Dr. Ilko K. Ilev Profile

Dr. Ilko K. Ilev

Senior Staff Scientist at US Food and Drug Administration

SPIE Involvement:

Conference Program Committee | Author

Publications (32)

SPIE Journal Paper | 22 June 2019

Experimental investigation of parameters influencing plasmonic nanoparticle-mediated bubble generation with nanosecond laser pulses

Andrew Fales, William Vogt, Keith Wear, T. Joshua Pfefer, Ilko Ilev

JBO Vol. 24 Issue 06

KEYWORDS: Nanorods, Gold, Particles, Laser damage threshold, Plasmonics, Pulsed laser operation, Nanoparticles, Acoustics, Absorption, Transmission electron microscopy

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SPIE Journal Paper | 18 June 2018

Noncontact method for sensing thickness and refractive index of intraocular lens implants using a self-calibrating dual-confocal laser caliper

Do-Hyun Kim, Robert James, Don Calogero, Ilko Ilev

JBO Vol. 23 Issue 06

KEYWORDS: Refractive index, Confocal microscopy, Objectives, Calibration, Microscopes, Reflection, Signal detection, Fiber optics, Sensors, Mirrors

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Proceedings Article | 23 February 2018 Paper

Size-dependent thresholds for melting and nanobubble generation using pulsed-laser irradiated gold nanoparticles

Andrew Fales, William Vogt, Keith Wear, Joshua Pfefer, Ilko Ilev

Proc. SPIE. 10509, Plasmonics in Biology and Medicine XV

KEYWORDS: Gold, Scattering, Nanoparticles, Particles, Nd:YAG lasers, Laser scattering, Transmission electron microscopy, Laser damage threshold, Acoustics, Pulsed laser operation

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Proceedings Article | 19 April 2017 Presentation

A tribute to Dr. Ron W. Waynant (Conference Presentation)

Israel Gannot, Ilko Ilev, Juanita Anders, Jin Kang

Proc. SPIE. 10058, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XVII

KEYWORDS: Optical fibers, Fiber optics, Sensors, Medical diagnostics, Ultraviolet radiation, Vacuum ultraviolet, Health sciences, Free electron lasers, Specialty optical fibers, Current controlled current source

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Proceedings Article | 3 May 2016 Presentation

Fiber-optic Fourier transform infrared (FO-FTIR) spectroscopy for detecting endotoxin contamination in ophthalmic viscosurgical devices (OVDS) (Conference Presentation)

Moinuddin Hassan, Ilko Ilev

Proc. SPIE. 9702, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XVI

KEYWORDS: Mid-IR, Eye, FT-IR spectroscopy, Contamination, Fiber optics, Tissues, Surgery, Spectroscopy, Infrared spectroscopy, Spectroscopes

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Proceedings Article | 26 April 2016

Advanced biosensing methodologies developed for evaluating performance quality and safety of emerging biophotonics technologies and medical devices (Conference Presentation)

Ilko Ilev, Bennett Walker, William Calhoun, Moinuddin Hassan

Proc. SPIE. 9702, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XVI

KEYWORDS: Coherence imaging, Biosensing, Safety, Biomedical optics, Fiber optics, Laser applications, Imaging spectroscopy, Laser safety, Standards development, Medical device development

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Proceedings Article | 26 April 2016 Presentation

Effect of laser polarization and pulse energy on therapeutic, femtosecond laser-induced second harmonic generation in corneal tissue (Conference Presentation)

William Calhoun, Ilko Ilev

Proc. SPIE. 9693, Ophthalmic Technologies XXVI

KEYWORDS: Second-harmonic generation, Femtosecond phenomena, Laser therapeutics, Laser vision correction, Polarization, Surgery, Harmonic generation, Tissue optics, Pulsed laser operation, Laser tissue interaction

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SPIE Journal Paper | 9 May 2014

Assessing the effect of laser beam width on quantitative evaluation of optical properties of intraocular lens implants

Bennett Walker, Robert James, Aurin Chakravarty, Don Calogero, Ilko Ilev

JBO Vol. 19 Issue 05

KEYWORDS: Refractor telescopes, Optical properties, Confocal microscopy, Standards development, Optics manufacturing, Tolerancing, Collimation, Laser therapeutics, Fiber optics tests, Fiber optics

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Proceedings Article | 20 February 2014 Paper

Monitoring biofilm attachment on medical devices surfaces using hyperspectral imaging

Hanh Le, Victoria Hitchins, Ilko Ilev, Do-Hyun Kim

Proc. SPIE. 8938, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XIV

KEYWORDS: Hyperspectral imaging, Spectrographs, Proteins, Glasses, Luminescence, Lamps, Reflectivity, Medical devices, Signal detection, Bacteria

