REVIEWED PUBLICATIONS

  1. Y. Maeda, S. Shibata, N. Hagen, and Y. Otani, “Single shot 3D profilometry using a full Stokes imaging polarimeter,” submitted to Opt. Review [2021].
  2. N. Hagen, “Spectra, images, simple functions, and density functions,” WHISPERS 2021: 11th IEEE GRSS Workshop on Hyperspectral Image and Signal Processing: Evolution in Remote Sensing [2021].
  3. N. Hagen, T. Koga, R. Kuwano, and Y. Otani, “Manufacturing plastic lenses on a Fanuc Robonano ultraprecision lathe,” 3rd Int’l Conference on Surface and Interface Fabrication Technologies (ICSIF) [Tokyo, 2021].
  4. N. Hagen, “The problem of scientific greatness and the role of ordinary scientists,” arXiv:2003.05894 [2020].
  5. W. Takano, S. Shibata, N. Hagen, M. Matsuda, and Y. Otani, “Minimizing scattering-induced quantitative phase errors in differential interference contrast microscope measurements,” J. Biomed. Opt. 25: 123703 [2020].
  6. N. Hagen, “Dynamic radiometric calibration and radiometric matching of multiple microbolometer detector arrays,” Proc. SPIE 11502-20 [2020].
  7. B. Chrysler, Y. Otani, and N. Hagen, “Dynamic calibration of a channeled spectropolarimeter for extended temperature stability,” Appl. Opt. 59: 9424–9433 [2020].
  8. N. Hagen, “Survey of autonomous gas leak detection and quantification with snapshot infrared spectral imaging,” J. Optics 22: 103001 [2020].
  9. N. Hagen, P. Buranasiri, and Y. Otani, “Compensating for nonlinear dispersion in channeled spectropolarimetry,” Appl. Opt 59: 5032–5040 [2020].
  10. N. Hagen, “Manufacturing image slicing and image mapping mirrors,” Transactions of the 13th MIRAI Conference on Microfabrication and Green Technology 8 [2] p.1–6 [Morioka, 2020].
  11. Y. Maeda, S. Shibata, N. Hagen, and Y. Otani, “Single shot 3D profilometry by polarization pattern projection,” Appl. Opt. 59: 1654–1659 [2020].
  12. N. Hagen, P. Buranasiri, and Y. Otani, “Alignment of polarization components,” Appl. Opt 58: 9750–9756 [2019].
  13. S. Shibata, M. Suzuki, N. Hagen, and Y. Otani, “Video-rate imaging full-Stokes polarimeter using two polarization cameras,” Opt. Eng. 58: 103103 [2019].
  14. N. Hagen, S. Shibata, and Y. Otani “Generating high-performance polarization measurements with low-performance polarizers: demonstration with a microgrid polarization camera,” Opt. Eng. 58: 080501 [2019].
  15. S. Shibata, N. Hagen, S. Kawabata, and Y. Otani, “Compact and high-speed Stokes polarimeter using three-way polarization-preserving beam splitters,” Appl. Opt 58: 5644–5649 [2019].
  16. N. Hagen, S. Shibata, and Y. Otani, “Calibration and performance assessment of microgrid polarization cameras,” Opt. Eng. 58: 082408 [2019].
  17. S. Shibata, W. Takano, N. Hagen, M. Matsuda, and Y. Otani, “Video-rate quantitative phase analysis by a DIC microscope using a polarization camera,” Biomed. Opt. Express 10: 1273–1281 [2019]. [Errata: Biomed. Opt. Express 10: 2967–2968 [2019].]
  18. S. Shibata, N. Hagen, and Y. Otani, “Robust full Stokes imaging polarimeter with dynamic calibration,” Opt. Lett 44: 891–894 [2019].
  19. N. Hagen, “Review boards for scientific publishing,” J. Scholarly Publishing 49: 419–434 [2018].
  20. N. Hagen, “Sensitivity limits on optical gas imaging due to air turbulence,” Opt. Eng. 57: 114102 [2018].
  21. N. Hagen, “Statistics of normalized Stokes polarization parameters,” Appl. Opt. 57: 5356–5363 [2018].
  22. N. Hagen and Y. Otani, “Stokes polarimeter performance: general noise model and analysis,” Appl. Opt. 57: 4283–4296 [2018].
  23. N. Hagen, “Passive imaging of wind surface flow using an infrared camera,” Infrared Phys. Tech. 87: 47–54 [2017].
