Dr. Ivan Melnyk Profile

Dr. Ivan Melnyk

Chief Operating Officer at Photon Control Inc

SPIE Involvement:

Author

Publications (27)

Proceedings Article | 9 December 2004 Paper

Optimization of illumination for a diffuse-spectroscopy-based early melanoma diagnostic imager

Andrew Rawicz, Ivan Melnyk, Bradley Oldham

Proceedings Volume 5578, (2004) https://doi.org/10.1117/12.566973

KEYWORDS: Skin, Melanoma, Monte Carlo methods, Fiber optic illuminators, Diagnostics, Imaging spectroscopy, Tissue optics, Image processing, Computer simulations, Imaging systems

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Proceedings Article | 3 July 2003 Paper

Translucency measurements in teeth and dental materials

Andrew Rawicz, Ivan Melnyk, Pawel Kowalski

Proceedings Volume 4950, (2003) https://doi.org/10.1117/12.500135

KEYWORDS: Translucency, Teeth, Light scattering, Dental materials, Spectroscopy, Glasses, Color vision, Fiber optics, Integrating spheres, Optical fibers

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Proceedings Article | 17 May 2000 Paper

Fluorescence detection of oral squamous cell carcinoma using Hyperflav

Ivan Melnik, Sergiy Dets, Andrew Rawicz, Lewei Zhang

Proceedings Volume 3907, (2000) https://doi.org/10.1117/12.386269

KEYWORDS: Luminescence, Cancer, Fluorescence spectroscopy, Tissue optics, In vivo imaging, Tissues, Spectroscopy, Tumors, Diagnostics, Fiber optics

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Proceedings Article | 14 January 1999 Paper

Prophylactic and curative foodstuffs from topinambour

Leonid Bobrovnik, Ivan Gulyi, Natalia Remeslo, Andrey Yefimov, Ivan Melnik, Vadim Vysotskiy

Proceedings Volume 3543, (1999) https://doi.org/10.1117/12.336904

KEYWORDS: Blood, Glucose, Mode conditioning cables, Safety, Biological research, Proteins, Raw materials, Iron, Chemical analysis, Microorganisms

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Proceedings Article | 22 April 1998 Paper

Color measurement of teeth and dental materials using a fiberoptic probe

Ivan Melnik, Andrew Rawicz, Sergiy Dets

Proceedings Volume 3248, (1998) https://doi.org/10.1117/12.306032

KEYWORDS: Teeth, Fiber optics, Optical fibers, Spectrophotometry, Reflectivity, Dental materials, Spectroscopy, Fiber optics tests, Translucency, Head

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Proceedings Article | 1 January 1998 Paper

Photoluminescent concentrator as a prototype of human retina

Ivan Melnik, Andrew Rawicz

Proceedings Volume 3199, (1998) https://doi.org/10.1117/12.301112

KEYWORDS: Retina, Absorption, Solar concentrators, Prototyping, Sensors, Photons, Position sensors, Spatial resolution, Thin films, Charge-coupled devices

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Proceedings Article | 1 January 1998 Paper

Position-sensitive receptive fields based on photoluminescent concentrators

Paul Jungwirth, Ivan Melnik, Andrew Rawicz

Proceedings Volume 3199, (1998) https://doi.org/10.1117/12.301111

KEYWORDS: Photodiodes, Solar concentrators, Absorption, Retina, Rhodamine, Light sources, Signal processing, Optoelectronic devices, Software development, Cones

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Proceedings Article | 8 May 1997 Paper

Hypericin-induced fluorescence in stomach cancer detection

Sergiy Dets, Alexander Joffe, Alexander Buryi, Nikolay Denisov, Ivan Melnik, Andrew Ravicz

Proceedings Volume 2972, (1997) https://doi.org/10.1117/12.273503

KEYWORDS: Luminescence, Stomach, Cancer, Diagnostics, Tumors, Laser induced fluorescence, Tissues, Endoscopy, Biopsy, Helium cadmium lasers

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Proceedings Article | 28 February 1997 Paper

Control of light backscattering in blood during intravenous laser irradiation

Ivan Melnik, V. Popov, Tatyana Rusina, Sergiy Dets

Proceedings Volume 3055, (1997) https://doi.org/10.1117/12.267716

KEYWORDS: Blood, Laser irradiation, Backscatter, Laser therapeutics, Helium neon lasers, Veins, Laser systems engineering, Light scattering, Scattering, Monte Carlo methods

