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Phone: (02)27712171 ext.4626

Fax: (02)87733216

Office: Guang-Hua Hall,Room 209

E-mail: jyjun@ntut.edu.tw

homepage:

Laboratory: Optical Thin Film Lab

Professor and chair,the department of electro-optical engineering, National Taipei University of Technology

  

Yi-Jun Jen was born in 1970 in Taipei, Taiwan. He received his BS degree in physics from National Central University, Taiwan. He received his M. S. degree and Ph. D degree from the Institute of Optical Sciences of the National Central University in 1994(1993~1994) and in 2001(1997~2001) respectively. He joined the department of electro-optical engineering, National Taipei University of Technology, as an associate professor in 2002. In 2006, he became a professor. His current research interests primarily involve fabrication of nanosculptured thin films, noval optical devices based on anisotropic thin films, optical property analysis for subwavelength scale composite material.

 

PROFESSIONAL EXPERIENCE

 

TERM
TITLE
INSTITUTION
2008~present
Chair
Department of Electro-Optical Engineering, National Taipei University of Technology
2006~present
Professor
Department of Electro-Optical Engineering, National Taipei University of Technology
2002~2006
Associate Professor
Department of Electro-Optical Engineering, National Taipei University of Technology
2001~2002
Associate Professor
De-Lin Institute of Technology

PROFESSIONAL AFFILIATION

 

TERM
TITLE
INSTITUTION
2010,2011,2012
Conference Chair
Nanostructured Thin Films III, SPIE Optics+Photonics
2010
Guest Editor
Journal of Nanophotonics
2009~present
Senior member
The International Society for Optical Engineering (SPIE)
2009~present
Advisor
SPIE student chapter in National Taipei University, Taiwan
2008~present
Member
Taiwan Optical Engineering Society
2003~present
Member
The International Society for Optical Engineering (SPIE)

 

Professional Contribution

1. Service to the local conference sponsored by SPIE

 

CONFERENCE
SERVICES
Optics and Photonics Taiwan 2010
Technical Organizing Committee Member (Optical Design and Thin Film Technology) 
 
Optics and Photonics Taiwan 2009
Technical Sub-Program Committee Member (Optical Design and Thin Film Technology)
Optics and Photonics Taiwan 2008
Technical Sub-Program Committee Member (Optical Design and Thin Film Technology)
Optics and Photonics Taiwan 2007
Technical Sub-Program Committee Member (Optical Engineering and Thin Film) Optical Engineering and Thin Film Session Chair
 
Optics and Photonics Taiwan 2006
Technical Sub-Program Committee Member (Optical Engineering and Thin Film) Optical engineering and thin Film Session Chair
 
Optics and Photonics Taiwan 2005
Optical Waveguide and Photonic Crystal Session Chair
Optics and Photonics Taiwan 2004
Optical Engineering Session Chair
Optics and Photonics Taiwan 2003
Organizing Committee General Chair
Optical Engineering Session Chair

 

Research topics

1. Optical Coatings of Metamaterials

2. Dielectric Anisotropic Thin Films

3. Novel Polarization Devices: Polarization Converters, Perfect Wave plate

4. Surface Plasmon Resonance

5. FDTD simulation and Effective Medium Approximation

 

　

Projects

 

EXECUTED PROJECTS SPONSORED BY NATIONAL SCIENCE COUNCIL
TERM
Negative-Refractive-Index Optical Thin Films: Fabrication, Measurement and Application(2/3)
08/01/2011~07/31/2012
Negative-Refractive-Index Optical Thin Films: Fabrication, Measurement and Application(1/3)
08/01/2010~07/31/2011
Nano-sculptured metal thin films(3/3)
08/01/2009~07/31/2010
Nano-sculptured metal thin films(2/3)
08/01/2008~07/31/2009
Nano-sculptured metal thin films(1/3)
08/01/2007~07/31/2008
The relationship among coating parameters, microstructures and optical properties of optical thin films
11/01/2006~10/31/2007
Research of optical interference filters in UV and DUV ranges (2/2)
08/01/2006~07/31/2007
Research of optical interference filters in UV and DUV ranges(II)-The characteristics of anisotropic films and its application to UV and DUV filters(2/2)
08/01/2006~07/31/2007
Research of optical interference filters in UV and DUV ranges (1/2)
08/01/2005~07/31/2006
Research of optical interference filters in UV and DUV ranges(II)-The characteristics of anisotropic films and its application to UV and DUV filters(1/2)
08/01/2005~07/31/2006
 
