Fig. 2: Optical Scanning Holography.
From: Strategies for reducing speckle noise in digital holography
a OSH set-up (M mirror AOM1, 2 acousto-optic modulators, BS1, 2, 3 beam splitters, BE1, 2 beam expanders, L focusing lens, x electronic multiplexer, LPF low-pass filter). b Numerical reconstruction of the complex hologram (free of speckle noise). c CCD imaging of a coherently illuminated dice. Reprinted with permission from ref.105 [OSA The Optical Society]
