Effective infrared absorption coefficient for photothermal radiometric measurements in biological tissues
Although photothermal radiometric (PTR) measurements commonly employ broad-band
signal acquisition to increase the signal-to-noise ratio, all reported studies apply a fixed …
signal acquisition to increase the signal-to-noise ratio, all reported studies apply a fixed …
Spectral variation of the infrared absorption coefficient in pulsed photothermal profiling of biological samples
Pulsed photothermal radiometry can be used for non-invasive depth profiling of optically
scattering samples, including biological tissues such as human skin. Computational …
scattering samples, including biological tissues such as human skin. Computational …
Re-evaluation of pulsed photothermal radiometric profiling in samples with spectrally varied infrared absorption coefficient
Spectral variation of the sample absorption coefficient in mid-infrared (μ IR) demands
caution in photothermal radiometric measurements, because a constant μ IR is regularly …
caution in photothermal radiometric measurements, because a constant μ IR is regularly …
A spectrally composite reconstruction approach for improved resolution of pulsed photothermal temperature profiling in water-based samples
We report on the first experimental evaluation of pulsed photothermal radiometry (PPTR)
using a spectrally composite kernel matrix in signal analysis. Numerical studies have …
using a spectrally composite kernel matrix in signal analysis. Numerical studies have …
In vivo characterization of structural and optical properties of human skin by combined photothermal radiometry and diffuse reflectance spectroscopy
We have combined two optical techniques to enable simultaneous assessment of structure
and composition of human skin in vivo: Pulsed photothermal radiometry (PPTR), which …
and composition of human skin in vivo: Pulsed photothermal radiometry (PPTR), which …
Spectral filtering in pulsed photothermal temperature profiling of collagen tissue phantoms
We present an experimental comparison of pulsed photothermal (PPT) profiling in collagen-
based tissue phantoms utilizing different midinfrared spectral bands. Laser-induced …
based tissue phantoms utilizing different midinfrared spectral bands. Laser-induced …
Pulsed photothermal temperature profiling of agar tissue phantoms
We determine experimentally the accuracy of pulsed photothermal radiometric (PPTR)
temperature depth profiling in water-based samples. We use custom tissue phantoms …
temperature depth profiling in water-based samples. We use custom tissue phantoms …
Physiological and structural characterization of human skin in vivo using combined photothermal radiometry and diffuse reflectance spectroscopy
In this proof-of-concept study we combine two optical techniques to enable assessment of
structure and composition of human skin in vivo: Pulsed photothermal radiometry (PPTR) …
structure and composition of human skin in vivo: Pulsed photothermal radiometry (PPTR) …
Limitations in measurement of subsurface temperatures using pulsed photothermal radiometry
US Sathyam, SA Prahl - Journal of Biomedical Optics, 1997 - spiedigitallibrary.org
A pulsed photothermal technique to calculate internal temperatures from noncontact surface
temperature measurements is presented. The inversion process is based on approximating …
temperature measurements is presented. The inversion process is based on approximating …
Theoretical, experimental, and computational aspects of optical property determination of turbid media by using frequency-domain laser infrared photothermal …
L Nicolaides, Y Chen, A Mandelis, IA Vitkin - JOSA A, 2001 - opg.optica.org
In this work, the optical and thermal properties of tissuelike materials are measured by using
frequency-domain infrared photothermal radiometry. This technique is better suited for …
frequency-domain infrared photothermal radiometry. This technique is better suited for …