Acousto-optic test

Lecture

1. What acoustic frequencies does the Raman-Nata mode normally correspond to?

Less than 10 MHz;

Less than 50 MHz;

More than 25 MHz;

More than 100 MHz;

2. How many diffraction maxima are commonly used in acousto-optic devices?

One;

Three;

Four;

Five;

3. How do the optical properties of the medium change over time?

With the frequency of the sound wave;

With a frequency greater than 100 MHz;

With a period of electromagnetic waves;

With a frequency of less than 10 MHz;

4. How is the light absorption coefficient measured in the method of photoacoustic spectroscopy?

According to the intensity of sound vibrations;

According to the intensity of electromagnetic waves;

By the coefficient of deformation of the medium;

According to the intensity of electrical oscillations;

5. What wave interaction occurs in optical waveguides?

Optical waveguide modes with surface acoustic waves;

Optical and waveguide;

Optical waveguide modes with electromagnetic;

Optical waveguide modes with electric;

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