IIT Kanpur

Education / Work History

  • Ph.D., Physikalisch-Technische Bundesanstalt (PTB) Division 2 Electricity (2007-2011)
  • M.Tech, Center for Lasers and Photonics (CELP), IIT Kanpur (2005-2007)

Research Topic / Interest

Contact me to know my current interests.

Publications

These include only those published in our lab.

  1. Molecular Structure-Property Correlations from Optical Nonlinearity and Thermal-Relaxation Dynamics. I. Bhattacharyya, S. Priyadarshi, and D. Goswami, Chemical Physics Letters 469(1), 104–109 (2009) [Abstract] [PDF] [BibTeX]

    Abstract: We apply ultrafast single beam Z-scan technique to measure saturation absorption coefficients and nonlinear-refraction coefficients of primary alcohols at 1560nm. The nonlinear effects result from vibronic transitions and cubic nonlinear-refraction. To measure the pure total third-order nonlinear susceptibility, we removed thermal effects with a frequency optimized optical-chopper. Our measurements of thermal-relaxation dynamics of alcohols, from 1560nm thermal lens pump and 780nm probe experiments revealed faster and slower thermal-relaxation timescales, respectively, from conduction and convection. The faster timescale accurately predicts thermal-diffusivity, which decreases linearly with alcohol chain-lengths since thermal-relaxation is slower in heavier molecules. The relation between thermal-diffusivity and alcohol chain-length confirms structure-property relationship.

     BibTeX: @article{bhattacharyyaMolecularStructurepropertyCorrelations2009,
      title = {Molecular Structure-Property Correlations from Optical Nonlinearity and Thermal-Relaxation Dynamics},
      volume = {469},
      issn = {0009-2614},
      url = {http://www.sciencedirect.com/science/article/pii/S0009261408017028},
      doi = {10/cpq233},
      number = {1},
      journaltitle = {Chemical Physics Letters},
      urldate = {2019-08-14},
      date = {2009-02-03},
      pages = {104-109},
      author = {Bhattacharyya, Indrajit and Priyadarshi, Shekhar and Goswami, Debabrata}
    }
    
  2. Molecular Structure-Property Correlations from Optical Nonlinearity and Thermal-Relaxation Dynamics. I. Bhattacharyya, S. Priyadarshi, and D. Goswami, Chemical Physics Letters 469(1), 104–109 (2009) [Abstract] [PDF] [BibTeX]

    Abstract: We apply ultrafast single beam Z-scan technique to measure saturation absorption coefficients and nonlinear-refraction coefficients of primary alcohols at 1560nm. The nonlinear effects result from vibronic transitions and cubic nonlinear-refraction. To measure the pure total third-order nonlinear susceptibility, we removed thermal effects with a frequency optimized optical-chopper. Our measurements of thermal-relaxation dynamics of alcohols, from 1560nm thermal lens pump and 780nm probe experiments revealed faster and slower thermal-relaxation timescales, respectively, from conduction and convection. The faster timescale accurately predicts thermal-diffusivity, which decreases linearly with alcohol chain-lengths since thermal-relaxation is slower in heavier molecules. The relation between thermal-diffusivity and alcohol chain-length confirms structure-property relationship.

     BibTeX: @article{bhattacharyyaMolecularStructurepropertyCorrelations2010,
      title = {Molecular Structure-Property Correlations from Optical Nonlinearity and Thermal-Relaxation Dynamics},
      author = {Bhattacharyya, Indrajit and Priyadarshi, Shekhar and Goswami, Debabrata},
      date = {2009-02-03},
      journaltitle = {Chemical Physics Letters},
      shortjournal = {Chemical Physics Letters},
      volume = {469},
      pages = {104--109},
      issn = {0009-2614},
      doi = {10/cpq233},
      url = {http://www.sciencedirect.com/science/article/pii/S0009261408017028},
      urldate = {2019-08-14},
      file = {/run/media/haozeke/Storage/Zotero/storage/BWEEUAKE/dgoswamiFemtoLab-Bhattacharyya_et_al_2009_Molecular_structure-property_correlations_from_optical_nonlinearity_and.pdf;/run/media/haozeke/Storage/Zotero/storage/9QVXQQIH/S0009261408017028.html},
      keywords = {_tablet},
      number = {1}
    }
    
