Curriculum Vitae Date: 2010/11/05

Curriculum vitaeDate: 2010/11/05

[Biographic data]:

Name: Joonku Hahn

Address: 2577 FCIEMAS, DISP, Duke University, Durham, NC 27708

Phone number: +1-919-559-7485/ +82-70-7571-6872

Email:

[Education]:

[Professional work history]:

-Name of department: Optoelectronics Material Group, Research Lab.,LG Cable Ltd.

Position:Associate senior researcher

Period: Jan. 1999 ~ Oct. 2004.

- Name of department: Electrical engineering department, Duke University.

Position: Postdoctoral associate

Period: May. 2009 ~ present.

[Research experience]:

Academia:

M.S. (Prof. Young Kuk’s group)

- Low-temperature scanning tunneling microscopy

Ph. D. (Prof. Byoungho Lee’s group)

Research areas

- Digital holography

- Digital holographic stereogram display

- Three-dimensional directional display

-Undistorted pickup for three-dimensional directional display

- Digital holographic microscopy

Industry supported researchprojects

- Research and development of holographic data storage(LG Electronics) Jun. 2005 ~Aug. 2006.

-Research and development of microlithography using total internal reflection holography with UV

light (Samsung Electronics) Nov. 2005 ~ Oct. 2006.

- Development of glassless three-dimensional display system and three-dimensional image

processing technology(Samsung SDI) Mar. 2006 ~Feb. 2008.

PostdoctoralAssociateat Duke University (Prof. David. J. Brady’s group)

Research areas

- Multiscale lens design (Multiscale Optical Sensor Array Imaging Consortium project: DARPA)

- Compressive holography, holographic microscopy

- Giga-pixel holography (Lensless High Resolution Wide-field Imaging project: DARPA)

Industry:

LG cable Ltd.

- PolymericPTC thermistor for current protection in Li-ion Batteryand circuit board

- Polymeric PTC thermistor inserted in molded case circuit breaker(Project leader)

[Honors and awards]:

- 1997. 2 Summa cumlaude by Department of physics in Seoul National University.

- 2002.1 Annual award by Managing Director in LG cable Ltd.

- 2008. 7 Cover figure of Applied Optics Vol. 47(19).

- 2008. 8 Image of the week in OpticsInfoBase.

- 2009. 5 Cover figure of Optics Express Vol. 17(10).

[Research interests]:

-3D display: Super multi-view display, 360-degree 3D display, holographic display

-3D pickup: Structured illumination,phase-shifting holography

-3D field synthesizer

-3D microscopic tomography

[Skills]:

-Machining: Lathe, milling

- Electronics: Analog feedback circuit design

-Programming: Labview/ Matlab/ CODE V/ Zemax/ AutoCAD/ Rhino3D/ Visual Basic/ Visual C++

- Operation: FIB/SEM(micro structure manufacturing), DSC/TGA/TMA(thermal analyzing), 3D printer

[International journalpapers]:

1. H. Kim, J. Hahn, and H.Choi, “Triplet lens array for wide-viewing angle lenticular 3D displays,”submitted to Optics Express.
2. J. Hahn, S. Lim, K. Choi, R. Horisaki and D. J. Brady, “Video-rate compressive holographic microscopic tomography,”submitted to Optics Express.
3. Y. Kim, J. Hahn, Y. -H. Kim, J. Kim, G. Park, S.-W. Min, B. Lee, “Directional-view and sound system using tracking method,” submitted to IEEE Transaction on broadcasting.
4. R. Horisaki, K. Choi, J. Hahn, J. Tanida, and D. J. Brady, “Generalized sampling using a compound-eye imaging system for multi-dimensional object acquisition,” Optics Express vol. 18, no, 18, pp. 19367-19378, 2010.
5. K. Choi, R. Horisaki, J. Hahn, S. Lim, D. L. Marks, T. J. Schulz, and D. J. Brady, “Compressive holography of diffuse objects,”Applied Optics vol. 49, no. 34, pp. H1-H10, 2010.
6. Y. Lim, J. Hahn, S. Kim, J. Park, H. Kim, and B. Lee, “Plasmonic light beaming manipulation and its detection using holographic microscopy,” IEEE Journal of Quantum Electronics, vol. 46, no. 3, pp. 300-305, 2010.
7. J. Hahn, H. Kim, Y. Lim, E.-H. Kim, and B. Lee, “Spatial phase-shifting interferometry with compensation of geometric errors based on genetic algorithm,” Chinese Optics Letters, vol. 7, no. 12, pp. 1113-1116, 2009 (Invited paper).
8. J. Hahn, Y. Lim, H. Kim, and B. Lee, “Micro-optical fields generated by a spatial light modulator,” Journal of Holography and Speckle, vol. 5, no. 2, pp. 141-148, 2009. (Vikram special issue paper).
9. E.-H. Kim, J. Hahn, H. Kim, and B. Lee, “Profilometry without phase unwrapping using multi-frequency and four-step phase-shift sinusoidal fringe projection,” Optics Express, vol. 17, no. 10, pp. 7818-7830, 2009.
10. H. Kim, J. Hahn, and B. Lee, “Image volume analysis of omnidirectional parallax regular-polyhedron three-dimensional displays,”Optics Express, vol. 17, no. 8, pp. 6389-6396, 2009.
11. J. Hahn, Y. Kim, and B. Lee, “Uniform angular resolution integral imaging display with boundary folding mirrors,” Applied Optics, vol. 48, no. 3, pp. 504-511, 2009.
12. H. Kim, J. Hahn, and B. Lee,“The use of negative index planoconcave lens array for wide-viewing angle integral imaging”Optics Express, vol. 16, no. 26, pp. 21865-21880, 2008.
13. J. Hahn, Y. Kim, E.-H. Kim, and B. Lee, “Undistorted pickup method of both virtual and real objects for integral imaging,” Optics Express, vol. 16, no. 18, pp. 13969-13978, 2008.
14. J. Hahn, H. Kim, Y. Lim, G. Park, and B. Lee, “Wide viewing angle dynamic holographic stereogram with a curved array of spatial light modulators,” Optics Express, vol. 16, no. 16, pp. 12372-12386, 2008.
15. J. Hahn, H. Kim, S.-W. Cho, and B. Lee, “Phase-shifting interferometry with genetic algorithm-based twin image noise elimination,” Applied Optics, vol. 47, no. 22, pp.4068-4076, 2008.
16. J. Hahn, H. Kim, and B. Lee, “Optimization of the spatial light modulation with twisted nematic liquid crystals by a genetic algorithm,” Applied Optics, vol. 47, no. 19, pp. D87-D95, 2008.
17. H. Kim, J. Hahn, and B. Lee, “Mathematical modeling of triangle-mesh-modeled three-dimensional surface objects for digital holography,” Applied Optics, vol. 47, no. 19, pp. D117-D127, 2008.
18. H. Kim, J. Hahn, and B. Lee, “Focusing properties of surface plasmon polariton floating dielectric lenses,” Optics Express, vol. 16, no. 5, pp. 3049-3057, 2008.
19. J. Hahn, H. Kim, and B. Lee, “Optical implementation of iterative fractional Fourier transform algorithm,” Optics Express, vol. 14, no. 23, pp. 11103-11112, 2006.
20. J. Hahn, H. Kim, K. Choi, and B. Lee, “Real-time digital holographic beam-shaping system with a genetic feedback tuning loop,” Applied Optics, vol. 45, no. 5, pp. 915-924, 2006.