Research of optical interference filters in UV and DUV ranges-The characteristics of anisotropic films and its application to UV and DUV filters (I)
08/01/2004~07/31/2005
Surface Plasmon Resonance to Investigate the Optical Properties of Thin Film Columnar Structure and Its Application on Biosensor Technology (II)
08/01/2003~07/31/2004
Surface Plasmon Resonance to Investigate the Optical Properties of Thin Film Columnar Structure and Its Application on Biosensor Technology
08/01/2002~07/31/2003
 
Measure Optical Properties of Anisotropic Material and Thin Films by Interference Method
06/01/2002~05/31/2003

 

EXECUTED PROJECTS SPONSORED BY NATIONAL TAIPEI UNIVERSITY OF TECHNOLOGY
TERM
Fabrication, Measurement and Application of Anisotropic Thin Films
04/01/2008~03/31/2011

　

Award
1.       Invited Speaker in Symposium on Display Technology, Taipei, Taiwan (2011)
2.       Invited Speaker in the Nanovision Symposium, Shizuoka University, Japan(2011)
3.       Invited Speaker in the Optics and Photonics Taiwan, Southern Taiwan University, Taiwan (2010)
4.       Excellent Research Award of National Taipei University of Technology (2009)
5.       Invited Speaker in the International 21 COE Symposium on Nanovision, Shizuoka University, Japan(2008)
6.       Excellent Research Award of College of Electrical Engineering and Computer Scienc, NTUT(2007)
7.       Invited Speaker in Optics and Photonics Taiwan, Hsin-Chu, Taiwan (2006)
8.       Excellent Teaching Award of College of Electrical Engineering and Computer Scienc, NTUT(2006)
9.       Excellent Research Award of College of Electrical Engineering and Computer Scienc, NTUT(2006)
10.    Who’s Who in the World(2006)
11.    Excellent Teaching Award of College of Electrical Engineering and Computer Scienc, NTUT(2005)
12.    Who’s Who in Science and Engineering(2005)

13.  Excellent Tutor of National Taipei University of Technology (2003)

　

Journal papers

 

