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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 |
| Yi-Jun Jen Professor & Chair in electro-optical engineering |
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| Yi-Jun Jen is Professor and Chairman of the Department of Electro-optical Engineering. He received MS and PhD degrees from the Institute of Optical Sciences of the National Central University in 1994 and 2001, respectively. He joined the department of electro-optical engineering, National Taipei University of Technology in 2002. His current research interests are the fabrication of nano-sculptured thin films, novel optical devices development with multilayer design and deposition, anisotropic optical analysis and measurements for nano-scale composite materials. |
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| Educational background |
◤Ph.D. Institute of Optical Science, National Central University (2001)
◤MS. Institute of Optical Science, National Central University (1994)
◤BS. Department of Physics, National Central University (1992)
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| Working experience |
□PROFESSIONAL EXPERIENCE
◤(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
◤(1996~2000) Lecturer, De-Lin Institute of Technology
□PROFESSIONAL AFFILIATION
◤2003~present Member Optical Society of America(OSA)
◤2003~present Member The International Society for Optical Engineering (SPIE)
◤2008~present Member Taiwan Optical Engineering Society
◤2009~present Advisor SPIE student chapter in National Taipei University, Taiwan
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| Syllabus |
1.Optical Thin Film Property─Optical Thin Film characteristic Measurement
2.Optical Thin Film Coating─Design and fabricate of Optical Thin Film
3.Wave in Optics─Electromagnetic theory |
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| Research areas |
1.Optical thin film design theory:
（1）Antireflection coatings
（2）Neutral mirrors and beam splitters
（3）Multilayer high-reflectance coatings
（4）Edge filters
（5）Band-pass filters
（6）Tilter coatings
2. Anisotropic optical thin films:
（1）Propagation equation in biaxial media
（2）Basis Vectors in biaxial media
（3）Transfer matrices in biaxial media
（4）Reflection and transmission
3. Ellipsometry:
（1）Polarization of monochromatic waves of arbitrary spatial structure
（2）Representation of the polarization states of light by complex numbers
（3）Polarizing optical systems
（4）The Jones-matrix formulation
（5）Transformation of polarization by an optical system in the Poincare'-sphere representation
4. Surface plasma:
（1）Dispersion relation, extension and propagation length for the electromagnetic fields of the surface plasmons
（2）Excitation of surface plasmons by electrons and by light
（3）Internal and radiation damping
（4）Field enhancement due to surface plasmons
5. Scattering and EMA:
（1）The effective medium theory 「Maxwell-Garnett and Bruggeman Model」:
The existing modifications of Effective Medium theories(EM), such as Maxwell-Garnett(MG) or Bruggemann are established for essentially random structures and could be highly inaccurate for regular or partly ordered arrays.
（2）Discrete-dipole approximation:
The discrete-dipole approximation(DDA) for scattering calculations, computing scattering and absorption by isolated, homogeneous spheres as well as by targets consisting of two contiguous spheres. It is shown that for dielectric or metal materials, the DDA permits calculations of scattering and absorption that are accurate to within a few percent.
（3）Absorption and scattering by an arbitrary particle
6. FDTD simulation:
（1）Analytical absorbing boundary conditions
（2）Perfectly matched layer absorbing boundary conditions
（3）Near-to-far-field transformation
（4）Dispersive, nonlinear, and gain materials
7. Electrodynamics of metamaterials:
（1）Optical magnetism, left-handed optical materials
（2）Semicontinuous metal films
（3）Localization of surface plasmons
（4）Optical properties of metal-dielectric films
（5）Surface Enhanced Raman Scattering (SERS) |
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| Research projects |
Significant Performance
□EXECUTED PROJECTS
EXECUTED PROJECTS SPONSORED BY NATIONAL SCIENCE COUNCIL
◤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
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| Distinguished awards |
01. Who』Who in the World(2006)
02. Journal of the Optical Society of America A, referee (2006)
03. Who』Who in Science and Engineering(2005)
04. Optics Letters, referee (2004)
05. Optics Letters, referee (2003)
06. Journal of the Optical Society of America B, referee (2001) |
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| Journal papers |
1. 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)
2. Yi-Jun Jen, Yi-Hong Liao, ”Surface plasmon resonance via polarization conversion in a weak anisotropic thin film,” Appl. Phys. Lett. 94, 011105 2009
3. Yi-Jun Jen, Yung-Hsun Chen, Ching-Wei Yu, and Yen-Pu Li, “Near-perfect modulator for polarization state of light,” J. Nanophoton. Vol. 2, 029504 (2008)
4. Yi-Jun Jen and Chia-Feng Lin, “Anisotropic optical thin films finely sculptured by substrate sweep technology,” Opt. Express16, 5372-5377 (2008). (SCI, 2006 Impact factor=4.009, Rank=1/56)
5. 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,” Optics Letters 33, 467 (2008) (SCI, 2006 Impact factor=3.598, Rank=2/56)