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SPIE Journal Paper | 16 September 2013

Retina-simulating phantom for optical coherence tomography

Jigesh Baxi, William Calhoun, Yasir Sepah, Daniel Hammer, Ilko Ilev, T. Joshua Pfefer, Quan Dong Nguyen, Anant Agrawal

JBO Vol. 19 Issue 02

KEYWORDS: Optical coherence tomography, Eye, Coating, Tissues, Retina, Eye models, Scattering, Particles, Optical properties, Imaging systems

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Proceedings Article | 26 March 2013 Paper

Quantification of phase retardation in corneal tissues using a femtosecond laser

William Calhoun, Alexander Beylin, Richard Weiblinger, Ilko Ilev

Proc. SPIE. 8567, Ophthalmic Technologies XXIII

KEYWORDS: Femtosecond phenomena, Laser therapeutics, Laser vision correction, Cornea, Polarization, Tissues, Laser development, Laser ablation, Phase measurement, LASIK

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SPIE Journal Paper | 1 December 2011

Noncontact common-path Fourier domain optical coherence tomography method for in vitro intraocular lens power measurement

Yong Huang, Don Calogero, Robert James, Ilko Ilev, Jin Kang, Kang Zhang

JBO Vol. 16 Issue 12

KEYWORDS: Optical coherence tomography, Refractor telescopes, Distortion, In vitro testing, Fluctuations and noise, Standards development, Refraction, Refractive index, Optical properties, Interfaces

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Proceedings Article | 17 February 2011 Paper

A thickness measurement method for biological samples using lensed-fiber sensors

Do-Hyun Kim, Ilko Ilev, Young-Geun Han

Proc. SPIE. 7894, Optical Fibers, Sensors, and Devices for Biomedical Diagnostics and Treatment XI

KEYWORDS: Confocal microscopy, Microscopes, Refractive index, Fiber optics, Lenses, Sensors, Glasses, Fiber optics sensors, Head, Objectives

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Proceedings Article | 24 February 2010 Paper

Suppression of modal noise in a multimode fiber optic delivery output from an ultra-broadband supercontinuum light source

Do-Hyun Kim, Karl-Friedrich Klein, Ilko Ilev

Proc. SPIE. 7559, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications X

KEYWORDS: Multimode fibers, Optical fibers, Light sources, Photonic crystal fibers, Lenses, Sensors, Single mode fibers, Supercontinuum sources, Objectives, Light

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Proceedings Article | 24 February 2010 Paper

Analysis of some substantial collimating lens functions in fiber optic confocal microscopy

Do-Hyun Kim, Ilko Ilev

Proc. SPIE. 7559, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications X

KEYWORDS: Signal to noise ratio, Confocal microscopy, Optical fibers, Microscopes, Light sources, Fiber optics, Single mode fibers, Collimation, Objectives, Fiber optics tests

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Proceedings Article | 23 February 2009 Paper

Effects of optical irradiation parameters on safe peripheral nerve stimulation with infrared light

Elizabeth Katz, Do-Hyun Kim, Ilko Ilev, Victor Krauthamer

Proc. SPIE. 7180, Photons and Neurons

KEYWORDS: Safety, Nerve, Electrodes, Semiconductor lasers, Laser irradiation, Laser damage threshold, Er:YAG lasers, Tissue optics, Pulsed laser operation, Laser tissue interaction

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Proceedings Article | 21 February 2009 Paper

Advanced confocal fiber-optic imaging and sensing approaches

Do-Hyun Kim, Jin Kang, Ilko Ilev

Proc. SPIE. 7173, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications IX

KEYWORDS: Signal to noise ratio, Confocal microscopy, Optical fibers, Microscopes, Light sources, Fiber optics, Image resolution, Fiber optics sensors, Objectives, Upconversion

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SPIE Journal Paper | 1 September 2005

Pulse dispersion in hollow optical waveguides

M. Ben-David, Ilko Ilev, Ronald Waynant, Israel Gannot

OE Vol. 44 Issue 09

KEYWORDS: Dispersion, Waveguides, Hollow waveguides, Wave propagation, Pulsed laser operation, Surface roughness, Beam shaping, Optical engineering, Signal attenuation, Dielectrics

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Proceedings Article | 10 September 2004 Paper

Light sources and their role in laser therapy

Ronald Waynant, Ilko Ilev

Proc. SPIE. 5610, Laser Florence 2003: A Window on the Laser Medicine World

KEYWORDS: Optical filters, Light sources, Light emitting diodes, Laser therapeutics, Skin, Control systems, Oxygen, Gas lasers, Laser tissue interaction, Light

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Proceedings Article | 13 July 2004 Paper

Are ultrashort x-ray pulses likely to be less carcinogenic?