  24. S. Konecky, R. Wilson, N. Hagen, A. Mazhar, T. Tkaczyk, R. Frostig, and B. Tromberg, “Hyperspectral optical tomography of intrinsic signals in the rat cortex,” Neurophotonics 2: 045003 [2015].
  25. N. Hagen, “Flatfield correction errors due to spectral mismatching,” Opt. Eng. 53: 123107 [2014].
  26. N. Hagen, “Bibulous — a drop-in BibTeX replacement based on style templates,” TUGboat — Commun. TeX Users Group 34: 332–339 [2013].
  27. N. Hagen and M. Kudenov, “Review of snapshot spectral imaging technologies,” Opt. Eng. 52: 090901 [2013].
  28. D. Marks, N. Hagen, M. Durham, and D. Brady, “Wide-field compact catadioptric telescope spanning 0.7–14 µm wavelengths,” Appl. Opt. 52: 4334–4342 [2013].
  29. N. Bedard, N. Hagen, L. Gao, and T. Tkaczyk, “Image mapping spectrometry: calibration and characterization,” Opt. Eng. 51: 111711 [2012].
  30. N. Hagen, R. Kester, L. Gao, and T. Tkaczyk, “Snapshot advantage: a review of the light collection improvement for parallel high-dimensional measurement systems,” Opt. Eng. 51: 111702 [2012].
  31. L. Gao, N. Hagen, R. Kester, and T. Tkaczyk, “Quantitative comparison between full-spectrum and filter-based imaging in hyperspectral fluorescence microscopy,” J. Microscopy 246: 113–123 [2012].
  32. M. Kudenov, M. Escuti, N. Hagen, E. Dereniak, and K. Oka, “Snapshot imaging Mueller matrix polarimeter using polarization gratings,” Opt. Lett. 37: 1367–1369 [2012].
  33. N. Hagen and T. Tkaczyk, “Foveated endoscopic lens,” J. Biomed. Opt. 17: 021104 [2012].
  34. N. Hagen, L. Gao, and T. Tkaczyk, “Quantitative sectioning and noise analysis for structured illumination microscopy,” Opt. Express 20: 403–413 [2012]. [Errata: Opt. Express 20: 5343 [2012], Opt. Express 23: 27633–27634 [2015].]
  35. N. Hagen and T. Tkaczyk, “Compound prism design principles, III: linear-in-wavenumber and OCT prisms,” Appl. Opt. 50: 5023–5030 [2011].
  36. N. Hagen and T. Tkaczyk, “Compound prism design principles, II: triplet and Janssen prisms,” Appl. Opt. 50: 5012–5022 [2011].
  37. N. Hagen and T. Tkaczyk, “Compound prism design principles, I,” Appl. Opt. 50: 4998–5011 [2011].
  38. L. Gao, N. Bedard, N. Hagen, R. Kester, and T. Tkaczyk, “Depth-resolved image mapping spectrometer [IMS] with structured illumination,” Opt. Express 19: 17439–17452 [2011].
  39. L. Gao, R. Kester, N. Hagen, and T. Tkaczyk, “Snapshot Image Mapping Spectrometer [IMS] with high sampling density for hyperspectral microscopy,” Opt. Express 18: 14330–14344 [2010].
  40. N. Zheng, N. Hagen, and D. Brady, “Analytic-domain lens design with proximate ray tracing,” J. Opt. Soc. Am. A. 27: 1791-1802 [2010].
  41. D. Brady and N. Hagen, “Multiscale lens design,” Opt. Express 17: 10659–10674 [2009].
  42. N. Hagen and E. Dereniak, “Gaussian profile estimation in two dimensions,” Appl. Opt. 47: 6842–6851 [2008].
  43. N. Hagen and E. Dereniak, “Analysis of computed tomographic imaging spectrometers. I. Spatial and spectral resolution,” Appl. Opt. 47: F85–F95 [2008].
  44. M. Kudenov, N. A. Hagen, E. Dereniak, and G. Gerhart, “Fourier transform channeled spectropolarimetry in the MWIR,” Opt. Express 15: 12792–12805 [2007].
  45. N. Hagen, K. Oka, and E. Dereniak, “Snapshot Mueller matrix spectropolarimeter,” Opt. Lett. 32: 2100–2102 [2007]. [Errata: Opt. Letters 38: 1675 [2013].]
  46. N. Hagen, M. Kupinski, and E. Dereniak, “Gaussian profile estimation in one dimension,” Appl. Opt. 46: 5374–5383 [2007].
  47. H. Luo, K. Oka, N. Hagen, T. Tkaczyk, and E. Dereniak, “Modeling and optimization for a prismatic snapshot imaging polarimeter,” Appl. Opt. 45: 8400–8409 [2006].

