Advanced Imaging Systems

B. Heshmat*, M. Tancik, G. Satat, R. Raskar, ‘Photography optics in the time dimension’ Nature Photonics, 2018, URL, MIT News.

B. Heshmat*, G. M. Andrew, O. A. Montoya, E. C. Camus, D. Ciceri, A. Allanore, E. Shannon, M. Poitzsch, R.  Raskar. ‘Estimation of macro:micro porosity ratio using THz scattering’ Optics Express, Vol. 25, No. 22, pp.370-385 (2017).

G. Satat, M. Tancik, O. Gupta, B. Heshmat and R. Raskar, "Object Classification through Scattering Media with Deep Learning on Time Resolved Measurement," Optics Express, Vol. 25, No. 15 17466-17479 (2017).

G. Satat, B. Heshmat, D. Raviv, R. Raskar, "All-photon-imaging: resolving images behind thick diffusers using scattered photons”, NPG Scientific Reports, 6:33946, (2016).URL, MIT News.

A. Redo Sanchez, B. Heshmat,A. Aghasi, S. Naghavi, M. Zhang, R. Raskar, "Terahertz time-gated spectral imaging for content extraction through layered structures",Nature Communications,7, 12665, (2016). URL, MIT News. BBC,

B. Heshmat*, I. H. Lee, R. Raskar, "Optical brush: Imaging through permuted probes", NPG Scientific Reports, Vol. 6, 20217, (2016), URL, MIT News

A. Aghasi, B. Heshmat, A. R. Sanchez, J. Romberg, R. Raskar. “Blind demodulation: an approach to fringe-free time-resolved THz imaging” Optica, Vol. 3 pp. 754-762 (2016).

M. H. Kamal, B. Heshmat, R. Raskar, P. Vandergheynst, G. Wetzstein, “Tensor low-rank and sparse light field photography” J. of Comp. Vis. and Im. Und., 145, 172-181, (2016).

G. Satat, B. Heshmat*, C. Barsi, D. Raviv, O. Chen, M. Bawendi, R. Raskar, "Locating fluorescent lifetimes behind turbid layers non-invasively using sparse time-resolved inversion", Nature Communications,Vol. 6, pp.6796, (2015).

G. Gariepy, N. Krstaji, R. Henderson, C. Li, R. R. Thomson, G. S. Buller, B. Heshmat, R. Raskar, J. Leach, and D. Faccio, "Single-photon sensetive light in flight imaging", Nature Communications, Vol. 6, pp. 6021, (2015).

H. Ikoma, B. Heshmat*, G. Wetzstein, R. Raskar, "Attenuation-corrected fluorescence spectra unmixing for spectroscopy and microscopy", Optics Express, Vol. 22, Iss. 16, pp.19469-19483 (2014).

G. Satat, B. Heshmat, R. Raskar, “All Photons Imaging Through Layered Scattering Materials”, COSI, CA, USA, JTu5A. 8, 2017.

B. Heshmat, H. Ikoma, I. H. Lee, K. Rastogi, R. Raskar, "Computational hair quality categorization in lower magnifications", Phot. West. SPIE. 9333-36, 2015.

B. Heshmat, et al., "Single-shot ultrafast imaging using parallax-free alignment with a tilted lenslet array",CLEO, CA, USA, STu3E. 7, 2014.

H. Ikoma, B. Heshmat, et al., "Nonlinear fluorescence spectra unmixing",CLEO, CA, USA, JTh2A. 9, 2014.

G. Satat, B. Heshmat, et al., "Locating fluorophores behind diffuser using sparse, time-resolved inversion",CLEO, CA, USA, JTh2A. 43, 2014.

AR/VR Display Systems

B. Heshmat*,"Fundamental limitations for augmented reality displays with visors, waveguides or other passive optics", COSI, FL, USA, 3M5G. 1, 2018.

B. Heshmat*, L. Wei, S. Baldasi, ‘Quantization and limits of human depth perception for head mounted displays’ Nature Methods, (to be submitted)

nanoopticscNano-Optics and Advanced Materials

B. Groever, B. Heshmat*, R. Raskar, “Tyndall windows: scattering of solid-liquid matching mixtures” ACS Photonics, 3 (6), pp. 930–935, (2016), MIT News.

B. Heshmat, M. Masnadi-Shirazi, R. B. Lewis, J. Zhang, T. Tiedje, R. Gordon, T. E. Darcie,"Enhanced Terahertz Bandwidth and Power from GaAsBi-based Sources", Advanced Optical Materials, Vol. 1, Iss 10, pp. 714-719, (2013).

B. Heshmat, M. Masnadi-Shirazi, R. B. Lewis, T. Tiedje, R. Gordon, T. E. Darcie,"Nanoplasmonics for terahertz" SPP6, Ottawa, Canada, 2013.

B. Heshmat, H. Pahlevaninezhad,Y. Pang, M. Masnadi, R. Lewis, T. Tiedje, R. Gordon and T. E. Darcie "Nanoplasmonic terahertz photoconductive switch on GaAs", Nanoletter, Vol. 12, Iss.12, pp.6255–6259 (2012).

B.Heshmat, H. Pahlevaninezhad, T.E. Darcie"Efficient low-power autocorrelation measurement with carbon nanotube photoconductors", CLEO, pp. JW2A.3, 2012.

B. Heshmat, H. Pahlevaninezhad, and T.E. Darcie "THz detection with carbon nanotube based photoconductive switches: An assessment of capabilities and limitations", IEEE Photonics Journal, Vol. 4, Iss. 3, pp.970-985,(2012).