  3. Future Challenges: General Discussion. E. D. Jemmis, S. Aravamudhan, E. Arunan, A. Shahi, N. Hunt, C. Schnedermann, J. R. Helliwell, M. Ashfold, H. P. Goswami, A. Nenov, V. Deckert, P. R. Chowdhury, K. Ghiggino, R. J. Dwayne Miller, D. Goswami, W. Junge, J. Howard, K. Tominaga, T. B. van Driel, M. Zanni, S. Umapathy, M. M. Nielsen, R. Pal, and S. Mukamel, Faraday Discussions 177(0), 517–545 (2015) [PDF] [BibTeX]
     BibTeX: @article{d.jemmisFutureChallengesGeneral2015,
      title = {Future Challenges: General Discussion},
      shorttitle = {Future Challenges},
      author = {D. Jemmis, E. and Aravamudhan, Sankarampadi and Arunan, Elangannan and Shahi, Abhishek and Hunt, Neil and Schnedermann, Christoph and R. Helliwell, John and Ashfold, Mike and Goswami, Himangshu Prabal and Nenov, Artur and Deckert, Volker and Chowdhury, Priyadarshi Roy and Ghiggino, Kenneth and Dwayne Miller, R. J. and Goswami, Debabrata and Junge, Wolfgang and Howard, Judith and Tominaga, Keisuke and van Driel, Tim Brandt and Zanni, Martin and Umapathy, Siva and Nielsen, Martin Meedom and Pal, R. and Mukamel, Shaul},
      date = {2015},
      journaltitle = {Faraday Discussions},
      volume = {177},
      pages = {517--545},
      doi = {10/gf5ms3},
      url = {https://my.pcloud.com/publink/show?code=XZtIxr7Zt8MyC5erIwYzX49baog4w0S8DjUV},
      urldate = {2019-08-01},
      file = {/run/media/haozeke/Storage/Zotero/storage/RHSKYZSV/dgoswamiFemtoLab-D._Jemmis_et_al_2015_Future_challenges.pdf;/run/media/haozeke/Storage/Zotero/storage/JJ5P2DAW/c5fd90019k.html},
      keywords = {_tablet},
      langid = {english},
      number = {0}
    }
    
  4. Dynamics of Chemical Bond: General Discussion. K. Dhoke, M. Zanni, U. Harbola, R. K. Venkatraman, E. Arunan, K.-C. Lin, A. Nenov, J. Skelton, R. J. D. Miller, J. D. Hirst, V. Aquilanti, J. R. Helliwell, S. Keshavamurthy, S. Ramesh, M. Ashfold, A. Pallipurath, P. Roy Chowdhury, S. Mukhopadhyay, J. E D, H. Medhi, D. Goswami, P. Halder, W. Junge, M. Hariharan, S. K. Singh, S. Umapathy, A. Lakshmannam, M. Meedom Nielsen, S. Aravamudhan, V. Deckert, K. Ghiggino, K. Tominaga, and A. Edwards, Faraday Discussions 177, 121–154 (2015) [PDF] [BibTeX]
     BibTeX: @article{dhokeDynamicsChemicalBond2015,
      title = {Dynamics of Chemical Bond: General Discussion},
      shorttitle = {Dynamics of Chemical Bond},
      author = {Dhoke, Kunal and Zanni, Martin and Harbola, Upendra and Venkatraman, Ravi Kumar and Arunan, Elangannan and Lin, King-Chuen and Nenov, Artur and Skelton, Jonathan and Miller, R J Dwayne and Hirst, Jonathan D. and Aquilanti, Vincenzo and Helliwell, John R. and Keshavamurthy, Srihari and Ramesh, Sai and Ashfold, Mike and Pallipurath, Anuradha and Roy Chowdhury, Priyadarshi and Mukhopadhyay, Sanghamitra and E D, Jemmis and Medhi, Himani and Goswami, Debabrata and Halder, Prasenjit and Junge, Wolfgang and Hariharan, Mahesh and Singh, Santosh Kumar and Umapathy, Siva and Lakshmannam, Adithya and Meedom Nielsen, Martin and Aravamudhan, Sankarampadi and Deckert, Volker and Ghiggino, Kenneth and Tominaga, Keisuke and Edwards, Alison},
      date = {2015},
      journaltitle = {Faraday Discussions},
      shortjournal = {Faraday Discuss.},
      volume = {177},
      pages = {121--154},
      issn = {1359-6640, 1364-5498},
      doi = {10.1039/C5FD90016F},
      url = {https://my.pcloud.com/publink/show?code=XZhaxr7ZFTPN6Cuqf08xjq5XSTjI4zaNU8Sy},
      urldate = {2019-08-01},
      file = {/run/media/haozeke/Storage/Zotero/storage/QZI3SS6U/dgoswamiFemtoLab-Dhoke_et_al_2015_Dynamics_of_chemical_bond.pdf},
      keywords = {_tablet},
      langid = {english}
    }
    