6. 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,” Nature Nanotechnology 2, 770 (2007) SCI
7. Yi-Jun Jen, Ching-Wei Yu, “Metal and dielectric duality for an aligned Al nano-rod array,” Applied Physics Letters 91, 021109 (2007) (SCI, 2006 Impact factor=3.977, Rank=6/84) (Selected by Virtual Journal of Nanoscale Science & Technology 16, 4 2007 )
8. Yi-Jun Jen, Cheng-Yu Peng and Heng-Hao Chang, “Optical constant determination of an anisotropic thin film via polarization conversion,” Optics Express 15, 4445-4451 (2007) (SCI, 2006 Impact factor=4.009, Rank=1/56)
9. Yi-Jun Jen and Cheng-Yu Peng, “Narrow-Band and Broad-Band Polarization Conversion Reflection Filters,” Applied Physics Letters 89, 041128 (2006) (SCI, Impact factor=3.977, Rank=6/84)
10. Yi-Jun Jen, Cheng-Yu Peng, Kuen-Teng Shiu, Sheng-Yu Chou, “Arrange the equivalent thin metal film to have a narrow attenuated total reflection curve,” Japanese Journal of Applied Physics, 45(9A) (2006) (SCI, Impact factor= 1.222, Rank=39/84)
11. Yi-Jun Jen and Cheng-Lung Chiang, “Enhanced polarization conversion for an anisotropic thin film,” Optics Communications 265, 446-453 (2006) (SCI, Impact factor=1.480, Rank=18/56)
12. 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,” Optical Engineering 45, 023802 (2006). (SCI, Impact factor=0.897, Rank=31/56)
13. 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,” Japanese Journal of Applied Physics 45, 1850-1852 (2006) (SCI, Impact factor=1.222, Rank=39/84)
14. 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,” Journal of Optics A: Pure and Applied Optics 8, 194-198 (2006) (SCI, Impact factor=1.295, Rank=23/56)
15. 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,” Optics Communications 224, 269-277 (2005) (SCI, Impact factor=1.459, Rank=18/56)
16. Yi-Jun Jen and Yan-Ru Cheng, “Total reflection of waves propagating from a rare isotropic medium to a dense anisotropic medium,” Optics Communications 233, 271-275 (2004). SCI (NSC-92-2215-E-027-005)
17. Yi-Jun Jen, “Experimental verification of backward-wave phenomenon by observation of reflection at angles larges larger than 90 in an anisotropic medium,” Applied Physics Letters 83, 3266-3268 (2003). SCI (NSC-91-2215-E-027-002)
18. 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,” Optical Engineering 42, 925-928 (2003). SCI (NSC-91-2215-E-027-002)
19. 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,” Journal of Optics A: Pure and Applied Optics 4, 481-484 (2002). SCI
20. Yi-Jun Jen and Cheng-Chung Lee, “Reflection and transmission phenomena of waves propagating between an isotropic medium and an arbitrarily oriented anisotropic medium,” Optics Letters 26, 190-192 (2001). SCI
21. Cheng-Chung Lee, Ta-Yuan Lee and Yi-Jun Jen, “Ion-assisted deposition of silver thin films,” Thin Solid Films 359, 95-97 (2000). SCI
22. Yi-Jun Jen, “Determination of optical constants of anisotropic thin film from attenuated-total-reflection,” 四海學報 14, 465 (2000).
23. 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,” Applied Optics 38, 6029 (1999) SCI
24. Yi-Jun Jen, “我國非球面鏡片市場”, 光連, Vol. 4 85年7月
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| Conference papers |
1. 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).
2. Y.F. Huang,Y.J. Jen,C.Y. Peng,Surojit,K.H. Chen,L.C. Chen, "Bioinspired silicon nanotips for broadband antireflection coating",中國材料科學學會年會 08, Taiwan(2008)
3. Yi-Jun Jen and Ching-wei Yu, “Giant optical birefringence in silver nanorod arrays,” OPT’08, Taiwan, Dec.4-Dec.6 (2008).
4. 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
5. 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) .
6. Yi-Jun. Jen and Wen-Lung Hsu, “Fabrication and optical measurement of aligned Ag nanorod arrays,” OPT’07, Taiwan, Nov.31-Dec.1 (2007)
7. 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)
8. 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)
9. 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)
10.Yi-Jun. Jen and Cheng-Yu Peng,"Apply Bideposition technique in wide angle antireflection coatings," OPT』05, Taiwan, Dec.9-10 (2005).
11.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).
12.Yi-Jun. Jen and Cheng-Lung Chiang,"Polarization Conversion for Light Reflected from an Anisotropic Thin Film," OPT』04, Taiwan, Dec.18-19 (2004).
13.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).
14.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)." TDC, Taiwan, June 10-11 (2004).
15.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).
16.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).
17.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).
18.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).
19.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).
20.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).
21.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.
22.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)
23.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.
24.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
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| Books |
| 1.任貽均編著,「研究所電磁學」,精準出版社,民國八十九年七月出版 |
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| Patents |
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| Technical reports |
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