SELECTED UNREVIEWED PUBLICATIONS

  1. N. Hagen, “The problem of scientific greatness and the role of ordinary scientists,” arXiv:2003.05894 [2020].
  2. N. Hagen, “Review boards for scientific publishing,” J. Scholarly Publishing 49: 419–434 [2018].
  3. N. Hagen, “Bibulous — a drop-in BibTeX replacement based on style templates,” TUGboat — Commun. TeX Users Group 34: 332–339 [2013].

PUBLICATIONS IN JAPANESE

  1. ネイザン・ヘーガン, 柴田秀平, 大谷幸利, “生物学の偏光イメージング,” O plus E, 42 [4]: 510–516
    [July/August 2020]. [N. Hagen, S. Shibata, and Y. Otani, “Polarization imaging for biology,” O plus E
    magazine]
  2. 大谷幸利, 前田勇樹, 柴田秀平, ネイザン・ヘーガン, “偏光パターン投影による瞬間三次元形状計測” 光技術コンタクト, 58 [6]: 32–39 [June 2020]. [Y. Otani, Y. Maeda, S. Shibata, and N. Hagen, “Snapshot three-dimensional shape measurement by polarization pattern projection,” Optical Instr. Contact magazine]
  3. ネイザン・ヘーガン, “赤外イメージングの動向と自動車応用,” Optronics 38 [10]: 79–82 [October 2019]. [N. Hagen, “Trends in infrared imaging and automotive applications,” Optronics magazine]
  4. ネイザン・ヘーガン, “偏光カメラとその応用,” 映像情報インダストリアル, 51 [2]: 25–30 [March/April 2019]. [Y. Otani and N. Hagen, “Polarization cameras and their applications,” Video Information Industrial magazine]
  5. ネイザン・ヘーガン, “スナップショット赤外線分光イメージングによるガス検出とその定量化,” O plus E 40 [5]: 579–584 [July 2018]. [N. Hagen, “Video detection and quantification of gas with snapshot infrared spectral imaging,” O plus E magazine]
  6. ネイザン・ヘーガン, “流れを可視化するための微小温度イメージング,” O plus E 40 [5]: 593–597 [July
    2018]. [N. Hagen, “Imaging microthermal dynamics for flow visualization,” O plus E magazine]

PATENTS

  1. JP J1029609: Y. Otani, S. Shibata, and N. Hagen, 偏光測定装置及び偏光測定方法 [“Full Stokes video
    camera with two polarization cameras”] [filed 2019, pending].
  2. US 10914639: R. Kester and N. Hagen, “Divided-aperture infra-red spectral imaging system” [filed
    2019, granted 2021].
  3. US 10914632: R. Kester and N. Hagen, “Divided-aperture infra-red spectral imaging system” [filed
    2019, granted 2021].
  4. US 10989597: R. Kester and N. Hagen, “Divided aperture infra-red spectral imaging system for
    chemical detection” [filed 2019, granted 2021].
  5. US 10893220: R. Kester and N. Hagen, “Dual-band divided aperture infra-red spectral imaging
    system” [filed 2015, granted 2021].
  6. US 10834338: R. Kester and N. Hagen, “Mobile gas and chemical imaging camera” [filed 2018,
    granted 2020].
  7. JP 2017-193645: N. Hagen, K. Miyazaki, S. Yamashita, and Y. Otani, 気流測定装置 [“Flow
    measurement instrument”] [filed 2017, pending].
  8. US 10648960: R. Kester and N. Hagen, “Hydrogen sulfide imaging system” [filed 2016, granted
    2020].
  9. US 10458905: R. Kester, N. Hagen, and R. Mallery, “Gas leak emission quantification with a gas
    cloud imager
    ” [filed 2015, granted 2019].
  10. US 10444070: R. Kester and N. Hagen, “Divided-aperture infra-red spectral imaging system” [filed
    2017, granted 2019].
  11. US 10375327: R. Kester and N. Hagen, “Mobile gas and chemical imaging camera” [filed 2017,
    granted 2019].
  12. US 10267686: R. Kester and N. Hagen, “Divided aperture infra-red spectral imaging system” [filed
    2017, granted 2019].
  13. US 10254166: R. Kester and N. Hagen, “Divided aperture infra-red spectral imaging system for
    chemical detection
    ” [filed 2017, granted 2019].
  14. US 10084975: R. Kester and N. Hagen, “Mobile gas and chemical imaging camera” [filed 2017,
    granted 2018].
  15. US 9756263: R. Kester and N. Hagen, “Mobile gas and chemical imaging camera” [filed 2015,
    granted 2017].
  16. US 9625318: R. Kester and N. Hagen, “Divided-aperture infra-red spectral imaging system for
    chemical detection
    ,” [filed 2014, granted 2017].
  17. US 9599508: R. Kester and N. Hagen, “Divided aperture infra-red spectral imaging system” [filed
    2014, granted 2017].
  18. US 9562849: R. Kester and N. Hagen, “Divided aperture infra-red spectral imaging system” [filed
    2014, granted 2017].
  19. US 9507129: D. Marks, D. Brady, and N. Hagen, “Apparatus comprising a compact catadioptric
    telescope
    ” [filed 2014, granted 2016].
  20. US 8259212: D. Brady, N. Hagen, and S. McCain, “Multiscale optical system” [filed 2010, granted
    2012].