Frequency Response Of The Thermal Lens

N. J. Dovichi; J. M. Harris

doi:10.1117/12.932071

30 December 1981 Frequency Response Of The Thermal Lens

N. J. Dovichi, J. M. Harris

Proceedings Volume 0288, Los Alamos Conf on Optics '81; (1981) https://doi.org/10.1117/12.932071
Event: Los Alamos Conference on Optics, 1981, Los Alamos, United States

Abstract

In order to maximize the analytical performance of thermal lens calorimetry, it is useful to know the system frequency response which is formed from the product of the Fourier transform of the thermal lens impulse response with the frequency components of the excitation waveform. This result is used to describe the variation in the small signal response of double beam thermal lens calorimetry with chopping frequency. This information allows the evaluation of the trade-off between signal averaging rate and frequency roll-off to determine an optimal chopping frequency.

Citation Download Citation

N. J. Dovichi and J. M. Harris "Frequency Response Of The Thermal Lens", Proc. SPIE 0288, Los Alamos Conf on Optics '81, (30 December 1981); https://doi.org/10.1117/12.932071

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