  1. Yi-Jun Jen, Chia-Feng Lin, and Meng-Jie Lin, “Silver/silicon dioxide/silver sandwich films in the blue-to-red spectral regime with negative-real refractive index,” Appl. Phys. Lett. 99, 181117 (2011)
  2. Yi-Jun Jen, Chia-Feng Lin, and Meng-Jie Lin, “Slanted S-shaped nano-columnar thin films for broadband and wide-angle polarization conversion,” Opt. Mater. Express 1, 525-534 (2011)
  3. Yi-Jun Jen, Akhlesh Lakhtakia, Ching-Wei Yu, Chia-Feng Lin, Meng-Jie Lin, Shih-Hao Wang and Jyun-Rong Lai, “Bio-inspired Achromatic Waveplates for Visible Light,” Nature Communications 2, 1-5 (2011).
  4. Yi-Jun Jen, Chih-Hui Chen and Ching-Wei Yu, “Deposited metamaterial thin film with negative refractive index and permeability in visible regime,” Opt. Lett. 36, 1014-1016 (2011).
  5. Yi-Jun Jen, “Commentary: Arbitrarily polarized long-range surface-plasmon-polariton waves,” J. Nanophoton. 5, 050304 (2011).
  6. Yi-Jun Jen, Ching-Wei Yu*, Yu-Hsiung Wang, and Jheng-Jie Jhou, “Shape effect on the real parts of equivalent permeability of chevron thin films of silver,” J. Nanophoton. 5, 051507 (2011).
  7. Yi-Jun Jen, Meng-Jie Lin, and Wen-Pao Tsai, “Three-layered thin film system for broadband polarization conversion reflectance,” J. Nanophoton. 5, 051508 (2011).
  8. Yi-Jun Jen and Ching-Wei Yu, “Optical configuration for unpolarized ultra-long-range surface-plasmon-polariton waves,” Appl. Opt. 50, 9, C154-C158 (2011).
  9. S. Chattopadhyay＊, Y. F. Huang, Yi-Jun Jen, A. Ganguly, K. H. Chen and L. C. Chen, “Anti-reflecting and photonic nanostructures,” Mater. Sci. Eng. A 69, 1-35 (2010).
  10. Yi-Jun Jen, Akhlesh Lakhtakia and Ching-Wei Yu, “Negative real parts of the equivalent permittivity, permeability, and refractive index of sculptured-nanorod arrays of silver,” J. Vac. Sci. Technol. A 28, 1078 (2010).
  11. Yi-Jun Jen, Meng-Jie Lin, and Jung-Hui Chao, “Single dielectric columnar thin film as a humidity sensor,”Sensors & Actuators, B: Chemical 149, 67-70 (2010).
  12. Ching-Wei Yu and Yi-Jun Jen, “Effects of the equivalent coupling layer on ultra-long-range surface-plasmon-polariton waves,” Opt. Express 18, 7982-7993 (2010).
  13. Yi-Jun Jen, Akhlesh Lakhtakia, Ching-Wei Yu and Tzu-Yi Chan, “Multilayered Structures for p- and s-Polarized Long-Range Surface-Plasmon-Polariton Propagation,” J. Opt. Soc. Am. A 26, 2600 -2606(2009).
  14. Akhlesh Lakhtakia＊, Yi-Jun Jen, and Chia-Feng Lin, “Multiple trains of same-color surface plasmon-polaritons guided by the planar interface of a metal and a sculptured nematic thin film. Part III: Experimental evidence,” J. Nanophoton. 3, 033506 (2009).
  15. Yi-Jun Jen, Akhlesh Lakhtakia, Ching-Wei Yu, and Chin-Te Lin, “Negative refraction in an uniaxial absorbent medium,” Eur. J. Phys. 30, 1381-1390 (2009).
  16. Yi-Jun Jen, Akhlesh Lakhtakia, Ching-Wei Yu, and Chin-Te Lin, “Vapor-deposited thin films with negative real refractive index in the visible regime,” Opt. Express 17, 7784-7789 (2009).
  17. Yi-Jun Jen and Yi-Hong Liao, “Surface plasmon resonance via polarization conversion in a weak anisotropic thin film,” Appl. Phys. Lett. 94, 011105 (2009).
  18. Yi-Jun Jen, Yung-Hsun Chen, Ching-Wei Yu, and Yen-Pu Li, “Near-perfect modulator for polarization state of light,” J. Nanophoton. 2, 029504 (2008).
  19. Yi-Jun Jen and Chia-Feng Lin, “Anisotropic optical thin films finely sculptured by substrate sweep technology,” Opt. Express 16, 5372-5377 (2008).
  20. Yi-Jun Jen, Ching-Wei Yu, Chia-Feng Lin, Yi-Hong Liao, and Cheng-Yu Peng “Modulation of the polarization state of light using a weak anisotropic thin film,” Opt. Lett. 33, 467-469 (2008).
