2013
DOI: 10.1117/1.jbo.18.9.097008
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Thin photothermal endoscope for biomedical applications

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Cited by 4 publications
(4 citation statements)
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“…The frequency response of the sensors was also estimated by Fourier-transformation of the impulse response produced by optical heating, and the –6 dB bandwidths were in the range 66 Hz to 94 Hz in air, 42 Hz to 178 Hz in still water, and 132 Hz to 183 Hz in stirred water. These sensors, therefore, have the potential to detect thermal tagging and photothermal signals at a wide range of modulation rates [ 25 ], to resolve intra-coronary temperatures with spatial and blood pressure dependencies [ 85 , 86 ] and to measure rapidly changing temperatures with high temporal resolution for thermal treatment monitoring [ 19 ].…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…The frequency response of the sensors was also estimated by Fourier-transformation of the impulse response produced by optical heating, and the –6 dB bandwidths were in the range 66 Hz to 94 Hz in air, 42 Hz to 178 Hz in still water, and 132 Hz to 183 Hz in stirred water. These sensors, therefore, have the potential to detect thermal tagging and photothermal signals at a wide range of modulation rates [ 25 ], to resolve intra-coronary temperatures with spatial and blood pressure dependencies [ 85 , 86 ] and to measure rapidly changing temperatures with high temporal resolution for thermal treatment monitoring [ 19 ].…”
Section: Discussionmentioning
confidence: 99%
“…Biomedical examples include intravascular flow measurement by thermodilution [ 1 , 2 , 3 , 4 ], where cold saline is injected into the artery and the flow rate is determined from temperature changes measured by a downstream sensor; and hot-wire anemometry, in which the temperature of a heated element depends on the rate of flow of the gas [ 5 , 6 , 7 , 8 , 9 , 10 ] or liquid [ 11 , 12 , 13 , 14 ] surrounding it. In therapies such as laser or radiofrequency ablation [ 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 ], temperature monitoring is critical to ensure complete ablation of the diseased tissue while leaving healthy tissue undamaged; in photothermal spectroscopy [ 25 , 26 , 27 , 28 , 29 , 30 , 31 ], chemical species are identified by the temperature variations caused by optical absorption of a modulated light source. These applications require measurement of rapidly varying temperatures and, therefore, temperature sensors with both fast and well-known response times are required.…”
Section: Introductionmentioning
confidence: 99%
“…[12,[14][15][16][17] The momentousness of the TL signal is that it reflects only the contributions of absorbed photons giving high signal to noise ratio making it a potential non-destructive technique for biological applications. [18,19] Recently, our group has reported the soot-assisted intrapigmental energy transport in leaves and seed matter using TL technique. The hidden information of particle dynamics in the medium contained in the TL signal has also been unwrapped through the nonlinear time series and fractalysis.…”
Section: Introductionmentioning
confidence: 99%
“…The non-destructiveness of an analysing method is most important in the case of biological samples. When TL has already proved its potential in monitoring the death process of red blood cells [13] and the flow of blood and lymph [14], attempts are still going on to explore its application in plant systems. Intriguing the energyharvesting mysteries in plants (photosynthesis) is important as it is the primary biological process that decides the life on earth.…”
Section: Introductionmentioning
confidence: 99%