Block diagram of the photopyroelectric measure system.
Behavior of pyroelectric coefficient. Samples poled at 433 K. E P = 12 MV/m.
Dielectric constant of PTCa/PEEK composite films at room temperature.
Voltage responsivity as a function of light modulation frequency.
Output-voltage of the sensor as a function modulation frequency for different input power.
Responsivity vs modulation frequency.
Output-voltage vs input power for different fixed frequency.
Amplitude as a function of modulation frequency.
Decay factor vs light modulation frequency.
Properties of PTCa and PZT.
Values of dielectric constant, pyroelectric coefficient, and FOM.
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