Ronald Waynant, Ilko Ilev, Kunal Mitra

Proc. SPIE. 5312, Lasers in Surgery: Advanced Characterization, Therapeutics, and Systems XIV

KEYWORDS: Breast, Ultrafast phenomena, Femtosecond phenomena, Tumors, Tissues, X-rays, Image resolution, Oxygen, X-ray imaging, 3D image processing

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Proceedings Article | 10 June 2004 Paper

A fiber optic approach for in vivo minimally invasive study of tissue optical properties

Ilko Ilev, Ronald Waynant, Kimberly Byrnes, Juanita Anders

Proc. SPIE. 5317, Optical Fibers and Sensors for Medical Applications IV

KEYWORDS: Laser sources, Light sources, Biomedical optics, Fiber optics, Optical properties, Tissues, Blood, In vivo imaging, Tissue optics, Connective tissue

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Proceedings Article | 12 September 2003 Paper

A concept for early cancer detection and therapy

Ronald Waynant, Ilko Ilev, Kunal Mitra

Proc. SPIE. 4949, Lasers in Surgery: Advanced Characterization, Therapeutics, and Systems XIII

KEYWORDS: Femtosecond phenomena, Cancer, Tumors, Tissues, X-rays, Laser scattering, Image resolution, Biopsy, Tissue optics, X-ray imaging

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Proceedings Article | 1 July 2003 Paper

Rare-earth oxide: aluminum oxide glasses for midrange IR devices

Richard Weber, Ronald Waynant, Ilko Ilev, Thomas Key, Paul Nordine

Proc. SPIE. 4957, Optical Fibers and Sensors for Medical Applications III

KEYWORDS: Oxides, Optical fibers, Mid-IR, Silica, Glasses, Luminescence, Infrared radiation, Erbium, Lanthanum, Liquids

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Proceedings Article | 1 July 2003 Paper

Combined fiber optic confocal microscopy for noninvasive optical sensing

Ilko Ilev, Ronald Waynant, Erik Gorman, Reggie Luedtke, Kimberly Byrnes, Juanita Anders

Proc. SPIE. 4957, Optical Fibers and Sensors for Medical Applications III

KEYWORDS: Confocal microscopy, Microscopes, Refractive index, Optical sensing, Fiber optics, Sensors, Oxygen, Fiber optics sensors, Transmittance, Fiber optics tests

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Proceedings Article | 24 July 2002 Paper

On-the-spot laser therapy using a smart tissue-activated fiber probe

Ilko Ilev, Ronald Waynant

Proc. SPIE. 4608, Nanostructure Science, Metrology, and Technology

KEYWORDS: Optical fibers, Laser therapeutics, Tissues, Beam delivery, Diagnostics, Fiber lasers, Radiation effects, Laser optics, Natural surfaces, Laser tissue interaction

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Proceedings Article | 26 March 2002 Paper

Smart optical fiber probes for precise tissue treatment

Ilko Ilev, Ronald Waynant, Mary Reiter

Proc. SPIE. 4616, Optical Fibers and Sensors for Medical Applications II

KEYWORDS: Optical fibers, Mid-IR, Laser therapeutics, Biomedical optics, Tissues, Skin, Fiber lasers, Tissue optics, Natural surfaces, Laser tissue interaction

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Proceedings Article | 26 March 2002 Paper

Transmission characteristics of an all-optical-waveguide biomedical system for x-ray delivery

Ronald Waynant, Ilko Ilev, Kunal Mitra, Israel Gannot, Robert Jennings

Proc. SPIE. 4616, Optical Fibers and Sensors for Medical Applications II

KEYWORDS: X-ray optics, Biomedical optics, Tumors, Waveguides, Reflection, Capillaries, Glasses, X-rays, Hollow waveguides, Lead

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Proceedings Article | 4 June 2001 Paper

Evanescent-wave delivery into a precise tissue area using fiber optic probes

Ilko Ilev, Ronald Waynant, Michael Bonaguidi

Proc. SPIE. 4253, Optical Fibers and Sensors for Medical Applications

KEYWORDS: Thermography, Infrared imaging, Laser therapeutics, Fiber optics, Tissues, Beam delivery, Fiber lasers, Infrared lasers, Infrared radiation, Laser tissue interaction

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Proceedings Article | 21 May 2001 Paper

Waveguide delivery of x rays for minimally invasive tumor therapy

Ronald Waynant, Ilko Ilev, Kunal Mitra

Proc. SPIE. 4244, Lasers in Surgery: Advanced Characterization, Therapeutics, and Systems XI

