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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 19 — Oct. 1, 2012
  • pp: 4119–4121

Digital holographic microscope with low-frequency attenuation filter for position measurement of a nanoparticle

Quang Duc Pham, Yuichi Kusumi, Satoshi Hasegawa, and Yoshio Hayasaki  »View Author Affiliations


Optics Letters, Vol. 37, Issue 19, pp. 4119-4121 (2012)
http://dx.doi.org/10.1364/OL.37.004119


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Abstract

We propose a new method for three-dimensional (3D) position measurement of nanoparticles using an in-line digital holographic microscope. The method improves the signal-to-noise ratio of the amplitude of the interference fringes to achieve higher accuracy in the position measurement by increasing weak scattered light from a nanoparticle relative to the reference light by using a low spatial frequency attenuation filter. We demonstrated the improvements of signal-to-noise ratio of the optical system and contrast of the interference fringes, allowing the 3D positions of nanoparticles to be determined more precisely.

© 2012 Optical Society of America

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(110.0180) Imaging systems : Microscopy
(090.1995) Holography : Digital holography

ToC Category:
Holography

History
Original Manuscript: May 22, 2012
Revised Manuscript: August 27, 2012
Manuscript Accepted: August 29, 2012
Published: September 28, 2012

Citation
Quang Duc Pham, Yuichi Kusumi, Satoshi Hasegawa, and Yoshio Hayasaki, "Digital holographic microscope with low-frequency attenuation filter for position measurement of a nanoparticle," Opt. Lett. 37, 4119-4121 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-19-4119

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