Page 115 - Introduction to Information Optics

2. Signal Processing with Optics

A

h

->i

Fig. 2.27. SLM raster-scanned format.

format, f(x) is the transmittance function proportioned to the time signal, as
written by

w
/(*) = / 71'

and
y — nb
f(y) = rect

where rect [ ] represents a rectangular function.
By taking the Fourier transform of the input raster-scanned format the
complex light distribution at the Fourier domain is given by

F(p, snc srnc
(2.63)