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1

UV Sensor Based on Photomechanically Functional Polymer-Coated FBG

Hyun-Kyoung Kim, Woojin Shin, Tae-Jung Ahn

Journal:

IEEE Photonics Technology Letters

Year:

2010

Language:

english

File:

PDF, 252 KB

english, 2010

2

Analysis of nonlinear frequency sweep in high-speed tunable laser sources using a self-homodyne measurement and Hilbert transformation

Ahn, Tae-Jung, Kim, Dug Young

Journal:

Year:

2007

Language:

english

File:

PDF, 826 KB

english, 2007

3

Improved Optical Pulse Characterization Based on Feedback-Controlled Hilbert Transformation Temporal Interferometry

Tae-Jung Ahn, Yongwoo Park, Azaa, J.

Journal:

IEEE Photonics Technology Letters

Year:

2008

Language:

english

File:

PDF, 95 KB

english, 2008

4

Synchronized Generation of Reconfigurable Microwave Sinusoidal Wave Packets From a Free-Running Pulsed Laser

Yongwoo Park, Tae-Jung Ahn, Fangxin Li, Azana, J.

Journal:

IEEE Photonics Technology Letters

Year:

2008

Language:

english

File:

PDF, 333 KB

english, 2008

5

Highly sensitive and fast UV sensor based on fiber grating with easily producible photoreactive material

Seo, Gyeong-Seo, Cho, Hee-Taek, Lim, Ok-Rak, Ahn, Tae-Jung

Journal:

Sensors and Actuators A: Physical

Year:

2018

Language:

english

File:

PDF, 841 KB

english, 2018

6

Distributed UV Light Sensor Probe Based on Photo-Responsive Polymer Coated Optical Fiber

Ahn, Tae-Jung, Seo, Gyeong-Seo, Lim, Ok-Rak

Journal:

IEEE Photonics Technology Letters

Year:

2019

Language:

english

File:

PDF, 791 KB

english, 2019

7

[IEEE 2019 16th International Conference on Ubiquitous Robots (UR) - Jeju, Korea (South) (2019.6.24-2019.6.27)] 2019 16th International Conference on Ubiquitous Robots (UR) - Friction Model of a Robot Manipulator Considering the effect of Gravitational torque

Kim, Tae-Jung, Ahn, Kuk-Hyun, Song, Jae-Bok

Year:

2019

Language:

english

File:

PDF, 2.11 MB

english, 2019

8

Spliced-fiber mode filter for 1060-nm single-mode transmission

Sucbei Moon, Dug-Young Kim, Tae-Jung Ahn

Journal:

Optics Communications

Year:

2010

Language:

english

File:

PDF, 566 KB

english, 2010

9

Decrease in Apoptosis and Increase in Polyploidization of Megakaryocytes by Stem Cell Factor During Ex Vivo Expansion of Human Cord Blood CD34+ Cells Using Thrombopoietin

Jeong-Hae Kie, Woo-Ick Yang, Mi-Kyung Lee, Tae-Jung Kwon, Yoo-Hong Min, Hyun-Ok Kim, Hyo-Seop Ahn, Seock-Ah Im, Hyung-Lae Kim, Hae-Young Park, Kyung-Ha Ryu, Wha-Soon Chung, Myeong-Heon Shin, Yu-Jin Ju

Journal:

Year:

2002

Language:

english

File:

PDF, 459 KB

english, 2002

10

Ultrarapid Optical Frequency-Domain Reflectometry Based Upon Dispersion-Induced Time Stretching: Principle and Applications

Tae-Jung Ahn, Yongwoo Park, Azaña, J.

Journal:

IEEE Journal of Selected Topics in Quantum Electronics

Year:

2012

Language:

english

File:

PDF, 929 KB

english, 2012

11

Measurement Method for Profiling the Residual Stress and the Strain-Optic Coefficient of an Optical Fiber

Park, Yongwoo, Ahn, Tae-Jung, Kim, Yune Hyoun, Han, Won-Taek, Paek, Un-Chul, Kim, Dug Young

Journal:

Year:

2002

Language:

english

File:

PDF, 169 KB

english, 2002

12

Effect of CO_2 Laser Irradiation on the Refractive-Index Change in Optical Fibers

Kim, Bok Hyeon, Ahn, Tae-Jung, Kim, Dug Young, Lee, Byeong Ha, Chung, Youngjoo, Paek, Un-Chul, Han, Won-Taek