B. Heshmat, H. Pahlevaninezhad, M. C. Beard,C. Papadopoulos and T.E. Darcie,"Single wall carbon nanotubes as base material for THz photomixing: A Theoretical study from input power to output THz emssion", Optics Express, Vol. 19, Iss. 16, pp.15077-15089 (2011).

B. Heshmat, D. Li, T. E. Darcie, R. Gordon, " Tuning plasmonic resonances of an annular aperture in metal plate " Optics Express, Vol. 19, Iss. 7, pp. 5912–5923 (2011).

B. Heshmat, H. Pahlevaninezhad, T.E. Darcie and C. Papadopoulos,"Evaluation of Carbon Nanotubes For THz Photomixing", IEEE Int. Conf., 2010.

THz Devices

B. Heshmat, H. Pahlevaninezhad, T.E. Darcie , "Optical efficiency enhancement methods for terahertz receiving photoconductive switches" J. of Opt. & L. Tech., Vol 54, pp. 297–302 (2013).

B. Heshmat, M. Masnadi-Shirazi, R. B. Lewis, T. Tiedje, T. E. Darcie, "Dual THz emissions of GaAsBi for THz photoconductive switching", CLEO, CA, USA , 2013.

M. Masnadi, R. B. Lewis, B. Heshmat, V. Bahrami, T. Tiedje, T. E. Darcie, P. Servati, "Optical and electronic transport properties of MBE-grown GaAs1-xBix (0 < x < 20%)", MRS Spring, CA, USA, pp. FF1.04, 2013.

H. Pahlevaninezhad, B. Heshmat and T. E. Darcie "Efficient THz slotline waveguides" Optics Express, Vol. 19 Iss. 26, pp.B47-B55 (2011)

B. Heshmat, H. Pahlevaninezhad, T. E. Darcie, "Dynamics of noise in THz photomixers as a receiver sensor", OSA, Advanced photonics conf., pp. PSTuC7 2011.

T. E. Darcie, H. Pahlevaninezhad, B. Heshmat, Fellow, IEEE, "Toward efficient THz sources and waveguides", IEEE/OSA Eouropian Confernece on Optical Comunication (ECOC) , 2011.

H. Pahlevaninezhad, B. Heshmat, T. E. Darcie, Fellow, IEEE, "Advances in THz technology", IEEE Photonics, Vol. 3, Iss. 2, pp. 307-310, 2011.

H. Pahlevaninezhad, T.E. Darcie, Fellow IEEE, B. Heshmat,"Advances in THz waveguides and transmission lines," Photonics North SPIE,2011.

H. Pahlevaninezhad, B. Heshmat, T. E. Darcie, Fellow, IEEE, "Modeling Terahertz Detector based on Photomixing"IEEE conf., 2010.

H. Pahlevaninezhad, T.E. Darcie, Fellow IEEE, B. Heshmat, "Two-Wire Waveguide for Terahertz", Optics Express, Vol. 18, Issue 7, pp. 7415-7420 (2010).

T.E. Darcie, H. Pahlevaninezhad, B. Heshmat, "Advances in THz technology", Invited paper, 23rd IEEE Photonics A. M., 2010.




B. Heshmat, T. E. Darcie, Hamid Pahlevaninezhad, Keith Taylor, "Improved interaction geometries for efficient acousto-optic beam deflection probing in air"OSA Conf. 2012.

B. Heshmat, H. Pahlevaninezhad, T. E. Darcie, K. Taylor, M. Omoomi, S. Sadri, " The effect of detector distance in acousto-optical beam deflection probing in air," J. of Opt. & L. Tech., Vol. 44, pp. 734-760, (2012).

Robotics and Mathematics


B. Heshmat, A. Fouladgar and K. Rostamzadeh “Topological metrics for evaluating selfreconfigurable modules properties (Flexibility)”, IEEE ICMA, 2009.

B. Heshmat, K. Rostamzadeh and A. Fouladgar “Topological metrics for evaluating selfreconfigurable modules properties (Expansion & Connectivity)” IEEE International Conference on Mechatronics and Automation (ICMA), 2008.



I.N. Patent, B. Heshmat, Flexible wearable solar charger compatible with variety of portable multimedia devices, (18 April 2007).

I.N. Patent, B. Heshmat, S. Sadri, M. Omoomi, Chain refractions method for designing 3D acousto-optical patterns,(22 April 2008).

US patent , B. Heshmat, T. E. Darcie, R. Gordon, Plasmonic interlaced PC switch, 14/055,825.(2014)

US Patent, B. Heshmat, I. H. Lee, H. Bedri, R. Raskar, Optical Brush, (May 2016).

US Patent, B. Heshmat, Time-folded imaging; Methods and Apparatus for Imaging Using Optical Cavity, 15682145, (Aug 2017).

US Provisional Patent, B. Groever, B. Heshmat, R. Raskar, 62161795, Tyndall windows, (May 2015).

US Provisional Patent, B. Heshmat, I. H. Lee, R. Raskar, Computational hair categorization at lower magnification, 17772T, (Jun. 2015).

US Patent, A. Redo Sanchez, B. Heshmat, R. Raskar, Methods and apparatus for remote subwavelength imaging, 19084T, (Oct. 2016).

US Patent,  B. Heshmat, A. Redo Sanchez, A. Aghasi, J. Romberg, R. Raskar, Batch Scanning Using Time-of-Flight , 19855TJ, (Aug 2017).

US Provisional Patent, B. Heshmat, On axis augmented reality displays with waveguide backlights, 15/816,842, (Oct. 2017).

US Provisional Patent, B. Heshmat and M. Burger, Contoured plasma filament for virtual airborne circuits, in preparation (Oct. 2017).