  21. Yi-fan Huang, Surojit chattopadhyay, Yi-Jun Jen, Cheng-Yu Peng, Tze-An Liu, Yu-Kuei Hsu, Ci-Ling Pan, Hung-Chun Lo, Chih-Hsun Hsu, Yuan-Huei Chang, Chih-Shan Lee, Kuei-Hsien Chen, and Li-Chyong Chen “Improved broadband and quasiomnidirectional anti-reflection properties with biomimetic silicon nanostructures,” Nat. Nanotechnol. 2, 770 (2007).
  22. Yi-Jun Jen and Ching-Wei Yu, “Metal and dielectric duality for an aligned Al nano-rod array,” Appl. Phys. Lett. 91, 021109 (2007).
  23. Yi-Jun Jen, Cheng-Yu Peng, and Heng-Hao Chang, “Optical constant determination of an anisotropic thin film via polarization conversion,” Opt. Express 15, 4445-4451 (2007).
  24. Yi-Jun Jen and Cheng-Yu Peng, “Narrow-Band and Broad-Band Polarization Conversion Reflection Filters,” Appl. Phys. Lett. 89, 041128 (2006).
  25. Yi-Jun Jen, Cheng-Yu Peng, Kuen-Teng Shiu, and Sheng-Yu Chou, “Arrange the equivalent thin metal film to have a narrow attenuated total reflection curve,” Jpn. J. Appl. Phys. 45 (2006).
  26. Yi-Jun Jen and Cheng-Lung Chiang, “Enhanced polarization conversion for an anisotropic thin film,” Opt. Commun. 265, 446-453 (2006).
  27. Yi-Jun Jen and Cheng-Lung Chiang, “Optical thickness and anisotropic orientation of a birefringent thin film: analysis from explicit expressions for reflection and transmission coefficients,” Opt. Eng. 45, 023802 (2006).
  28. Yi-Jun Jen, Shih-Heng Fan-Chiang, and Fu-Ken Liu, “Equivalent surface roughness for Gold nanoparticles on an Au film in the Kretschmann configuration,”  Jpn. J. Appl. Phys. 45, 1850-1852 (2006).
  29. Yi-Jun Jen, Cheng-Yu Peng, and Shu-Wei Lien, “Sensitive identification and measurement of a weak anisotropic thin film from the reflectance angular spectrum,” J. Opt. A-Pure Appl. Op. 8, 194-198 (2006).
  30. Yi-Jun Jen, Cheng-Hung Hsieh, and Tsai-Sheng Lo, “Optical constant determination of an anisotropic thin film via surface plasmon resonance: analyzed by sensitivity calculation,” Opt. Commun. 224, 269-277 (2005).
  31. Yi-Jun Jen and Yan-Ru Cheng, “Total reflection of waves propagating from a rare isotropic medium to a dense anisotropic medium,” Opt. Commun. 233, 271-275 (2004).
  32. Yi-Jun Jen, “Experimental verification of backward-wave phenomenon by observation of reflection at angles larges larger than 90 in an anisotropic medium,” Appl. Phys. Lett. 83, 3266-3268 (2003).
  33. Yi-Jun Jen and Cheng-Chung Lee, “Determination of the optical constants of an arbitrary oriented anisotropic thin film by exciting surface plasmons analyzed by the non-sysmmetric theory,” Opt. Eng. 42, 925-928 (2003).
  34. Yi-Jun Jen, Cheng-Chung Lee, and Yu-Min Chang, “Reflection property of anisotropic films: comparison of symmetric and asymmetric theories using attenuated total reflection,” J. Opt. A-Pure Appl. Op. 4, 481-484 (2002).
  35. Yi-Jun Jen and Cheng-Chung Lee, “Reflection and transmission phenomena of waves propagating between an isotropic medium and an arbitrarily oriented anisotropic medium,” Opt. Lett. 26, 190-192 (2001).
  36. Cheng-Chung Lee, Ta-Yuan Lee, and Yi-Jun Jen, “Ion-assisted deposition of silver thin films,” Thin Solid Films 359, 95-97 (2000).
  37. Yi-Jun Jen, “Determination of optical constants of anisotropic thin film from attenuated-total-reflection,” Journal of De-Lin Institute of Technology 14, 465 (2000).
  38. Cheng-Chung Lee and Yi-Jun Jen, “Influence of surface roughness on the calculation of optical constants of a metallic film by attenuated total reflection,” Appl. Opt. 38, 6029-6033 (1999).