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Proceedings Article | 6 December 1996 Paper

Laser-induced fluorescence detection of stomach cancer using hypericin

Sergiy Dets, Alexander Buryi, Ivan Melnik, Alexander Joffe, Tatyana Rusina

Proceedings Volume 2926, (1996) https://doi.org/10.1117/12.260819

KEYWORDS: Luminescence, Stomach, Cancer, Tumors, Diagnostics, Laser induced fluorescence, Tissues, In vivo imaging, Fluorescence spectroscopy, Helium cadmium lasers

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Proceedings Article | 25 November 1996 Paper

Backscattering measuring system for optimization of intravenous laser irradiation dose

Tatyana Rusina, V. Popov, Ivan Melnik, Sergiy Dets

Proceedings Volume 2929, (1996) https://doi.org/10.1117/12.259984

KEYWORDS: Blood, Backscatter, Laser irradiation, Helium neon lasers, Optical testing, Fiber optics, In vivo imaging, In vitro testing, Light scattering, Scattering

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Proceedings Article | 5 April 1996 Paper

Spatial distribution of tissue fluorescence

Ivan Melnik, Sergiy Dets, Nikolay Denisov, Alexander Ovcharuk, Alexander Joffe

Proceedings Volume 2679, (1996) https://doi.org/10.1117/12.237586

KEYWORDS: Luminescence, Skin, Tissue optics, Tissues, In vivo imaging, Laser induced fluorescence, Sensors, Natural surfaces, Scattering, Spectrophotometry

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Proceedings Article | 2 April 1996 Paper

Accumulation of hypericin in human gastric tumors

Ivan Melnik, Sergiy Dets, Tatyana Rusina, Nikolay Denisov, Evgeniy Braun, Vladimir Kikot, Vyacheslav Chernyj

Proceedings Volume 2675, (1996) https://doi.org/10.1117/12.237522

KEYWORDS: Luminescence, Tissues, Argon ion lasers, Laser tissue interaction, Tumors, Tissue optics, Photodynamic therapy, Cancer, Bioalcohols, Surgery

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Proceedings Article | 10 January 1996 Paper

Direct measurement of fluence rate in the human brain

Ivan Melnik, Tatyana Rusina, Nikolay Denisov, Sergiy Dets, Rudolf Steiner, Vladimir Rozumenko

Proceedings Volume 2624, (1996) https://doi.org/10.1117/12.229565

KEYWORDS: Sensors, Brain, Nd:YAG lasers, Tissues, Calibration, Signal detection, Fiber couplers, Signal attenuation, Laser therapeutics, Surgery

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Proceedings Article | 18 December 1995 Paper

Light propagation in tissues: effect of finite size of tissue sample

Ivan Melnik, Sergiy Dets, Tatyana Rusina

Proceedings Volume 2626, (1995) https://doi.org/10.1117/12.228684

KEYWORDS: Tissues, Monte Carlo methods, Brain, Scattering, Laser scattering, Light scattering, Helium neon lasers, Absorption, Anisotropy, Photon transport

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Proceedings Article | 12 May 1995 Paper

Monitoring of radio frequency tissue ablation during angioplasty

Ivan Melnik, Anil Bhatia, Patrick Dupouy, Herbert Geschwind

Proceedings Volume 2395, (1995) https://doi.org/10.1117/12.209129

KEYWORDS: Tissues, Electrodes, Laser ablation, Blood, Natural surfaces, Excimer lasers, Arteries, Laser tissue interaction, Ceramics, Injuries

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Proceedings Article | 12 May 1995 Paper

Influence of doppler-tipped guidewire position in coronary artery on blood flow velocity

Ivan Melnik, Patrick Dupouy, Jan Kvasnicka, Herbert Geschwind

Proceedings Volume 2395, (1995) https://doi.org/10.1117/12.209131

KEYWORDS: Doppler effect, Blood circulation, Arteries, Ultrasonography, Velocity measurements, Transducers, Blood, In vitro testing, Intravascular ultrasound, Electronics

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SPIE Journal Paper | 1 April 1995

Improvement of focusing ability in laser scalpel probes

Ivan Melnik

OE, Vol. 34, Issue 04, (April 1995) https://doi.org/10.1117/12.10.1117/12.196549

KEYWORDS: Ray tracing, Laser tissue interaction, Tissues, Quartz, Sapphire, Laser beam diagnostics, Laser cutting, Fiber lasers, Laser ablation, Natural surfaces

