Determination Of Size Distributions Of Small Objects By Optical Fourier Transformation

R. Butt; K. Hinsch

doi:10.1117/12.958319

20 May 1980 Determination Of Size Distributions Of Small Objects By Optical Fourier Transformation

R. Butt, K. Hinsch

Proceedings Volume 0210, 2nd European Congress on Optics Applied to Metrology; (1980) https://doi.org/10.1117/12.958319
Event: Optics, Photonics, and Iconics Engineering Meeting, 1979, Strasbourg, France

Abstract

The method presented for evaluating size distributions of small objects makes use of the Fourier transformation performed optically by a lens. The objects are stored in a transparent photographic recording whose spatial frequency pattern (far field diffraction pattern) is investigated.The method is first tested with patterns of model objects and then successfully applied to real particles, namely photographs of small air bubbles in water.

Citation Download Citation

R. Butt and K. Hinsch "Determination Of Size Distributions Of Small Objects By Optical Fourier Transformation", Proc. SPIE 0210, 2nd European Congress on Optics Applied to Metrology, (20 May 1980); https://doi.org/10.1117/12.958319

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