 

Conference proceedings
 
  1. Yi-Jun Jen, Shih-Hao Wang, Chia-Feng Lin, and Meng-Jie Lin, Using a single anisotropic thin film as a phase retarder for oblique incident wave, Proc. SPIE 8104, (2011) (oral)
  2. Yi-Jun Jen, Ching-Wei Yu, Meng-Jie Lin, and Chia-Feng Lin, Optical birefringence in a bideposited symmetric nanorod arrays, Proc. SPIE 8104, (2011) (oral)
  3. Yi-Jun Jen, Jheng-Jie Jhou, and Ching-Wei Yu, An investigation on magnetic responses in Ag-SiO2-Ag nanosandwich structures, Proc. SPIE 8104, (2011) (oral)
  4. Yi-Jun Jen, Chia-Feng Lin, Tai-Hung Yu, and Chun-Jung Lai, Anisotropic optical property of an asymmetric bideposition Ta2O5 film: fabrication and measurement, Proc. SPIE 8104, (2011)
  5. Yi-Jun Jen, Wei-Hao Wang, and Ching-Wei Yu, Study on magnetic metamaterials of aluminum nanostructures in the visible range, Proc. of SPIE 8104, (2011)
  6. Yi-Jun Jen*, Jheng-Jie Jhou, Ching-Wei Yu, Wei-Hao Wang,  Equivalent permeabilities and permittivities of silver-pillar arrays in the visible regime, OPT'2010, Taiwan, Dec.3-Dec.4,OPT5-O-13(oral)
  7. Yi-Jun Jen*, Chia-Feng Lin, Shih-Hao Wang, Jeng-Ting Tsai, Cheng-Lin Tsai, Suei-Ting Chao, Color change of a silver nanoparticle film: control of particle size by oblique angle deposition technique , OPT'2010, Taiwan, Dec.3-Dec.4, OPT5-P-92.
  8. Yi-Jun Jen*, Meng-Jie Lin, Sin-Ni Lai, Kuan-Wei Su, Jian-jhe Hong , Polarization recycling system of broadband polarization conversion, OPT'2010, Taiwan, Dec.3-Dec.4, OPT5-P-93.
  9. Yi-Jun Jen*, and Meng-Jie Lin , Single dielectric columnar thin film as a broadband polarization conversion device, Proc. of SPIE, 7766-7, August 2010 San Diego, CA. (oral)
  10. Yi-Jun Jen*, Chia-Feng Lin, Jau-Huei Lin , Equivalent admittance of semi-continuous silver films, Proc. of SPIE, 7766-16, August 2010 San Diego, CA. (oral)
  11. Yi-Jun Jen*, Ching-Wei Yu and Yu-Hsiung Wang , Shape effect on the negative equivalent permeabilities of chevronic thin films of silver, Proc. of SPIE, 7766-11, August 2010 San Diego, CA. (oral)
  12. Yi-Jun Jen*, Chia-Feng Lin, and Yan-Pu Li, Apply Cosine-Shape Nanostructured Thin Film in TE Mode Surface Plasmon Resonance, Opt. Interference Coating, June 6-11, WA6 (2010), Arizona, USA.
  13. Ching-Wei Yu* and Yi-Jun Jen, Multilayer design for p- and s-polarized long-range surface-plasmon-polariton waves, Opt. Interference Coating, June 6-11, WC8 (2010), Arizona, USA.
  14. Yi-Jun Jen*, Meng-Jie Lin, and Wen-Pao Tsai, Achromatic Polarization Switch by Using a Single Anisotropic Columnar Thin Film, Opt. Interference Coating, June 6-11 WC3 (2010), Arizona, USA.
  15. Yi-Jun Jen*,and Chih-Hui Chen, Negative Real Parts of Equivalent Refractive Indices of Silver Nanorod Arrays with Different Thicknesses, Opt. Interference Coating, June 6-11, WA9 (2010), Arizona, USA.
  16. Yi-Jun Jen*, Yu-Hsiung Wang and Ching-Wei Yu, Negative Real Part of Equivalent Refractive Index of a Chevronic Nanostructured Film of Silver, Opt. Interference Coating, June 6-11, WA10 (2010), Arizona, USA.
  17. 任貽均*、游竟維、王榆雄, 以斜向角度量測銀奈米柱陣列的非均向性, OPT'09, Taiwan, Dec.11-Dec.12 (2009).
  18. 游竟維*、任貽均, 在Sarid組態下分析耦合層對激髮長程表面電漿之影響, OPT'09, Taiwan, Dec.11-Dec.12 (2009).
  19. 任貽均*、林孟頡、趙榮輝、王永祥、謝朝朋、趙守敬、劉威志、吳彰偉, 非均向光學薄膜之濕度感測應用, OPT'09, Taiwan, Dec.11-Dec.12 (2009).
  20. 任貽均*、林佳鋒, 以波浪型奈米結構薄膜激發橫向模態之表面電漿, OPT'09, Taiwan, Dec.11-Dec.12 (2009).
