Abstract
Ultrafast light deflectors at a microwave frequency are useful in various fields, such as optical metrology, spectroscopy, and optical computing, because of their potential for ultrashort optical pulse generation and optical signal synthesizing.1,2 In many uses, unidirectional deflection as in a rotating polygon mirror is desirable. For the microwave region, however, ordinary ultrafast deflectors cannot scan a space in one direction; the flyback of the light beam appears. Here we propose a new ultrafast unidirectional deflector employing electrooptic Raman-Nath diffraction at a microwave frequency.
© 1990 Optical Society of America
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