Research Project
Grant-in-Aid for Challenging Exploratory Research
A lens-less holographic microscope has been developed for 4-D measurement of microorganisms swimming in water. Intensity and phase images with a high resolving power and with a large depth are precisely reconstructed for moving objects in air or even in dielectric media. High-resolution microscopic tomography has also been developed for optical measurement of living tissue by using the lens-less reflection-type holographic microscope. Experimental results demonstrate tomographic 3-D imaging with diffraction limited resolution. A new method has been proposed in order to develop a super-resolution lens-less holographic microscopy. Four or more holograms with different incident angles of illuminating light are recorded to generate one hologram with a large value of the numerical aperture (NA). NA of the generated hologram can be enlarged up to a value larger than 1, and a resolution of the microscopy can be improved up to a value higher than one half of the wave length.
All 2014 2013 2012 2011 Other
All Journal Article (8 results) (of which Peer Reviewed: 1 results) Presentation (26 results) (of which Invited: 1 results) Patent(Industrial Property Rights) (9 results) (of which Overseas: 5 results)
Proc. of SPIE
Volume: 8281
Volume: 8227 Pages: 2901-2906
International Journal of Intelligent Computing in Medical Sciences and Image Processing
Volume: 4 Pages: 77-86
Volume: Vol. 4 Pages: 77-86
International Journal of IC-MED
Volume: Vol.4 Pages: 77-86
Volume: 7904 Pages: 11-18
Volume: 7904 Pages: 81-88