  21. Yi-Jun Jen＊, Ching-Wei Yu, Chin-Te Lin,  Backward wave phenomenon for light propagating through a silver nanorod array, Proc. of SPIE, 7394-87, 2-6 August 2009 San Diego, CA
  22. Yi-Jun Jen＊ , Chia-Feng Lin, Tzu-Yi Chan,  The absorption modes of a dielectric-metal-dielectric nanorod array in the Kretschmann configuration, Proc. of SPIE, 7394-90, 2-6 August 2009 San Diego, CA .
  23. Yi-Jun Jen＊, Chia-Feng Lin, Yan-Pu Li, Meng-Jie Lin, Periodic nanostructures for s-polarization surface plasmon resonance, Nanophotonics and Meta-Materials 2009, Taiwan, Apr. 29-May 1 (2009).
  24. Yi-Jun Jen＊, Akhlesh Lakhtakia , Ching-Wei Yu, A glancing angle deposited metamaterial thin film,Nanophotonics and Meta-Materials 2009, Taiwan, Apr. 29-May 1 (2009).
  25. Yi-Jun Jen＊, Chin-Te Lin, Ching-Wei Yu and Meng-Jie Lin, An interpretation for negative refraction phenomenon in silver nanowires,Nanophotonics and Meta-Materials 2009, Taiwan, Apr. 29-May 1 (2009).
  26. Yi-Jun Jen＊ and Ching-wei Yu, Giant optical birefringence in silver nanorod arrays, OPT'08, Taiwan, Dec.4-Dec.6 (2008).
  27. Yi-Fan Huang and Yi-Jun Jen＊, Analysis of Antireflection Properies of Silicon Nanotips with Gradient Refractive Index theory, OPT'08, Taiwan, Dec.4-Dec.6 (2008).
  28. Yi-Fan Huang, Yi-Jun Jen＊, C.Y. Peng, Surojit, K. H. Chen, L.C. Chen, Bioinspired silicon nanotips for broadband antireflection coating, OPT'08, Taiwan, Dec.4-Dec.6 (2008).
  29. Yi-Jun Jen＊, Wen-Lung Hsu and Ching-Wei Yu, Optical properties of silver nanorod arrays prepared by oblique angle deposition, Proc. of SPIE, 7041, August 2008 San Diego, CA
  30. Yi-Fan Huang, Yi-Jun Jen＊, Kuei-Hsien Chenb, Li-Chyong Chen, Wide angle and broadband antireflection properties for a silicon nanotip array, Proc. of SPIE, 7039, August 2008 San Diego, CA. (oral) .
  31. Yi-Jun Jen＊ and Wen-Lung Hsu, Fabrication and optical measurement of aligned Ag nanorod arrays, OPT'07, Taiwan, Nov.31-Dec.1 (2007).
  32. Yi-Jun Jen＊ and Yi-Hong Liao and Ching-wei Yu, The influence of optical constants of the two layered system on the polarization state modulation, OPT'07, Taiwan, Nov.31-Dec.1 (2007)
  33. Yi-Jun Jen＊ and Yung-Hsun Chen, 量測非均向光學薄膜之反射偏極態並偵測其光學常數, OPT'07, Taiwan, Nov.31-Dec.1 (2007).
  34. 任貽均＊、林孟頡、詹翔宇、陳俊傑、賴映佑、劉可萱、林佳鋒、趙榮輝, 利用影像輪廓法與偏極轉換法分析非均向性光學薄膜的柱狀傾角和主軸傾角之差異, OPT'07, Taiwan, Nov.31-Dec.1 (2007).
  35. Yi-Jun Jen＊ and Cheng-Yu Peng, 「Polarization state modulation for the reflected ray from an anisotropic thin film,」 Opt. Interference Coating, June 3-8, TuC7 (2007), Arizona, USA.
  36. Yi-Jun Jen＊ and Ching-wei Yu, 「Optical resonances in an aligned Al nano-rod array,」 Opt. Interference Coating, June 3-8, MC5 (2007), Arizona, USA.
  37. Yi-Jun Jen＊ and Chia-Feng Lin, Using Phisweep technique to sculpture anisotropic optical thin films, Opt. Interference Coating, June 3-8, TuC9 (2007), Arizona, USA.
  38. Yi-Jun Jen＊and Chih-Wei Liu, Optical constants determination of an anisotropic thin film by measuring the polarization states associated with polarization conversion reflection Opt. Interference Coating, June 3-8, TuC6 (2007), Arizona, USA.
  39. Cheng-Yu Peng and Yi-Jun Jen, Influences of the incident angle, orientation of deposition plane and film thickness on a polarization conversion reflection filter, Opt. Interference Coating, June 3-8, TuC5 (2007), Arizona, USA.
