Dr. Martin O. Culjat Profile

Dr. Martin O. Culjat

Engineer Research Director at CASIT

SPIE Involvement:

Author

Publications (19)

Proceedings Article | 18 October 2012 Paper

Fast-scanning THz medical imaging system for clinical application

Shijun Sung, Neha Bajwa, Nuhba Fokwa, Priyamvada Tewari, Rahul Singh, Martin Culjat, Bryan Nowroozi, Warren Grundfest, Zachary Taylor

Proceedings Volume 8496, 84960S (2012) https://doi.org/10.1117/12.946013

KEYWORDS: Terahertz radiation, Imaging systems, Mirrors, Tissues, Objectives, Medical imaging, Lenses, Image acquisition, Target acquisition, Reflectivity

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Proceedings Article | 15 October 2012 Paper

Reflective THz and MR imaging of burn wounds: a potential clinical validation of THz contrast mechanisms

Neha Bajwa, Bryan Nowroozi, Shijun Sung, James Garritano, Ashkan Maccabi, Priyamvada Tewari, Martin Culjat, Rahul Singh, Jeffry Alger, Warren Grundfest, Zachary Taylor

Proceedings Volume 8496, 84960X (2012) https://doi.org/10.1117/12.934449

KEYWORDS: Terahertz radiation, Magnetic resonance imaging, Tissues, Skin, In vivo imaging, Reflectivity, Visualization, Injuries, Medical imaging, Natural surfaces

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SPIE Journal Paper | 21 September 2012 Open Access

Assessment of corneal hydration sensing in the terahertz band: in vivo results at 100 GHz

David Bennett, Zachary Taylor, Priyamvada Tewari, Sijun Sung, Ashkan Maccabi, Rahul Singh, Martin Culjat, Warren Grundfest, Jean-Pierre Hubschman, Elliott Brown

JBO, Vol. 17, Issue 9, 097008, (September 2012) https://doi.org/10.1117/12.10.1117/1.JBO.17.9.097008

KEYWORDS: Cornea, Terahertz radiation, Tissues, In vivo imaging, Water, Reflectivity, Dielectrics, Spectroscopy, Skin, Surgery

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SPIE Journal Paper | 6 April 2012 Open Access

In vivo terahertz imaging of rat skin burns

Priyamvada Tewari, Neha Bajwa, Rahul Singh, Martin Culjat, Warren Grundgest, Zachary Taylor, Colin Kealey, David Bennett, Kelli Barnett, Alexander Stojadinovic

JBO, Vol. 17, Issue 04, 040503, (April 2012) https://doi.org/10.1117/12.10.1117/1.JBO.17.4.040503

KEYWORDS: Skin, Terahertz radiation, Reflectivity, Tissues, Injuries, In vivo imaging, Abdomen, Millimeter wave imaging, Medical imaging, Imaging systems

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Proceedings Article | 6 March 2012 Paper

Advances in biomedical imaging using THz technology with applications to burn-wound assessment

Priyamvada Tewari, Colin Kealey, Shijun Sung, Ashkan Maccabi, Neha Bajwa, Rahul Singh, Martin Culjat, Alexander Stojadinovic, Warren Grundfest, Zachary Taylor

Proceedings Volume 8261, 82610T (2012) https://doi.org/10.1117/12.915987

KEYWORDS: Terahertz radiation, Tissues, Imaging systems, Injuries, Reflectivity, Skin, Diagnostics, Biomedical optics, Medical imaging, Sensors

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Proceedings Article | 28 February 2012 Paper

In vitro cell system for studying molecular mechanisms of action associated with low intensity focused ultrasound

Meghedi Babakhanian, Richard Fan, Amit Mulgaonkar, Rahul Singh, Martin Culjat, Shahab Danesh, Ligia Toro, Warren Grundfest, William Melega

Proceedings Volume 8214, 82140S (2012) https://doi.org/10.1117/12.911602

KEYWORDS: Ultrasonography, Brain, In vivo imaging, Acoustics, In vitro testing, Potassium, Modulation, Molecular mechanisms, Transducers, Chemical elements

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Proceedings Article | 17 September 2011 Paper

A scanned beam THz imaging system for medical applications

Zachary Taylor, Wenzao Li, Jon Suen, Priyamvada Tewari, David Bennett, Neha Bajwa, Elliott Brown, Martin Culjat, Warren Grundfest, Rahul Singh

Proceedings Volume 8119, 811906 (2011) https://doi.org/10.1117/12.894362

KEYWORDS: Terahertz radiation, Mirrors, Imaging systems, Beam splitters, Sensors, Objectives, Medical imaging, Signal to noise ratio, Image acquisition, Target acquisition

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SPIE Journal Paper | 1 May 2011 Open Access

Terahertz sensing in corneal tissues

David Bennett, Zachary Taylor, Priyamvada Tewari, Rahul Singh, Martin Culjat, Warren Grundfest, Daniel Sassoon, R. Duncan Johnson, Jean-Pierre Hubschman, Elliott Brown

JBO, Vol. 16, Issue 05, 057003, (May 2011) https://doi.org/10.1117/12.10.1117/1.3575168

