publications

2025

1. arXiv

   

   Graphics processing unit accelerated Helmholtz equation solver in two dimensions using the traditional Born series formulation for linear and nonlinear media in biomedical ultrasound

   Ujjal Mandal, Jagpreet Singh, Ben T. Cox, and 1 more author

   arXiv. More Information can be found here , 2025

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   @article{MANDAL2025100724,
     author = {Mandal, Ujjal and Singh, Jagpreet and Cox, Ben T. and Saha, Ratan K.},
     keywords = {Helmholtz equation, Green’s function, Convergent Born series, Multiple scattering, Multi-thread/parallel computation, GPU computation},
     title = {Graphics processing unit accelerated Helmholtz equation solver in two dimensions using the traditional Born series formulation for linear and nonlinear media in biomedical ultrasound},
     journal = {arXiv},
     volume = {43},
     pages = {100724},
     year = {2025},
     issn = {2213-5979},
     doi = {https://doi.org/10.1016/j.pacs.2025.100724},
     url = {https://arxiv.org/abs/2507.13754},
   }

2. Photoacoustics

   

   Efficient implementations of a Born Series for computing photoacoustic field from a collection of erythrocytes

   Ujjal Mandal, Navroop Singh, Kartikay Singh, and 5 more authors

   Photoacoustics. More Information can be found here , 2025

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   @article{MANDAL2025100725,
     author = {Mandal, Ujjal and Singh, Navroop and Singh, Kartikay and Hagone, Vinit Nana and Singh, Jagpreet and Anand, Anshu S. and Cox, Ben T. and Saha, Ratan K.},
     keywords = {Helmholtz equation, Green’s function, Convergent Born series, Multiple scattering, Multi-thread/parallel computation, GPU computation},
     title = {Efficient implementations of a Born Series for computing photoacoustic field from a collection of erythrocytes},
     journal = {Photoacoustics},
     volume = {43},
     pages = {100724},
     year = {2025},
     issn = {2213-5979},
     doi = {10.1016/j.pacs.2025.100724},
     url = {https://www.sciencedirect.com/science/article/pii/S2213597925000473},
   }

2023

1. SPIE

   

   On the Born series methods for solving inhomogeneous Helmholtz equation in biomedical photoacoustics

   Ujjal Mandal, Jagpreet Singh, and Ratan K Saha

   In Opto-Acoustic Methods and Applications in Biophotonics VI. More Information can be found here , 2023

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   @inproceedings{Mandal:23,
     author = {Mandal, Ujjal and Singh, Jagpreet and Saha, Ratan K},
     keywords = {Absorption coefficient; Finite element method; Fourier transforms; Photoacoustic imaging; Resolution; Spatial resolution},
     booktitle = {Opto-Acoustic Methods and Applications in Biophotonics VI},
     journal = {Opto-Acoustic Methods and Applications in Biophotonics VI},
     pages = {126310W},
     publisher = {Optica Publishing Group},
     title = {On the Born series methods for solving inhomogeneous Helmholtz equation in biomedical photoacoustics},
     year = {2023},
     url = {https://opg.optica.org/abstract.cfm?uri=ECBO-2023-126310W},
     doi = {10.1117/12.2670935},
   }

2. SPIE

   

   Estimation of optoacoustic spectra for normal and pathological red blood cells using a modified Green’s function approach

   Ratan K Saha and Ujjal Mandal

   In Opto-Acoustic Methods and Applications in Biophotonics VI. More Information can be found here , 2023

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   @inproceedings{Saha:23,
     author = {Saha, Ratan K and Mandal, Ujjal},
     keywords = {Absorption coefficient; Beam splitters; Biophotonics; Energy; Frequency modulation; Optical absorption},
     booktitle = {Opto-Acoustic Methods and Applications in Biophotonics VI},
     journal = {Opto-Acoustic Methods and Applications in Biophotonics VI},
     pages = {1263109},
     publisher = {Optica Publishing Group},
     title = {Estimation of optoacoustic spectra for normal and pathological red blood cells using a modified Green's function approach},
     year = {2023},
     url = {https://opg.optica.org/abstract.cfm?uri=ECBO-2023-1263109},
     doi = {10.1117/12.2670933},
   }