  40. Yi-Jun Jen＊ and Ching-wei Yu, Optical properties of the metal thin flim prepared by oblique angle deposition, OPT'06, Taiwan, Dec.15-16 (2006).
  41. Yi-Jun Jen＊ and Chih-Wei Liu, Polarization states associated with polarization conversion reflection from an anisotropic thin film, OPT'06, Taiwan, Dec.15-16 (2006).
  42. Yi-Jun Jen＊ and Chia-Feng Lin, Sculpture anisotropic optical thin films by Phisweep method, OPT'06, Taiwan, Dec.15-16 (2006).
  43. Cheng-Yu Peng and Yi-Jun Jen, Tunable band-pass polarization conversion reflectance filters, OPT'06, Taiwan, Dec.15-16 (2006).
  44. Yi-Jun Jen＊ and Cheng-Yu Peng, Apply Bideposition technique in wide angle antireflection coatings, OPT'05, Taiwan, Dec.9-10 (2005).
  45. Yi-Jun Jen＊ and Cheng-Yu Peng, Use equivalent metal films to modulate the attenuated total reflection spectrum, OPT'05, Taiwan, Dec. 9-10 (2005).
  46. Yi-Jun Jen＊ and Cheng-Lung Chiang, Polarization conversion for light reflected from an anisotropic thin film, OPT'04, Taiwan, Dec.18-19 (2004).
  47. Yi-Jun Jen＊, Cheng-Lung Chiang and Heng-Hao Chang, Zig-zag sculptured thin-film polarizer for use at normal incidence, OPT'04, Taiwan, Dec.18-19 (2004).
  48. Yi-Jun Jen＊, Cheng-Yu Peng, Shih-Heng Fan-Chiang, Kuen-Teng Shiu and Sheng-Yu Chou, The equivalent thin metal film for a narrower ATR curve: analyzed by two virtual modes, OPT'04, Taiwan, Dec.18-19 (2004).
  49. Yi-Jun Jen＊ Cheng-Lung Chiang, Heng-Hao Chang and Shih-Heng Fan-Chiang, Explicit expressions of reflection and transmission coefficients for a thin liquid-crystal plate with arbitrary optical axis orientation, TDC, Taiwan, June 10-11 (2004).
  50. Yi-Jun Jen＊ and Cheng-Yu Peng, Optical Constants Determination of an Anisotropic Thin Film by Attenuated Total Reflection Method Analyzed by Sensitivity Calculation, CLEO, 2003.
  51. Yi-Jun Jen＊, Cheng-Yu Peng and Shu-Wei Lien, Obvious signal of a weak anisotropic thin film in angular spectrum measurement , OPT'03, Taiwan, Dec.25-26, (2003)
  52. Yi-Jun Jen＊and Yan-Ru Cheng, Abnormal Total reflection of light propagating from an isotropic medium to an anisotropic medium , OPT'03, Taiwan, Dec.25-26, (2003)
  53. Yi-Jun Jen＊, Cheng-Hung Hsieh ,and Tsai-Sheng Lo, Optical Constants Determination of an Anisotropic Thin Film by Attenuated Total Reflection Method Analyzed by Sensitivity Calculation , OPT'03, Taiwan, Dec.25-26, (2003)
  54. Yi-Jun Jen＊ and Cheng-Chung Lee, Determination of optical constants of anisotropic film by considering the wave vector boundary condition , OPT'02, Taiwan, Dec.12-13, (2002)
  55. Yi-Jun Jen＊ and Cheng-Chung Lee, Determination of Optical Constants for an Arbitrarily Oriented Anisotropic Thin Film by Attenuated Total Reflection method" Opt. Interference Coating, 8th Topical meeting, July 7-12, ThA5, (2001), Banff, Canada.
  56. Yi-Jun Jen＊ and Cheng-Chung Lee, Using Surface Plasmon Resonance method to demonstrate the reflection property of anisotropic films, IPC'01, Taiwan, Dec.13-14, (2001)
  57. Cheng-Chung Lee and Yi-Jun Jen＊, Influence of Surface Roughness on the Surface Plasma Wave, Opt. Interference Coating, 7th Topical meeting, June 7-12, ThA3, (1998), Tucson AZ, USA.
  58. Cheng-Chung Lee, Ta-Yuan Lee, and Yi-Jun Jen＊, The Effect of Ion Bombardment on the Deposition of Silver Thin Films, IPC'98, Taiwan, Dec.15-18, (1998), F-P024　
 
