regions ( | 09-04-2008 |
20090128912 | COMPOSITE MATERIAL AND OPTICAL COMPONENT USING THE SAME - A composite material ( | 05-21-2009 |
20090180186 | DIFFRACTIVE OPTICAL ELEMENT AND METHOD FOR MANUFACTURING SAME - A diffractive optical element that can maintain transparency and be molded easily, and a method for manufacturing the same are provided. | 07-16-2009 |
20090273834 | STEREOSCOPIC IMAGE DISPLAY APPARATUS - A stereoscopic image display apparatus includes a synthetic image ( | 11-05-2009 |
20090277228 | THREE-DIMENSIONAL OPTICAL WAVEGUIDE, METHOD OF MANUFACTURING SAME, OPTICAL MODULE, AND OPTICAL TRANSMISSION SYSTEM - A three-dimensional optical waveguide is formed by laminating planar substrates such as a plurality of lens substrates and, an isolator substrate and a wavelength division multiplexing filter, the optical substrates at least include a waveguide substrate having a waveguide and a reflecting surface. In the three-dimensional optical waveguide, the planar substrates are positioned by markers integrally formed on at least two of the planar substrates. Light directed into the waveguide is reflected by a reflecting surface and passes through the lens substrates and the isolator substrate. | 11-12-2009 |
20100085559 | METHOD FOR MEASURING OPTICAL CHARACTERISTICS OF DIFFRACTION OPTICAL ELEMENT AND APPARATUS FOR MEASURING OPTICAL CHARACTERISTICS OF DIFFRACTION OPTICAL ELEMENT - [Object] A measurement method and an evaluating apparatus are provided which are capable of easily and accurately evaluating the light amount of a spot beam, the diffraction efficiency, and the intensity distribution in the optical axis direction by detecting even a weak diffracted beam in an arbitrary wavelength range converged by a diffraction optical element as an imaging lens. | 04-08-2010 |
20100110547 | IMAGING DEVICE, AND DIFFRACTION GRATING LENS FOR USE IN THE DEVICE - In a refraction lens having an aspheric shape formed thereon and having a positive power, a diffraction grating is formed on at least one of the faces of the refraction lens. In order to reduce the curvature of field and the chromatic aberration in a well-balanced manner, the zonal pitch of the diffraction grating is constituted so as to satisfy the following conditional expression. | 05-06-2010 |
20100110548 | DIFFRACTIVE OPTICAL ELEMENT AND METHOD OF MAKING THE SAME - A diffractive optical element according to the present invention includes: a lens body | 05-06-2010 |
20100134888 | DIFFRACTIVE OPTICAL ELEMENT AND METHOD FOR MANUFACTURING THE SAME, AND IMAGING APPARATUS USING THE DIFFRACTIVE OPTICAL ELEMENT - A diffractive optical element that can be molded readily, an imaging apparatus incorporating the diffractive optical element, and a method for manufacturing the diffractive optical element are provided. A diffractive optical element ( | 06-03-2010 |
20100246967 | IMAGE PROCESSING DEVICE, IMAGING DEVICE, EVALUATION DEVICE, IMAGE PROCESSING METHOD, AND OPTICAL SYSTEM EVALUATION METHOD - An image processing device that can highly precisely correct an image with a degraded image quality due to the unnecessary diffracted light generated in the optical system including the diffractive optical element is provided. The image processing device includes an evaluation area setting unit ( | 09-30-2010 |
20110096400 | DOUBLE IMAGE PICKUP OPTICAL SYSTEM AND IMAGE PICKUP APPARATUS PROVIDED THEREWITH - According to the present invention, a small-sized double-lens imaging optical system whose chromatic aberration is corrected even at a super wide angle of 150° or more can be provided. The double-lens imaging optical system of the present invention includes a concave lens, and a convex lens having a diffraction grating provided thereon, and satisfies the following conditional expression (1): | 04-28-2011 |
20110102898 | DIFFRACTIVE LENS AND IMAGE PICKUP DEVICE USING THE SAME - A diffractive lens | 05-05-2011 |
20110249345 | OPTICAL ELEMENT - An optical element according to the present invention is an optical element including: a first light transmitting layer having a first sawtooth blazed surface | 10-13-2011 |
20120008210 | DIFFRACTIVE LENS AND IMAGE CAPTURE DEVICE USING THE SAME - The present invention reduces the angle dependence of diffraction efficiency by taking the diffraction pitch and diffraction step of an optical element with a diffraction grating such as a lens into account. Specifically, for that purpose, an optical element that has a first group of diffraction grating portions | 01-12-2012 |
20120069327 | METHOD FOR MEASURING OPTICAL CHARACTERISTICS OF DIFFRACTION OPTICAL ELEMENT AND APPARATUS FOR MEASURING OPTICAL CHARACTERISTICS OF DIFFRACTION OPTICAL ELEMENT - A measurement method and an evaluating apparatus are provided which are capable of easily and accurately evaluating the light amount of a spot beam, the diffraction efficiency, and the intensity distribution in the optical axis direction by detecting even a weak diffracted beam in an arbitrary wavelength range converged by a diffraction optical element as an imaging lens. | 03-22-2012 |
20120075704 | DIFFRACTION OPTICAL ELEMENT - An imaging optical system according to the present invention includes a lens that has first and second surfaces and that has a diffraction grating on only one of the first and second surfaces. If the diameter of an effective area, which is defined by a light ray that has entered the lens with a maximum angle of view, is D when measured on the surface with the diffraction grating, an F number of the imaging optical system at the maximum angle of view is Fno, a d-line Abbe number of the lens is νd, and an F number of an axial bundle of rays is F, then the average diffracting ring zone pitch | 03-29-2012 |
