An acousto-optical spectrum analyzer is described, based on the linear relationship between frequency and angular deviation of an acousto-optical cell. A side-entry internal reflection geometry of interaction is used with surface acoustic waves propagating on a Y-Z LiNbO//3 sample. A CCD photodiode array is the detecting device, allowing 300 kHz resolution and 50 MHz bandwidth.
REAL TIME ACOUSTO-OPTICAL SPECTRUM ANALYZER THROUGH UNGUIDED LIGHT-SURFACE ACOUSTIC WAVES INTERACTION.
Verona E
1980
Abstract
An acousto-optical spectrum analyzer is described, based on the linear relationship between frequency and angular deviation of an acousto-optical cell. A side-entry internal reflection geometry of interaction is used with surface acoustic waves propagating on a Y-Z LiNbO//3 sample. A CCD photodiode array is the detecting device, allowing 300 kHz resolution and 50 MHz bandwidth.File in questo prodotto:
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