  5. Time and Space Resolved Methods: General Discussion. M. Zanni, J. E. D, S. Aravamudhan, A. Pallipurath, E. Arunan, C. Schnedermann, A. K. Mishra, M. Warren, J. D. Hirst, F. John, R. Pal, J. R. Helliwell, K. Moirangthem, S. Chakraborty, A. G. Dijkstra, P. R. Chowdhury, K. Ghiggino, R. J. D. Miller, S. Meech, H. Medhi, M. Hariharan, F. Ariese, A. Edwards, A. R. Mallia, S. Umapathy, M. M. Nielsen, N. Hunt, Z.-Y. Tian, J. Skelton, G. Sankar, and D. Goswami, Faraday Discussions 177(0), 263–292 (2015) [Abstract] [PDF] [BibTeX]

    Abstract: No abstract available

     BibTeX: @article{zanniTimeSpaceResolved2015,
      title = {Time and {{Space}} Resolved {{Methods}}: General Discussion},
      shorttitle = {Time and {{Space}} Resolved {{Methods}}},
      author = {Zanni, Martin and D, Jemmis E. and Aravamudhan, Sankarampadi and Pallipurath, Anuradha and Arunan, Elangannan and Schnedermann, Christoph and Mishra, Ashok Kumar and Warren, Mark and Hirst, Jonathan D. and John, Franklin and Pal, R. and Helliwell, John R. and Moirangthem, Kiran and Chakraborty, Shamik and Dijkstra, Arend G. and Chowdhury, Priyadarshi Roy and Ghiggino, Kenneth and Miller, R. J. Dwayne and Meech, Stephen and Medhi, Himani and Hariharan, Mahesh and Ariese, Freek and Edwards, Alison and Mallia, Ajith R. and Umapathy, Siva and Nielsen, Martin Meedom and Hunt, Neil and Tian, Zhen-Yu and Skelton, Jonathan and Sankar, Gopinathan and Goswami, Debabrata},
      date = {2015-04-14},
      journaltitle = {Faraday Discussions},
      shortjournal = {Faraday Discuss.},
      volume = {177},
      pages = {263--292},
      issn = {1364-5498},
      doi = {10/gf5mst},
      url = {https://pubs.rsc.org/en/content/articlelanding/2015/fd/c5fd90017d},
      urldate = {2019-08-01},
      file = {/run/media/haozeke/Storage/Zotero/storage/5VVNAJJG/dgoswamiFemtoLab-Zanni_et_al_2015_Time_and_Space_resolved_Methods.pdf;/run/media/haozeke/Storage/Zotero/storage/CI8559R5/c5fd90017d.html},
      keywords = {_tablet},
      langid = {english},
      number = {0}
    }
    
  6. Time and Space Resolved Methods: General Discussion. M. Zanni, J. E. D, S. Aravamudhan, A. Pallipurath, E. Arunan, C. Schnedermann, A. K. Mishra, M. Warren, J. D. Hirst, F. John, R. Pal, J. R. Helliwell, K. Moirangthem, S. Chakraborty, A. G. Dijkstra, P. R. Chowdhury, K. Ghiggino, R. J. D. Miller, S. Meech, H. Medhi, M. Hariharan, F. Ariese, A. Edwards, A. R. Mallia, S. Umapathy, M. M. Nielsen, N. Hunt, Z.-Y. Tian, J. Skelton, G. Sankar, and D. Goswami, Faraday Discuss. 177(0), 263–292 (2015) [Abstract] [PDF] [BibTeX]

    Abstract: No abstract available

     BibTeX: @article{zanniTimeSpaceResolved2016,
      langid = {english},
      title = {Time and {{Space}} Resolved {{Methods}}: General Discussion},
      volume = {177},
      issn = {1364-5498},
      url = {https://pubs.rsc.org/en/content/articlelanding/2015/fd/c5fd90017d},
      doi = {10/gf5mst},
      shorttitle = {Time and {{Space}} Resolved {{Methods}}},
      number = {0},
      journaltitle = {Faraday Discuss.},
      urldate = {2019-08-01},
      date = {2015-04-14},
      pages = {263-292},
      author = {Zanni, Martin and D, Jemmis E. and Aravamudhan, Sankarampadi and Pallipurath, Anuradha and Arunan, Elangannan and Schnedermann, Christoph and Mishra, Ashok Kumar and Warren, Mark and Hirst, Jonathan D. and John, Franklin and Pal, R. and Helliwell, John R. and Moirangthem, Kiran and Chakraborty, Shamik and Dijkstra, Arend G. and Chowdhury, Priyadarshi Roy and Ghiggino, Kenneth and Miller, R. J. Dwayne and Meech, Stephen and Medhi, Himani and Hariharan, Mahesh and Ariese, Freek and Edwards, Alison and Mallia, Ajith R. and Umapathy, Siva and Nielsen, Martin Meedom and Hunt, Neil and Tian, Zhen-Yu and Skelton, Jonathan and Sankar, Gopinathan and Goswami, Debabrata}
    }
    
