Dr. Ehsan Dadrasnia Profile

Dr. Ehsan Dadrasnia

PhD Student at Univ Carlos III de Madrid

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Author

Publications (12)

Proceedings Article | 9 May 2016 Paper

Combining high power diode lasers using fiber bundles for beam delivery in optoacoustic endoscopy applications

Sandeep Babu Gawali, Luca Leggio, Miguel Sánchez, Sergio Rodríguez, Ehsan Dadrasnia, Daniel Gallego, Horacio Lamela

Proceedings Volume 9892, 98921W (2016) https://doi.org/10.1117/12.2227697

KEYWORDS: Ultrasonography, Semiconductor lasers, High power diode lasers, Endoscopy, Multimode fibers, Optical fibers, Fiber lasers, Nd:YAG lasers, Sensors, Beam delivery

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Proceedings Article | 17 March 2016 Paper

Optoacoustic response from graphene-based solutions embedded in optical phantoms by using 905-nm high-power diode-laser assemblies

Luca Leggio, Daniel Gallego, Sandeep Babu Gawali, Ehsan Dadrasnia, Miguel Sánchez, Sergio Rodríguez, Marta González, Guillermo Carpintero, Marek Osiński, Horacio Lamela

Proceedings Volume 9708, 97083M (2016) https://doi.org/10.1117/12.2207245

KEYWORDS: Optical fibers, Absorption, Chromophores, Near infrared, High power lasers, Graphene, High power diode lasers, Optical phantoms, Photoacoustic spectroscopy, Tissues, Scattering, Light scattering, Biomedical optics, Signal detection

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SPIE Journal Paper | 19 January 2015

Terahertz conductivity characterization of nanostructured graphene-like films for optoelectronic applications

Ehsan Dadrasnia, Horacio Lamela

JNP, Vol. 9, Issue 01, 093598, (January 2015) https://doi.org/10.1117/12.10.1117/1.JNP.9.093598

KEYWORDS: Terahertz radiation, Graphene, Optoelectronics, Thin films, Nanostructuring, Optoelectronic devices, Reflection, Electrons, Absorption, Refractive index

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SPIE Journal Paper | 3 January 2014

Terahertz electrical conductivity and optical characterization of composite nonaligned single- and multiwalled carbon nanotubes

Ehsan Dadrasnia, Sujitha Puthukodan, Horacio Lamela

JNP, Vol. 8, Issue 01, 083099, (January 2014) https://doi.org/10.1117/12.10.1117/1.JNP.8.083099

KEYWORDS: Terahertz radiation, Thin films, Carbon nanotubes, Absorption, Terahertz spectroscopy, Electrons, Semiconductors, Composites, Absorbance, Metals

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Proceedings Article | 27 September 2012 Paper

Terahertz conductivity studies in carbon nanotube networks prepared by the vacuum filtration method

Horacio Lamela, Ehsan Dadrasnia, Dong-Mok Lee, Seunghyun Baik, Mohan Babu Kuppam, Frédéric Garet, Jean-Louis Coutaz

Proceedings Volume 8462, 84620C (2012) https://doi.org/10.1117/12.931511

KEYWORDS: Terahertz radiation, Carbon nanotubes, Thin films, Terahertz spectroscopy, Absorption, Refractive index, Nanotechnology, Quartz, Mirrors, Nanostructures

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Proceedings Article | 27 September 2012 Paper

Studying and analyzing terahertz signals in carbon nanostructures thin-films

Ehsan Dadrasnia, Horacio Lamela

Proceedings Volume 8462, 84620E (2012) https://doi.org/10.1117/12.931516

KEYWORDS: Terahertz radiation, Thin films, Refractive index, Absorption, Nanostructures, Quartz, Carbon, Optical properties, Electromagnetism, Terahertz spectroscopy

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Proceedings Article | 29 May 2012 Paper

Carbon nanostructures properties by terahertz time-domain spectroscopy analysis for nanoengineering applications

Ehsan Dadrasnia, Horacio Lamela

Proceedings Volume 8401, 84010Q (2012) https://doi.org/10.1117/12.920646

KEYWORDS: Terahertz radiation, Single walled carbon nanotubes, Thin films, Carbon nanotubes, Nanostructures, Terahertz spectroscopy, Carbon, Nanoengineering, Absorption, Spectroscopes

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Proceedings Article | 28 February 2012 Paper

Temperature effects on the characterization of new quantum dot dual mode lasers for terahertz generation

B. Gonzalez, H. Lamela, E. Dadrasnia, V. Sichkovskyi, K. Kozhuharov, J. P. Reithmaier

Proceedings Volume 8255, 82550C (2012) https://doi.org/10.1117/12.910095

KEYWORDS: Laser damage threshold, Semiconductor lasers, Quantum dots, Temperature metrology, Quantum efficiency, Terahertz radiation, Quantum wells, Tunable lasers, Extremely high frequency, Transparency

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Proceedings Article | 28 February 2012 Paper

Thermally tunable DFB dual mode laser diode by an external platinum thin-film heater for THz generation

E. Dadrasnia, B. Gonzalez, H. Lamela, K. Kozhuharov, V. Sichkovskyi, J. P. Reithmaier

Proceedings Volume 8255, 825512 (2012) https://doi.org/10.1117/12.910097

KEYWORDS: Terahertz radiation, Platinum, Semiconductor lasers, Tunable lasers, Semiconductors, Thin films, Thermal effects, Continuous wave operation, Resistance, Laser applications

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Proceedings Article | 28 February 2012 Paper

THz time-domain spectroscopy in different carbon nanotube thin films

Ehsan Dadrasnia, Horacio Lamela, Mohan-Babu Kuppam, Frédéric Garet, Jean-Louis Coutaz

Proceedings Volume 8261, 82610Y (2012) https://doi.org/10.1117/12.910099

KEYWORDS: Terahertz radiation, Single walled carbon nanotubes, Thin films, Carbon, Nanostructures, Carbon nanotubes, Spectroscopy, Absorption, Terahertz spectroscopy, Microwave radiation

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Proceedings Article | 27 September 2011 Paper

Optical and electrical characterization of carbon nanotubes by terahertz spectroscopy: comparison between modeling and experimental results

Ehsan Dadrasnia, Horacio Lamela

Proceedings Volume 8096, 80963P (2011) https://doi.org/10.1117/12.895170

KEYWORDS: Single walled carbon nanotubes, Terahertz radiation, Absorption, Thin films, Terahertz spectroscopy, Carbon nanotubes, Dielectrics, Data modeling, Semiconductors, Refraction

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Proceedings Article | 19 September 2011 Paper

Carbon nanotube terahertz spectroscopy: study of absorption and dispersion properties of SWNT and MWNT

Horacio Lamela, Ehsan Dadrasnia, Frédéric Garet, Mohan Babu Kuppam, Jean-Louis Coutaz

Proceedings Volume 8101, 81010G (2011) https://doi.org/10.1117/12.895221

KEYWORDS: Single walled carbon nanotubes, Terahertz radiation, Absorption, Carbon nanotubes, Thin films, Refractive index, Terahertz spectroscopy, Spectroscopy, Quartz, Refraction

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Showing 5 of 12 publications

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