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Optics Express, ISSN 1094-4087, 03/2013, Volume 21, Issue 6, pp. 7400 - 7410
A vector vortex coronagraph (VVC) is one of promising means for imaging extremely faint objects around bright stars such as exoplanets. We present a design of... 
TELESCOPES | ELEMENTS | MANIPULATION | STAR | PHASE-MASK CORONAGRAPH | PANCHARATNAM PHASE | FABRICATION | CRYSTAL | OPTICS | VARIANT SUBWAVELENGTH GRATINGS | POLARIZED-LIGHT | Color | Telescopes | Image Enhancement - instrumentation | Computer-Aided Design | Equipment Design | Refractometry - instrumentation | Equipment Failure Analysis
Journal Article
09/2017
PROBLEM TO BE SOLVED: To form an aerial image with reduced aberration at a moved position.SOLUTION: An optical system 12D comprises: an optical part that... 
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS | PHYSICS | OPTICS
Patent
09/2017
PROBLEM TO BE SOLVED: To perform various types of control necessary for formation of a plurality of aerial images.SOLUTION: An imaging optical system is formed... 
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS | PHYSICS | OPTICS
Patent
09/2017
PROBLEM TO BE SOLVED: To move the position of an image formed in the air.SOLUTION: An imaging optical system is formed of a plurality of optical elements... 
DISPLAY | OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS | SIGNS | ADVERTISING | SEALS | DISPLAYING | PHYSICS | OPTICS | EDUCATION | LABELS OR NAME-PLATES | CRYPTOGRAPHY
Patent
07/2012
Photonic crystal, an artificial periodic nanostructure of refractive indices, is one of the attractive technologies for coronagraph focal-plane masks aiming at... 
Instrumentation and Photography
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