20120092769 | DIFFRACTIVE LENS - A diffractive lens according to the present invention has the function of focusing light. The diffractive lens has a side on which a diffraction grating is arranged on either an aspheric surface or a spherical surface in its effective area. The diffraction grating has n | 04-19-2012 |
20120113518 | DIFFRACTION GRATING LENS AND IMAGE CAPTURE APPARATUS USING THE SAME - A diffraction grating lens of the present invention includes a lens base | 05-10-2012 |
20120140209 | METHOD FOR MEASURING OPTICAL CHARACTERISTICS OF DIFFRACTION OPTICAL ELEMENT AND APPARATUS FOR MEASURING OPTICAL CHARACTERISTICS OF DIFFRACTION OPTICAL ELEMENT - A measurement method and an evaluating apparatus are provided which accurately evaluate the light amount of a spot beam, the diffraction efficiency, and the intensity distribution in the optical axis direction by detecting even a weak diffracted beam in an arbitrary wavelength range converged by a diffraction optical element as an imaging lens. Light emitted from a white light source passes through a wavelength band-pass filter and is diaphragmed by a pinhole slit. The resultant light is paralleled by a collimator lens and enters a diffraction optical element as an imaging lens. The light getting out from the diffraction optical element is converged to be a spot beam, is magnified by a microscope | 06-07-2012 |
20120170121 | DIFFRACTION GRATING LENS AND IMAGING DEVICE IN WHICH THE SAME IS USED - A diffraction grating lens according to the present invention is a diffraction grating lens | 07-05-2012 |
20120182618 | DIFFRACTION GRATING LENS AND IMAGING DEVICE USING SAME - A diffraction grating lens according to the present invention includes a lens body | 07-19-2012 |
20120243096 | DIFFRACTION GRATING LENS AND METHOD OF PRODUCING THE SAME, AND IMAGING DEVICE IN WHICH THE SAME IS USED - A diffraction grating lens according to the present invention includes a lens body and a diffraction grating provided on the surface of the lens body, the diffraction grating including a plurality of annular zones having slopes inclined along a width direction and a plurality of step surfaces respectively located between the plurality of annular zones. At least one of the plurality of annular zones is light-transmissive across its entire area along the width direction, and in the at least one annular zone, a light transmittance near at least one of two ends along the width direction is smaller than a light transmittance near a central portion along the width direction. | 09-27-2012 |
20120300301 | DIFFRACTION-GRATING LENS, AND IMAGING OPTICAL SYSTEM AND IMAGING DEVICE USING SAID DIFFRACTION-GRATING LENS - An imaging optical system according to the present invention includes: at least one diffraction grating lens with a diffraction grating that is made up of q diffraction ring zones; and a stop. A surface of the at least one diffraction grating lens that has the diffraction grating is a lens surface that is located closest to the stop. Supposing the respective widths of diffraction ring zones that are located first, second, (m−1) | 11-29-2012 |
20130070207 | INCOHERENCE DEVICE AND OPTICAL APPARATUS USING SAME - An optical member includes: a total reflection mirror | 03-21-2013 |
20130141634 | IMAGING DEVICE - An imaging device includes: a lens optical system including a first region and a second region having different optical properties; an imaging element including first pixels and second pixels; an arrayed optical element which is provided between the lens optical system and the imaging element, allows light passing through the first region to enter the first pixels, and allows light passing through the second region to enter the second pixels; a signal processing unit configured to generate object information using pixel values obtained from the first pixels and the second pixels; and a diffractive optical element provided between the arrayed optical element and the lens optical system and including a diffraction grating symmetrical about an optical axis of the lens optical system. | 06-06-2013 |
20130145608 | METHOD FOR DESIGNING AND METHOD FOR MANUFACTURING DIFFRACTION-GRATING LENS - A method for designing a diffraction grating lens of the present invention is a method for designing a diffraction grating lens having a diffraction grating composed of a plurality of diffraction zones, the method including the steps of: (a) determining widths of the plurality of diffraction zones; and (b) determining an aspherical coefficient of a diffraction surface on which the diffraction grating is provided while the determined widths of the plurality of diffraction zones are fixed, after the step (a). | 06-13-2013 |
20130293704 | IMAGING APPARATUS - An imaging apparatus disclosed in the present application includes a lens optical system, an imaging element and an optical array element. The lens optical system includes first and second areas having different optical characteristics with each other. The imaging element includes first and second pixels each including a filter of a first spectral transmittance characteristic, third pixels including a filter of a second spectral transmittance characteristic, and fourth pixels including a filter of a third spectral transmittance characteristic. The optical array element causes the light passing through the first area to be incident on the first pixels and one of the third and fourth pixels and causes the light passing through the second area to be incident on the second pixels and the other of third and fourth pixels. | 11-07-2013 |