  7. Dynamics of Chemical Bond: General Discussion. K. Dhoke, M. Zanni, U. Harbola, R. K. Venkatraman, E. Arunan, K.-C. Lin, A. Nenov, J. Skelton, R. J. D. Miller, J. D. Hirst, V. Aquilanti, J. R. Helliwell, S. Keshavamurthy, S. Ramesh, M. Ashfold, A. Pallipurath, P. Roy Chowdhury, S. Mukhopadhyay, J. E D, H. Medhi, D. Goswami, P. Halder, W. Junge, M. Hariharan, S. K. Singh, S. Umapathy, A. Lakshmannam, M. Meedom Nielsen, S. Aravamudhan, V. Deckert, K. Ghiggino, K. Tominaga, and A. Edwards, Faraday Discuss. 177, 121–154 (2015) [PDF] [BibTeX]
     BibTeX: @article{dhokeDynamicsChemicalBond2016,
      langid = {english},
      title = {Dynamics of Chemical Bond: General Discussion},
      volume = {177},
      issn = {1359-6640, 1364-5498},
      url = {https://my.pcloud.com/publink/show?code=XZhaxr7ZFTPN6Cuqf08xjq5XSTjI4zaNU8Sy},
      doi = {10.1039/C5FD90016F},
      shorttitle = {Dynamics of Chemical Bond},
      journaltitle = {Faraday Discuss.},
      urldate = {2019-08-01},
      date = {2015},
      pages = {121-154},
      author = {Dhoke, Kunal and Zanni, Martin and Harbola, Upendra and Venkatraman, Ravi Kumar and Arunan, Elangannan and Lin, King-Chuen and Nenov, Artur and Skelton, Jonathan and Miller, R J Dwayne and Hirst, Jonathan D. and Aquilanti, Vincenzo and Helliwell, John R. and Keshavamurthy, Srihari and Ramesh, Sai and Ashfold, Mike and Pallipurath, Anuradha and Roy Chowdhury, Priyadarshi and Mukhopadhyay, Sanghamitra and E D, Jemmis and Medhi, Himani and Goswami, Debabrata and Halder, Prasenjit and Junge, Wolfgang and Hariharan, Mahesh and Singh, Santosh Kumar and Umapathy, Siva and Lakshmannam, Adithya and Meedom Nielsen, Martin and Aravamudhan, Sankarampadi and Deckert, Volker and Ghiggino, Kenneth and Tominaga, Keisuke and Edwards, Alison}
    }
    
  8. Molecular Structure-Property Correlations from Optical Nonlinearity and Thermal-Relaxation Dynamics. I. Bhattacharyya, S. Priyadarshi, and D. Goswami, Chemical Physics Letters 469(1), 104–109 (2009) [Abstract] [PDF] [BibTeX]

    Abstract: We apply ultrafast single beam Z-scan technique to measure saturation absorption coefficients and nonlinear-refraction coefficients of primary alcohols at 1560nm. The nonlinear effects result from vibronic transitions and cubic nonlinear-refraction. To measure the pure total third-order nonlinear susceptibility, we removed thermal effects with a frequency optimized optical-chopper. Our measurements of thermal-relaxation dynamics of alcohols, from 1560nm thermal lens pump and 780nm probe experiments revealed faster and slower thermal-relaxation timescales, respectively, from conduction and convection. The faster timescale accurately predicts thermal-diffusivity, which decreases linearly with alcohol chain-lengths since thermal-relaxation is slower in heavier molecules. The relation between thermal-diffusivity and alcohol chain-length confirms structure-property relationship.

     BibTeX: @article{bhattacharyyaMolecularStructurepropertyCorrelations2011,
      title = {Molecular Structure-Property Correlations from Optical Nonlinearity and Thermal-Relaxation Dynamics},
      volume = {469},
      issn = {0009-2614},
      url = {http://www.sciencedirect.com/science/article/pii/S0009261408017028},
      doi = {10/cpq233},
      number = {1},
      journaltitle = {Chemical Physics Letters},
      urldate = {2019-08-14},
      date = {2009-02-03},
      pages = {104-109},
      author = {Bhattacharyya, Indrajit and Priyadarshi, Shekhar and Goswami, Debabrata}
    }