KEYWORDS: X-ray optics, Tumors, Waveguides, Tissues, Photons, X-rays, X-ray sources, Biopsy, Tissue optics, Hollow waveguides

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Proceedings Article | 16 April 2001 Paper

High-resolution fiber optic confocal microscope

Ilko Ilev, Ronald Waynant

Proc. SPIE. 4261, Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing VIII

KEYWORDS: Confocal microscopy, Multimode fibers, Optical fibers, Microscopes, Fiber optics, Fiber lasers, Objectives, Spatial resolution, Signal detection, Graded index fibers

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Proceedings Article | 19 January 2001 Paper

Ultraviolet, visible, and infrared laser delivery using laser-to-fiber coupling via a grazing-incidence-based hollow taper

Ilko Ilev, Ronald Waynant

Proc. SPIE. 4158, Biomonitoring and Endoscopy Technologies

KEYWORDS: Optical fibers, Optical filters, Visible radiation, Reflection, Glasses, Ultraviolet radiation, Reflectivity, Fiber lasers, Infrared lasers, Grazing incidence

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Proceedings Article | 10 December 1999 Paper

Medical applications of infrared fibers and waveguides

Ronald Waynant, Ilko Ilev, Israel Gannot

Proc. SPIE. 3849, Infrared Optical Fibers and Their Applications

KEYWORDS: Optical fibers, Waveguides, Tissues, Surgery, Glasses, Chalcogenides, Sapphire, Infrared radiation, Hollow waveguides, Liquids

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Showing 5 of 32 publications

Conference Committee Involvement (33)

Smart Biomedical and Physiological Sensor Technology XVIII

11 April 2021 | Orlando, Florida, United States

Optical Fibers and Sensors for Medical Diagnostics, Treatment and Environmental Applications XXI

6 March 2021 | Online Only, California, United States

Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XX

1 February 2020 | San Francisco, California, United States

Smart Biomedical and Physiological Sensor Technology XVI

15 April 2019 | Baltimore, Maryland, United States

Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XIX

2 February 2019 | San Francisco, California, United States

Smart Biomedical and Physiological Sensor Technology XV

15 April 2018 | Orlando, Florida, United States

Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XVIII

27 January 2018 | San Francisco, California, United States

Smart Biomedical and Physiological Sensor Technology XIV

9 April 2017 | Anaheim, California, United States

Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XVII

28 January 2017 | San Francisco, California, United States

Smart Biomedical and Physiological Sensor Technology XIII

18 April 2016 | Baltimore, Maryland, United States

Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XVI

13 February 2016 | San Francisco, California, United States

Smart Biomedical and Physiological Sensor Technology XII

23 April 2015 | Baltimore, Maryland, United States

Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XV

7 February 2015 | San Francisco, California, United States

Smart Biomedical and Physiological Sensor Technology XI

7 May 2014 | Baltimore, Maryland, United States

Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XIV

1 February 2014 | San Francisco, California, United States

Smart Biomedical and Physiological Sensor Technology X

1 May 2013 | Baltimore, Maryland, United States

Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XIII

2 February 2013 | San Francisco, California, United States

Smart Biomedical and Physiological Sensor Technology IX

26 April 2012 | Baltimore, Maryland, United States

Synthesis and Photonics of Nanoscale Materials IX

23 January 2012 | San Francisco, California, United States

Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XII

22 January 2012 | San Francisco, California, United States

Smart Biomedical and Physiological Sensor Technology VIII

28 April 2011 | Orlando, Florida, United States

Synthesis and Photonics of Nanoscale Materials VIII

24 January 2011 | San Francisco, California, United States

Optical Fibers, Sensors, and Devices for Biomedical Diagnostics and Treatment XI

22 January 2011 | San Francisco, California, United States

Smart Biomedical and Physiological Sensor Technologies VII

8 April 2010 | Orlando, Florida, United States

Synthesis and Photonics of Nanoscale Materials VII

27 January 2010 | San Francisco, California, United States

Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications X

23 January 2010 | San Francisco, California, United States

Inter-Institute Workshop on Optical Diagnostic and Biophotonic Methods from Bench to Bedside

1 October 2009 | Bethesda, Maryland, United States

Smart Biomedical and Physiological Sensor Technology VI

16 April 2009 | Orlando, Florida, United States

Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications IX

24 January 2009 | San Jose, California, United States

Synthesis and Photonics of Nanoscale Materials VI

24 January 2008 | San Jose, California, United States

Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications VIII

19 January 2008 | San Jose, California, United States

Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications VII

20 January 2007 | San Jose, California, United States

Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications VI

21 January 2006 | San Jose, California, United States

Showing 5 of 33 Conference Committees

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