　
Patent
 
1. Yi-Jun Jen＊, Optical configuration for generating polarization conversion. (Taiwan)    
  
2. Yi-Jun Jen＊, Optical configuration for generating polarization conversion. (USA)
 
3. Yi-Jun Jen＊, 具非均向性薄膜的低色差相位延遲器及其製作方法, filed and Pending.(USA)  
 
4. Yi-Jun Jen＊, 可增強光線中某一偏極態之光學系統與具有此系統之光源系統, filed and pending.(USA)  
 
5. Yi-Jun Jen＊, 可產生偏極轉換之光學結構, filed and pending
　
Technical Report
 
1.   Yi-Jun Jen＊, Ching-wei Yu and Chin-Te Lin, Vapor-deposited Nanostructured Silver Film with Negative Refractive Index,中華民國光學工程學會會刊,光學工程107 2009.09[民98.09] 頁14-22
2.   Yi-Jun Jen,,* Chia-Feng Lin and Ching-wei, The Study of Optical Properties for Anisotropic Thin Film,科儀新知30:3=167 2008.12[民97.12] 頁46-54
3.   Yi-Jun Jen＊, Determination of Optical Constants of Anisotropic Thin Film from Attenuated-Total-Reflection, 四海學報, 14, 465(2000)
4.   Yi-Jun Jen＊, 我國非球面鏡片市場, 光連, 4 85年7月
　

 

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