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Mechanism of speckle reduction in laser-microscope images using a rotating optical fiber (1985)

Ambar, H. ; Aoki, Y. ; Takai, N. ; [et al.]

Springer

Applied physics 38 (1985), S. 71-78

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ISSN: 1432-0649

Keywords: 42.20 ; 42.30 ; 42.80

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract The reduction mechanism of speckles appearing in laser-microscope images is studied theoretically and experimentally when an object is illuminated by laser light through a rotating multimode optical fiber. The principle of the speckle reduction is based on independent addition of microscope images with boiling-like speckles as a result of the rotational motion of the optical fiber used for illumination. Especially, the speckle reduction is evaluated from first-order statistics of the speckle intensity in which its saturation effect is taken into consideration.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00691773

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