Journal:

Year:

2002

Language:

english

File:

PDF, 163 KB

english, 2002

13

Suppression of nonlinear frequency sweep in an optical frequency-domain reflectometer by use of Hilbert transformation

Ahn, Tae-Jung, Lee, Ji Yong, Kim, Dug Young

Journal:

Year:

2005

Language:

english

File:

PDF, 678 KB

english, 2005

14

Frequency-domain intermodal interferometer for the bandwidth measurement of a multimode fiber

Ahn, Tae-Jung, Moon, Sucbei, Kim, Soan, Oh, Kyunghwan, Kim, Dug Young, Kobelke, Jens, Schuster, Kay, Kirchhof, Johnnes

Journal:

Year:

2006

Language:

english

File:

PDF, 323 KB

english, 2006

15

Stabilization of a fiber-optic two-arm interferometer for ultra-short pulse signal processing applications

Park, Yongwoo, Ahn, Tae-Jung, Azaña, José

Journal:

Year:

2008

Language:

english

File:

PDF, 580 KB

english, 2008

16

Mode Analysis and Modal Delay Measurement of a Few-Mode Fiber by Using Optical Frequency Domain Reflectometry

Ahn, Tae-Jung, Moon, Sucbei, Youk, Youngchun, Jung, Yongmin, Oh, Kyunghwan, Kim, Dug Young

Journal:

Journal of the Optical Society of Korea

Year:

2005

File:

PDF, 374 KB

2005

17

Optical frequency-domain chromatic dispersion measurement method for higher-order modes in an optical fiber

Ahn, Tae-Jung, Jung, Yongmin, Oh, Kyunghwan, Kim, Dug Young

Journal:

Year:

2005

Language:

english

File:

PDF, 171 KB

english, 2005

18

Optical frequency domain reflectometry based on real-time Fourier transformation

Park, Yongwoo, Ahn, Tae-Jung, Kieffer, Jean-Claude, Azaña, José

Journal:

Year:

2007

Language:

english

File:

PDF, 627 KB

english, 2007

19

Transform-limited picosecond pulse shaping based on temporal coherence synthesization

Park, Yongwoo, Asghari, Mohammad H., Ahn, Tae-Jung, Azaña, José

Journal:

Year:

2007

Language:

english

File:

PDF, 353 KB

english, 2007

20

All-optical temporal integration of ultrafast pulse waveforms

Park, Yongwoo, Ahn, Tae-Jung, Dai, Yitang, Yao, Jianping, Azaña, José

Journal:

Year:

2008

Language:

english

File:

PDF, 483 KB

english, 2008

21

Photonic temporal integrator for all-optical computing

Slavík, Radan, Park, Yongwoo, Ayotte, Nicolas, Doucet, Serge, Ahn, Tae-Jung, LaRochelle, Sophie, Azaña, José

Journal:

Year:

2008

Language:

english

File:

PDF, 315 KB

english, 2008

22

Real-time complex temporal response measurements of ultrahigh-speed optical modulators

Park, Yongwoo, Ahn, Tae-Jung, Azaña, José

Journal:

Year:

2009

Language:

english

File:

PDF, 574 KB

english, 2009

23

Wavelength-selective directional couplers as ultrafast optical differentiators

Ahn, Tae-Jung, Azaña, José

Journal:

Year:

2011

Language:

english

File:

PDF, 983 KB

english, 2011

24

Fourier-domain low-coherence interferometry for differential mode delay analysis of an optical fiber

Lee, Ji Yong, Ahn, Tae-Jung, Moon, Sucbei, Youk, Young Chun, Jung, Yong Min, Oh, Kyunghwan, Kim, Dug Young

Journal:

Year:

2006

Language:

english

File:

PDF, 210 KB

english, 2006

25

Fast and accurate group delay ripple measurement technique for ultralong chirped fiber Bragg gratings

Ahn, Tae-Jung, Park, Yongwoo, Azaña, José

Journal:

Year:

2007

Language:

english

File:

PDF, 242 KB

english, 2007

26

Direct time-response measurement of high-speed optical modulators based on stretched-pulse interferometry

Park, Yongwoo, Ahn, Tae-Jung, Azaña, José

Journal:

Year:

2007

Language:

english

File:

PDF, 132 KB

english, 2007

27

Frequency-domain modal delay measurement for higher-order mode fiber based on stretched pulse interference

Ahn, Tae-Jung, Park, Yongwoo, Moss, David J., Ramachandran, Siddharth, Azaña, José

Journal:

Year:

2008

Language:

english

File:

PDF, 215 KB

english, 2008

28

Simple and highly sensitive optical pulse-characterization method based on electro-optic spectral signal differentiation

Azaña, José, Park, Yongwoo, Ahn, Tae-Jung, Li, Fangxing

Journal:

Year:

2008

Language:

english

File:

PDF, 292 KB

english, 2008

29

Clear cell chondrosarcoma in the nasal septum

Tae-Jung Kim, Ahn Hi Lee, Yeong-Jin Choi, Eun Sun Jung, Min Sik Kim, Kyo Young Lee

Journal:

Otolaryngology - Head and Neck Surgery

Year:

2007

Language:

english

File:

PDF, 344 KB

english, 2007

30

[IEEE 2008 34th European Conference on Optical Communication - Brussels, Belgium (2008.09.21-2008.09.25)] 2008 34th European Conference on Optical Communication - Synchronized generation of microwave DC-free sinusoids from a free-running pulsed laser for electro-optic signal processing

Park, Yongwoo, Tae-Jung Ahn,, Fangxin Li,, Azana, Jose

Year:

2008

Language:

english

File:

PDF, 795 KB

english, 2008

31

Dual-wavelength first-order optical differentiators based on bidirectional fiber couplers

Jeong, Hoe-Seok, Kim, Chan-Young, Shin, Woojin, Ahn, Tae-Jung

Journal:

Journal of Optics (IOPscience)

Year:

2013

Language:

english

File:

PDF, 285 KB

english, 2013

32

[IEEE 2013 12th International Conference on Optical Communications and Networks (ICOCN) - Chengdu, China (2013.07.26-2013.07.28)] 2013 12th International Conference on Optical Communications and Networks (ICOCN) - Recent advances in ultrafast all-optical signal processing and generation

Li, Ming, Ashrafi, Reza, Zhu, Ninghua, Ahn, Tae-Jung, LaRochelle, Sophie, Azana, Jose

Year:

2013

Language:

english

File:

PDF, 544 KB

english, 2013

33

[IEEE 2012 Photonics Global Conference (PGC) - Singapore, Singapore (2012.12.13-2012.12.16)] 2012 Photonics Global Conference (PGC) - Azobenzene polymer waveguide for UV sensors

Song, Il-Shin, Kim, Chan-Young, Han, A-Ram, Yoo, Jong Su, Lee, Seong Yun, Kim, Hyun-Kyoung, Ahn, Tae-Jung

Year:

2012

Language:

english

File:

PDF, 706 KB

english, 2012

34

[IEEE LEOS 2007 - IEEE Lasers and Electro-Optics Society Annual Meeting - Lake Buena Vista, FL, USA (2007.10.21-2007.10.25)] LEOS 2007 - IEEE Lasers and Electro-Optics Society Annual Meeting Conference Proceedings - Group delay ripple (GDR) measurement for chirped fiber Bragg gratings

Ahn, Tae-Jung, Park, Yongwoo, Azana, Jose

Year:

2007

Language:

english

File:

PDF, 297 KB

english, 2007

35

[IEEE 2008 34th European Conference on Optical Communication - Brussels, Belgium (2008.09.21-2008.09.25)] 2008 34th European Conference on Optical Communication - Direct measurement of amplitude and phase temporal responses of ultrahigh-speed optical modulators

Yongwoo Park,, Tae-Jung Ahn,, Jose Azana,

Year:

2008

Language:

english

File:

PDF, 722 KB

english, 2008

36

[IEEE 2008 Conference on Optical Fiber Communication - OFC 2008 Collocated National Fiber Optic Engineers - San Diego, CA, USA (2008.2.24-2008.2.28)] OFC/NFOEC 2008 - 2008 Conference on Optical Fiber Communication/National Fiber Optic Engineers Conference - Real-time group delay ripple (GDR) measurement for chirped fiber Bragg gratings

Ahn, Tae-Jung, Park, Yongwoo, Azana, Jose

Year:

2008

Language:

english

File:

PDF, 660 KB

english, 2008

37

[IEEE OFCNFOEC 2006. 2006 Optical Fiber Communication Conference and the National Fiber Optic Engineers Conference - Anaheim, CA, USA (2006.03.5-2006.03.10)] 2006 Optical Fiber Communication Conference and the National Fiber Optic Engineers Conference - Optical frequency-domain modal dispersion measurement in multimode fibers using intermodal interferometer

Tae-Jung Ahn x,, Tae-Jung Ahn,, Sucbei Moon,, Soan Kim,, Kyunghwan Oh,, Dug Young Kim,, Kobelke, J., Schuster, K., Kirchhof, J.

