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Acousto-Optic Modulators and Fixed Frequency Shifters Associated RF drivers

AO Modulator


The rise time of the modulator is simply deduced

 by the necessary time for the acoustic wave to 

travel through the laser beam. For highest speeds

 the laser beam will be focused down, forming a 

beam waist as it passes through the modulator.

The first order beam of a modulator is frequency 

shifted by the amount of the RF carrier frequency:

it acts like as fixed frequency shifter. By varying

 the frequency, you can get a variable frequency shifter. 


BDO design: We offer a specific design called BDO

 «Beam Drift Optimization» for those applications

which need superior beampointing stability.