[International conference papers (first author)]:

1. J. Hahn, S. Lim, K. Choi, R. Horisaki, D. L. Marks, D. J. Brady, “Compressive Holographic Microscopy,” Digital Holography and Three-Dimensional Imaging (OSA Optics and Photonics Spring Congress), Miami, Florida, USA, paper JMA1, April. 2010.
2. J. Hahn, H. Kim, E.-H. Kim, J. Park, and B. Lee, “Adaptive phase-shifting digital holography compensating positional inaccuracy and tilting of optics,” Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications II, SPIE Optics and Photonics, Proc. SPIE, vol. 7056, San Diego, California, USA, paper 7056-66, Aug. 2008.
3. J. Hahn, Y. Kim, E.-H. Kim, and B. Lee, “Camera with inverted perspective projection view volume array for integral imaging,” The 6th International Conference on Optics-Photonics Design and Fabrication (ODF'08), Taipei, Taiwan, pp. 553-554, June 2008.
4. J. Hahn, Y. Lim, and B. Lee, “Phase and amplitude modulation by complementarily combined TNLC spatial light modulator,” Digital Holography and Three-Dimensional Imaging (OSA Optics and Photonics Spring Congress), St. Petersburg, Florida, USA, paper DWB3, Mar. 2008.
5. J. Hahn, Y. Kim, G. Park, and B. Lee, “Three-dimensional new view synthesis algorithm using object rendering based on the line of sight,” The 7th Pacific Rim Conference on Lasers and Electro-Optics (CLEO/Pacific Rim 2007), Seoul, Korea, paper ThP_101, pp. 1283-1284, Aug. 2007.
6. J. Hahn, H. Kim, Y. Lim, J. Lee, and B. Lee, “Optical implementation of iterative Fourier transform algorithm using spatial light modulator,” Photonic Devices and Algorithms for Computing VIII, SPIE Optics and Photonics, San Diego, CA, USA, Proc. SPIE, vol. 6310, pp. 63100B-1 - 63100B-9, Aug. 2006.

[Patents]:

US Patents (5)

1. 7,173,512 Thermistor having improved lead structure and secondary battery having the thermistor
2. 7,173,511 Surface-mounted thermistor and manufacturing method thereof
3. 7,145,431 Thermistor having symmetrical structure
4. 7,041,238 Conductive polymer having positive temperature coefficient, method of controlling positive temperature coefficient property of the same and electrical device using the same
5. 6,965,293 Electrical device having PTC conductive polymer

Korean Patents (45)

10-0733647-0000 / 10-0713341-0000 / 10-0706453-0000 / 10-0697919-0000 / 10-0694383-0000 /

10-0685088-0000 / 10-0627513-0000 / 10-0614340-0000 / 10-0586574-0000 / 10-0577489-0000 /

10-0572423-0000 / 10-0567883-0000 / 10-0564505-0000 / 10-0564502-0000 / 10-0564501-0000 /

10-0534370-0000 / 10-0507625-0000 / 10-0507624-0000 / 10-0505476-0000 / 10-0505475-0000 /

10-0496450-0000 / 10-0495133-0000 / 10-0495132-0000 / 10-0495131-0000 / 10-0495130-0000 /

10-0495129-0000 / 10-0495128-0000 / 10-0485890-0000 / 10-0459489-0000 / 10-0454732-0000 /

10-0437895-0000 / 10-0436580-0000/ 10-0436579-0000 / 10-0436583-0000 / 10-0436581-0000 /

10-0436582-0000 / 10-0436578-0000 / 10-0420470-0000 /10-0381920-0000 / 10-0381919-0000 /

10-0381918-0000 / 10-0381917-0000 / 10-0378927-0000 / 10-0341115-0000 / 10-0330920-0000