Dr. Babu Varghese Profile

Dr. Babu Varghese

Scientist/Project Leader at Philips Research

SPIE Involvement:

Author

Publications (16)

Proceedings Article | 20 February 2018 Presentation + Paper

Highlighting the nuances behind interaction of picosecond pulses with human skin: Relating distinct laser-tissue interactions to their potential in cutaneous interventions

Natallia E. Uzunbajakava, Babu Varghese, Natalia Botchkareva, Rieko Verhagen, Alfred Vogel

Proceedings Volume 10492, 1049206 (2018) https://doi.org/10.1117/12.2307804

KEYWORDS: Laser optics, Picosecond phenomena, Skin, Tissue optics, Absorption, Electrons, Laser tissue interaction, Plasma, Ionization, Biomedical optics, Picosecond lasers, Laser skin treatment, Skin optics, Dermatology

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Proceedings Article | 14 February 2018 Presentation + Paper

High sensitivity optical method for objective assessment of the gloss of human skin

A. Ezerskaia, A. Ras, S. Pereira, H. P. Urbach, B. Varghese

Proceedings Volume 10467, 104670Z (2018) https://doi.org/10.1117/12.2305319

KEYWORDS: Skin, Tissue optics, Cameras, Monte Carlo methods, In vivo imaging, Signal detection

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Proceedings Article | 14 February 2018 Presentation + Paper

Depth resolved quantitative profiling of stratum corneum lipids and water content using short-wave infrared spectroscopy

Anna Ezerskaia, Silvania Pereira, H. Paul Urbach, Babu Varghese

Proceedings Volume 10467, 104670R (2018) https://doi.org/10.1117/12.2291896

KEYWORDS: Skin, Infrared spectroscopy, Short wave infrared radiation, Semiconductor lasers, Spectroscopes, Absorption, Infrared radiation, Profiling, Tissue optics

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Proceedings Article | 13 February 2017 Paper

Quantification of changes in skin hydration and sebum after tape stripping using infrared spectroscopy

A. Ezerskaia, S. Pereira, H. P. Urbach, B. Varghese

Proceedings Volume 10037, 1003702 (2017) https://doi.org/10.1117/12.2264622

KEYWORDS: Skin, Infrared spectroscopy, Infrared radiation, Short wave infrared radiation, Semiconductor lasers, Mirrors, Profiling, Spectroscopes, Tissue optics, Spectroscopy

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Proceedings Article | 6 May 2016 Paper

Infrared spectroscopic measurement of skin hydration and sebum levels and comparison to corneometer and sebumeter

Anna Ezerskaia, S. Pereira, H. Urbach, Babu Varghese

Proceedings Volume 9887, 98872G (2016) https://doi.org/10.1117/12.2225434

KEYWORDS: Skin, Infrared spectroscopy, Infrared radiation, Absorption, Tissue optics, Measurement devices, Crystals, Capacitance, Calibration, Spectroscopes

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Proceedings Article | 9 March 2016 Paper

Effects of polarization and absorption on laser induced optical breakdown threshold for skin rejuvenation

Babu Varghese, Valentina Bonito, Simona Turco, Rieko Verhagen

Proceedings Volume 9740, 97400I (2016) https://doi.org/10.1117/12.2232894

KEYWORDS: Absorption, Polarization, Laser optics, Laser damage threshold, Tissue optics, Light scattering, Scattering, Skin, Laser scattering, Laser induced damage

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Proceedings Article | 4 March 2016 Paper

Inter- and intra-individual differences in skin hydration and surface lipids measured with mid-infrared spectroscopy

A. Ezerskaia, S. Pereira, H. P. Urbach, B. Varghese

Proceedings Volume 9715, 97151G (2016) https://doi.org/10.1117/12.2228874

KEYWORDS: Skin, Spectroscopy, Tissue optics, Infrared spectroscopy, Infrared radiation, Optical spectroscopy, Spectroscopes, Absorption, Prototyping, Geometrical optics

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SPIE Journal Paper | 1 March 2009 Open Access

Optical properties of the medulla and the cortex of human scalp hair

Aleksey Kharin, Babu Varghese, Rieko Verhagen, Natallia Uzunbajakava

JBO, Vol. 14, Issue 02, 024035, (March 2009) https://doi.org/10.1117/12.10.1117/1.3116712

KEYWORDS: Signal attenuation, Scattering, Optical properties, Transmittance, Skin, Absorption, Light scattering, Microscopes, Polarization, Collimation

