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Thermal diffusion measurements using spatially periodic temperature distributions induced by laser light
Abstract
Two light waves with different directions of propagation derived from a pulsed Nd:YAG laser are superimposed in an absorbing sample and generate an interference field. Due to absorption, a spatially periodic temperature distribution occurs, producing a spatial modulation of the refractive index which can be considered a thermal phase grating. The light of an argon laser simultaneously incident on the sample is diffracted by the thermal grating. When excitation is over, the decay time of the diffracted light is measured. From this decay time the thermal diffusivity of the sample is determined. Measurements on colored methanol and glycerin as well as on ruby compare favorably with the results of other authors. The possibility of exciting and detecting temperature waves (second sound) in solids by the method of light-induced gratings is discussed.
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Citations
Cited by
Nanoscale heat transfer – from computation to experiment
Luo, T., & Chen, G. (2013) · Physical Chemistry Chemical Physics · doi:10.1039/c2cp43771f · Cited by 273
Solid Layer Thermal-Conductivity Measurement Techniques
Goodson, K. E., & Flik, M. I. (1994) · Applied Mechanics Reviews · doi:10.1115/1.3111073 · Cited by 75
Metadata
- Authors
- Eichler, H., Salje, G., & Stahl, H.
- Venue
- Journal of Applied Physics
- Publisher
- AIP Publishing
- Published
- 1973-12-01
- Volume
- 44
- Issue
- 12
- Pages
- 5383-5388
- ISSN
- 0021-8979 (ISSN-L)
- 1089-7550
- OpenAlex
- W1987551998
- Cited by
- 216
- References
- 0
- FWCI
- 2.83
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Thermal diffusion measurements using spatially periodic temperature distributions induced by laser light. https://app.cochat.ai/papers/10.1063/1.1662160
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- Eichler, H., Salje, G., & Stahl, H. (1973). Thermal diffusion measurements using spatially periodic temperature distributions induced by laser light. Journal of Applied Physics. https://doi.org/10.1063/1.1662160
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