KEYWORDS: Terahertz radiation, Cornea, Tissues, Water, Reflectivity, Imaging systems, Spectroscopy, Eye, Imaging spectroscopy, Surgery

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Proceedings Article | 18 April 2011 Paper

Reflective measurement of water concentration using millimeter wave illumination

Shijun Sung, David Bennett, Zachary Taylor, Neha Bajwa, Priyamvada Tewari, Ashkan Maccabi, Martin Culjat, Rahul Singh, Warren Grundfest

Proceedings Volume 7984, 798434 (2011) https://doi.org/10.1117/12.883257

KEYWORDS: Reflectivity, Terahertz radiation, Water, Extremely high frequency, Skin, Tissues, Liver, Injuries, Cornea, Diodes

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Proceedings Article | 24 February 2011 Paper

Terahertz time-lapse imaging of hydration in physiological tissues

David Bennett, Zachary Taylor, Neha Bajwa, Priyamvada Tewari, Ashkan Maccabi, Shijun Sung, Rahul Singh, Martin Culjat, Warren Grundfest, Elliott Brown

Proceedings Volume 7938, 793808 (2011) https://doi.org/10.1117/12.882962

KEYWORDS: Terahertz radiation, Tissues, Cornea, Skin, Water, Imaging systems, Reflectivity, Visualization, Spectroscopy, Binary data

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Proceedings Article | 12 March 2010 Paper

Designing multistatic ultrasound imaging systems using software analysis

Michael Lee, Rahul Singh, Martin Culjat, Scott Stubbs, Shyam Natarajan, Elliott Brown, Warren Grundfest, Hua Lee

Proceedings Volume 7629, 76290S (2010) https://doi.org/10.1117/12.845581

KEYWORDS: Transducers, Ultrasonography, Data modeling, Imaging systems, Image processing, Reconstruction algorithms, Imaging arrays, Data acquisition, Image acquisition, MATLAB

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Proceedings Article | 12 March 2010 Paper

Accurate step-FMCW ultrasound ranging and comparison with pulse-echo signaling methods

Shyam Natarajan, Rahul Singh, Michael Lee, Brian Cox, Martin Culjat, Warren Grundfest, Hua Lee

Proceedings Volume 7629, 76290D (2010) https://doi.org/10.1117/12.845539

KEYWORDS: Ranging, Ultrasonography, Transducers, Acoustics, Signal to noise ratio, Signal processing, Signal detection, Fourier transforms, Signal attenuation, Receivers

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Proceedings Article | 12 March 2010 Paper

Fabrication of a conformal ring-annular ultrasound array

Aaron Dann, David Bennett, Rahul Singh, Jean-Jacques Lemaire, Warren Grundfest, Martin Culjat

Proceedings Volume 7629, 76290R (2010) https://doi.org/10.1117/12.844634

KEYWORDS: Transducers, Ultrasonography, Chemical elements, Silicon, Ferroelectric materials, Semiconducting wafers, Imaging arrays, Thin films, Deep reactive ion etching, Silicon films

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Proceedings Article | 23 February 2010 Paper

THz imaging of skin hydration: motivation for the frequency band

Rahul Singh, Zachary Taylor, Priyamvada Tewari, David Bennett, Martin Culjat, Hua Lee, Elliott Brown, Warren Grundfest

Proceedings Volume 7555, 755513 (2010) https://doi.org/10.1117/12.845820

KEYWORDS: Terahertz radiation, Skin, Scattering, Imaging systems, Reflectivity, Spatial resolution, Signal attenuation, Absorption, Dielectrics, Tissues

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Proceedings Article | 23 February 2010 Paper

Step-FMCW signaling and target detection for ultrasound imaging systems with conformal transducer arrays

Shyam Natarajan, Rahul Singh, Michael Lee, Brian Cox, Martin Culjat, Hua Lee, Warren Grundfest

Proceedings Volume 7555, 75550M (2010) https://doi.org/10.1117/12.845379

KEYWORDS: Transducers, Ultrasonography, Signal detection, Imaging systems, Target detection, Image restoration, Acoustics, Signal processing, Medical imaging, Receivers

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Proceedings Article | 8 April 2009 Paper

A conformal ultrasound transducer array featuring microfabricated polyimide joints

David Bennett, Martin Culjat, Brian Cox, Aaron Dann, Kimani Williams, Hua Lee, Elliott Brown, Warren Grundfest, Rahul Singh

Proceedings Volume 7295, 72951W (2009) https://doi.org/10.1117/12.815498

KEYWORDS: Transducers, Ultrasonography, Silicon, Ferroelectric materials, Silicon films, Thin films, Etching, Polymers, Chemical elements, Microfabrication

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Proceedings Article | 13 March 2009 Paper

Waveform synthesis for the design and image reconstruction of step FMCW ultrasound imaging systems with conformal transducer arrays

Michael Lee, Rahul Singh, Martin Culjat, Shyam Natarajan, Brian Cox, Elliott Brown, Warren Grundfest, Hua Lee

Proceedings Volume 7265, 72650C (2009) https://doi.org/10.1117/12.812206

KEYWORDS: Ultrasonography, Transducers, Imaging systems, Image restoration, Imaging arrays, Signal detection, Algorithm development, Signal attenuation, Data acquisition, Image acquisition

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