2001
DOI: 10.1063/1.1364509
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Optical temperature probe

Abstract: In order to quantify the energy deposition at a dielectric-tissue interface, a simple optical temperature probe to measure the transient temperature rise of the laser-heated layer at this interface is presented. The optical temperature probe (1) is noninvasive, so as not to alter the optical, thermal, and mechanical properties of the sample, (2) has a fast time response (nanoseconds), in order to measure the temperature increase during a short laser pulse, and (3) has high spatial resolution (micrometers), in … Show more

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Cited by 5 publications
(3 citation statements)
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References 13 publications
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“…Radial heat diffusion, on the other hand, can be neglected for the pulse duration and beam radius. To quantify the axial heat diffusion we refer to the work of Hooper et al 5 who presented an analytical solution for this problem. It is based on a onedimensional heat equation that considers heat flow into the prism body.…”
Section: A Influence Of Heat Diffusion ͑Into the Prism Substrate͒mentioning
confidence: 99%
See 1 more Smart Citation
“…Radial heat diffusion, on the other hand, can be neglected for the pulse duration and beam radius. To quantify the axial heat diffusion we refer to the work of Hooper et al 5 who presented an analytical solution for this problem. It is based on a onedimensional heat equation that considers heat flow into the prism body.…”
Section: A Influence Of Heat Diffusion ͑Into the Prism Substrate͒mentioning
confidence: 99%
“…It is our aim to quantify the actual superheat being generated when thulium laser pulses are applied to a water sample. To this end we adapted the optical temperature probe proposed by Hooper et al 5 and measured exemplarily the temperature rise after applying free-running thulium laser pulses. The experimental results were compared with temperature calculations on the basis of the linearly extrapolated function ͑T͒ ϭ a ϩ bT.…”
Section: Introductionmentioning
confidence: 99%
“…It is also possible to launch an optical probe beam at the interface to sense and monitor the dynamics of a tissue ablation process. 50 This probe is capable of measuring the en- ergy deposition at a dielectric-tissue interface. The transient rise in temperature of the laser-heated layer at the interface can be measured using this calibrated probe and the onset of ablation can also be detected.…”
Section: A Evanescent Optical Wavesmentioning
confidence: 99%