Abstract
An acousto-optic modulator comprises a medium 2 having a non-homogeneous refractive index for guiding a light beam 4 inputted thereto along a first predetermined path and at least one switch able means for generating a respective acoustic beam 5 along a respective further predetermined path intersecting said first predetermined path for diffracting part of the light beam being guided along said first predetermined path.
Original language | English |
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Patent number | GB2269237 |
IPC | G02F 1/ 33 A I |
Priority date | 21/07/92 |
State | Published - 2 Feb 1994 |