20130341493 | IMAGING DEVICE AND IMAGING SYSTEM - An imaging apparatus according to one embodiment of the present invention includes: a lens optical system having first to third regions, the first region transmitting light of a first wavelength band, the second region transmitting light of the first wavelength band and having optical characteristics for providing a different focusing characteristic from a focusing characteristic associated with rays transmitted through the first region, and the third region transmitting light of a second wavelength band; an imaging device on which light having passed through the lens optical system is incident, the imaging device having a plurality of first to third pixels; and a microlens array causing light having passed through the first region to enter the plurality of first pixels, light having passed through the second region to enter the plurality of second pixels, and light having passed through the third region to enter the plurality of third pixels. | 12-26-2013 |
20140028825 | IMAGING-OBSERVATION APPARATUS - An imaging-observation apparatus according to the present disclosure includes: an image capturing section that shoots a subject under multiple different shooting optical conditions at the same time and sequentially generates a plurality of images under those multiple different shooting optical conditions; a display control section that accepts an operator's input; an image synthesizing section that synthesizes together the plurality of images in accordance with the input to the display control section at a synthesis ratio specified by the input and sequentially generates synthetic images one after another; and a display section that presents the synthetic images. | 01-30-2014 |
20140055661 | IMAGING DEVICE AND IMAGING SYSTEM - An imaging apparatus disclosed in the present application includes a lens optical system L, an imaging device N including a plurality of first and second pixels P | 02-27-2014 |
20140055664 | IMAGING DEVICE - An image capture device according to the present disclosure includes: a lens optical system L; an image sensor N on which light that has passed through the lens optical system L is incident and which includes at least a plurality of first pixels and a plurality of second pixels; and an array of optical elements K which is arranged between the lens optical system and the image sensor. The lens optical system has a first optical region D | 02-27-2014 |
20140071247 | IMAGE PICK-UP DEVICE AND DISTANCE MEASURING DEVICE - An image pickup device N according to an embodiment includes: an objective lens L with first and second regions D | 03-13-2014 |
20140071317 | IMAGE PICKUP APPARATUS - An image pickup apparatus disclosed in this application includes: a lens optical system (L) including a first optical region and a second optical region; an image pickup device (N) including at least a plurality of first pixels and a plurality of second pixels where light transmitted through the lens optical system (L) enters; an area segmented optical attenuator device (W) including a first light control part and a second light control part, which are located in the first optical region and the second optical region, respectively; a control section (V) for changing at least one of a transmittance of the first light control part of the area segmented optical attenuator device and a transmittance of the second light control part of the area segmented optical attenuator device; and an array-patterned optical device (K), which is placed between the lens optical system and the image pickup device, for causing light transmitted through the first optical region to enter the plurality of first pixels and causing light transmitted through the second optical region to enter the plurality of second pixels. | 03-13-2014 |
20140300721 | IMAGE PICKUP SYSTEM - An imaging system according to the present disclosure includes: a polarized light source which emits illuminating light including a component of light that oscillates parallel to a first polarization axis; an image capturing unit IP which is configured to get simultaneously first, second, third and fourth pieces of image information S | 10-09-2014 |
20140313584 | DIFFRACTIVE OPTICAL ELEMENT AND IMAGING DEVICE AND ILLUMINATING DEVICE USING SAME - To provide a highly workable diffractive optical element which realizes a high refractive index and a low wavelength dispersiveness well balanced with each other and which exhibits high heat resistance and high endurance against temperature changes, a diffractive optical element includes a base member including a diffraction grating formed on a surface thereof and a protective film provided on the surface of the base member where the diffraction grating is formed, wherein the base member is composed of a silsesquioxane resin material or a dendrimer material which has a first refractive index and a first Abbe number and wherein the protective film is composed of a silicone resin material which has a second refractive index smaller than the first refractive index and a second Abbe number smaller than the first Abbe number. | 10-23-2014 |