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Proceedings Article | 18 January 1995 Paper

Small isotrope probes for in vivo measurements of fluence rate

Ivan Melnik, Igor Kravchenko

Proceedings Volume 2323, (1995) https://doi.org/10.1117/12.199243

KEYWORDS: Light scattering, Scattering, Anisotropy, Optical spheres, Glasses, Absorption, Light sources, Solids, Lamps, In vivo imaging

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Proceedings Article | 3 January 1995 Paper

Transmission of straight and curved multimode optical fibers

Ivan Melnik, Igor Kravchenko, Nikolay Denisov, Sergiy Dets, Tatyana Rusina

Proceedings Volume 2631, (1995) https://doi.org/10.1117/12.229186

KEYWORDS: Optical fibers, Multimode fibers, Hollow waveguides, Ray tracing, Waveguides, Surface roughness, Fiber couplers, Cladding, Specular reflections, 3D displays

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Proceedings Article | 22 December 1994 Paper

Light concentration by modified fiber tips and attached scalpel probes

Ivan Melnik, Nikolay Denisov, Igor Kravchenko

Proceedings Volume 2328, (1994) https://doi.org/10.1117/12.197524

KEYWORDS: Sapphire, Reflection, Ray tracing, Refractive index, Tissues, Quartz, Fiber lasers, Laser beam diagnostics, Spherical lenses, Optical components

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Proceedings Article | 1 February 1994 Paper

Light penetration in human and rabbit brains: measurements using an isotropic detector

Ivan Melnik, Igor Kravchenko, Vladimir Rozumenko

Proceedings Volume 2077, (1994) https://doi.org/10.1117/12.168035

KEYWORDS: Brain, Tissue optics, Sensors, Signal attenuation, In vivo imaging, Tissues, In vitro testing, Anisotropy, Gallium arsenide, Photodynamic therapy

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Proceedings Article | 23 June 1993 Paper

Aspherically modified fiber tips have better focusing effect

Ivan Melnik, Rudolf Steiner, Raimund Hibst, Manfred Fischer, Gabriela Flemming

Proceedings Volume 1878, (1993) https://doi.org/10.1117/12.146584

KEYWORDS: Spherical lenses, Ray tracing, Optical fibers, Sapphire, Water, Optical spheres, Laser therapeutics, Refractive index, Arteries, Silica

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Proceedings Article | 18 June 1993 Paper

Light penetration in human skin: in-vivo measurements using isotropic detector

Ivan Melnik, Rudolf Steiner, Alwin Kienle

Proceedings Volume 1881, (1993) https://doi.org/10.1117/12.146313

KEYWORDS: In vivo imaging, Skin, Optical spheres, Tissue optics, Sensors, Tissues, Anisotropy, Signal attenuation, Scattering, Tumor growth modeling

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Proceedings Article | 28 May 1993 Paper

Forming of laser beams by optical fibers with beveled tips

Ivan Melnik, Manfred Fischer, Gabriela Flemming, Raimund Hibst

Proceedings Volume 1893, (1993) https://doi.org/10.1117/12.146346

KEYWORDS: Optical fibers, Water, Reflection, Coating, Laser damage threshold, Medicine, Ray tracing, Refraction, CCD cameras, Spherical lenses

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SPIE Journal Paper | 1 February 1993

New modified optical fiber tips for medical applications

Ivan Melnik, Raimund Hibst, Manfred Fischer, Gabriela Flemming

OE, Vol. 32, Issue 02, (February 1993) https://doi.org/10.1117/12.10.1117/12.60737

KEYWORDS: Spherical lenses, Optical fibers, Ray tracing, Optical spheres, Water, Fiber lasers, Tissues, Refractive index, Silver, CCD cameras

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Proceedings Article | 1 August 1991 Paper

Multipurpose fiber optic sensor with sloped tip

Ivan Melnik, A. Krivokhizha, O. Ptashnik

Proceedings Volume 1572, (1991) https://doi.org/10.1117/12.50032

KEYWORDS: Sensors, Electroluminescence, Fiber optics sensors, Optical fibers, Photodetectors, Stereolithography, Electroluminescent displays, Lithium, Field emission displays, Picosecond phenomena

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Showing 5 of 27 publications

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