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Proceedings Article | 13 February 2009 Paper

Path length resolved optical Doppler flowmetry

Babu Varghese, Vinayakrishnan Rajan, Ton Van Leeuwen, Wiendelt Steenbergen

Proceedings Volume 7187, 71870A (2009) https://doi.org/10.1117/12.807951

KEYWORDS: Doppler effect, Tissue optics, Absorption, Scattering, Optical properties, Blood, Phase modulation, Interferometry, Particles, Light scattering

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SPIE Journal Paper | 1 March 2008 Open Access

Influence of tissue optical properties on laser Doppler perfusion imaging, accounting for photon penetration depth and the laser speckle phenomenon

Vinayakrishnan Rajan, Babu Varghese, Ton van Leeuwen, Wiendelt Steenbergen

JBO, Vol. 13, Issue 02, 024001, (March 2008) https://doi.org/10.1117/12.10.1117/1.2904958

KEYWORDS: Speckle, Optical properties, Doppler effect, Scattering, Skin, Modulation, Tissue optics, Absorption, Laser scattering, Laser tissue interaction

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SPIE Journal Paper | 1 November 2007 Open Access

Path-length-resolved optical Doppler perfusion monitoring

Babu Varghese, Vinayakrishnan Rajan, Ton van Leeuwen, Wiendelt Steenbergen

JBO, Vol. 12, Issue 06, 060508, (November 2007) https://doi.org/10.1117/12.10.1117/1.2823141

KEYWORDS: Doppler effect, Tissue optics, Photons, Skin, Blood, Optical fibers, Light scattering, Semiconductor lasers, Biomedical optics, Signal detection

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SPIE Journal Paper | 1 March 2007 Open Access

Path-length-resolved measurements of multiple scattered photons in static and dynamic turbid media using phase-modulated low-coherence interferometry

Babu Varghese, Vinayakrishnan Rajan, Ton van Leeuwen, Wiendelt Steenbergen

JBO, Vol. 12, Issue 02, 024020, (March 2007) https://doi.org/10.1117/12.10.1117/1.2714795

KEYWORDS: Doppler effect, Absorption, Phase modulation, Light scattering, Scattering, Optical fibers, Photons, Heterodyning, Interferometry, Modulation

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Proceedings Article | 15 February 2007 Paper

Quantification of Doppler broadening in path length resolved diffusive light scattering using phase modulated low-coherence interferometry

Babu Varghese, Vinayakrishnan Rajan, Ton van Leeuwen, Wiendelt Steenbergen

Proceedings Volume 6446, 644603 (2007) https://doi.org/10.1117/12.697578

KEYWORDS: Light scattering, Doppler effect, Scattering, Modulation, Particles, Diffusion, Phase modulation, Monte Carlo methods, Photons, Interferometry

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Proceedings Article | 14 February 2007 Paper

Depth sensitivity of laser Doppler perfusion imager: quantification based on experiments and Monte Carlo simulations on static and dynamic scattering phantoms

Vinayakrishnan Rajan, Babu Varghese, Ton G van Leeuwen, Wiendelt Steenbergen

Proceedings Volume 6445, 644506 (2007) https://doi.org/10.1117/12.698519

KEYWORDS: Photons, Doppler effect, Laser scattering, Scattering, Speckle, Imaging systems, Monte Carlo methods, Optical properties, Sensors, Tissue optics

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Proceedings Article | 14 April 2006 Paper

Role of speckles in laser Doppler perfusion imaging: an investigation on particle suspensions

Vinayakrishnan Rajan, Babu Varghese, Ton van Leeuwen, Wiendelt Steenbergen

Proceedings Volume 6191, 619113 (2006) https://doi.org/10.1117/12.661601

KEYWORDS: Scattering, Laser scattering, Doppler effect, Speckle, Sensors, Photons, Particles, Monte Carlo methods, Correlation function, Optical properties

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Proceedings Article | 14 April 2006 Paper

Path length resolved Doppler measurements of multiple scattered photons in turbid media for various absorptions using phase modulated low-coherence interferometry

Babu Varghese, Vinayakrishnan Rajan, Ton Van Leeuwen, Wiendelt Steenbergen

Proceedings Volume 6191, 619119 (2006) https://doi.org/10.1117/12.661618

KEYWORDS: Doppler effect, Absorption, Phase modulation, Photons, Light scattering, Modulation, Scattering, Optical fibers, Tissue optics, Heterodyning

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Showing 5 of 16 publications

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