Year:

2006

Language:

english

File:

PDF, 1.16 MB

english, 2006

38

[IEEE 2008 Conference on Optical Fiber Communication - OFC 2008 Collocated National Fiber Optic Engineers - San Diego, CA, USA (2008.2.24-2008.2.28)] OFC/NFOEC 2008 - 2008 Conference on Optical Fiber Communication/National Fiber Optic Engineers Conference - Novel modal delay measurement for higher-order mode fiber using stretched pulse - based interferometry

Ahn, Tae-Jung, Park, Yongwoo, Moss, David J., Ramachandran, Siddharth, Azana, Jose

Year:

2008

Language:

english

File:

PDF, 418 KB

english, 2008

39

[IEEE 2012 Photonics Global Conference (PGC) - Singapore, Singapore (2012.12.13-2012.12.16)] 2012 Photonics Global Conference (PGC) - Differential mode group delay measurement for fewmode fiber using phase-sensitive intermodal spectral domain interferometer

Chan-Young Kim,, Il-Shin Song,, Tae-Jung Ahn,

Year:

2012

Language:

english

File:

PDF, 1.04 MB

english, 2012

40

[IEEE 2008 Conference on Optical Fiber Communication - OFC 2008 Collocated National Fiber Optic Engineers - San Diego, CA, USA (2008.2.24-2008.2.28)] OFC/NFOEC 2008 - 2008 Conference on Optical Fiber Communication/National Fiber Optic Engineers Conference - Synthesis of picosecond parabolic pulses formed by a long period fiber grating structure and its application for flat-top supercontinuum generation

Slavik, Radan, Park, Yongwoo, Ahn, Tae-Jung, Azana, Jose

Year:

2008

Language:

english

File:

PDF, 1.26 MB

english, 2008

41

Fourier-domain mode delay measurement for multimode fibers using phase detection

Kim, Chan-Young, Ahn, Tae-Jung

Journal:

Optics Communications

Year:

2015

Language:

english

File:

PDF, 1.48 MB

english, 2015

42

SPIE Proceedings [SPIE Asia-Pacific Optical and Wireless Communications Conference and Exhibit - Beijing, China (Monday 12 November 2001)] Optical Fiber and Planar Waveguide Technology - Torsion sensing characteristics of optical fiber with a long-period grating pair

Ahn, Tae-Jung, Kim, B.H., Lee, Byeong Ha, Chung, Youngjoo, Paek, Un-Chul T., Han, Won-Taek, Jian, Shuisheng, Liu, Yanming

Year:

2001

Language:

english

File:

PDF, 316 KB

english, 2001

43

SPIE Proceedings [SPIE Asia Pacific Optical Sensors Conference 2013 - Wuhan, China (Tuesday 15 October 2013)] Fourth Asia Pacific Optical Sensors Conference - Sensitivity improvement of UV FBG sensor by downsizing grating diameter

Yang, Minghong, Wang, Dongning, Rao, Yun-Jiang, Song, Il-Shin, Kim, Chan-Young, Kim, Hyun-Kyoung, Kim, Bok-Hyeon, Ahn, Tae-Jung

Year:

2013

Language:

english

File:

PDF, 272 KB

english, 2013

44

25-terahertz-bandwidth all-optical temporal differentiator

Li, Ming, Jeong, Hoe-Seok, Azaña, José, Ahn, Tae-Jung

Journal:

Year:

2012

Language:

english

File:

PDF, 1.46 MB

english, 2012

45

Optical properties of the fiber-optic temperature sensor based on the side-hole fiber filled with indium

Kim, Bok Hyeon, Lee, Seung Ho, Son, Dong Hoon, Ahn, Tae-Jung, Kim, So Eun, Han, Won-Taek

Journal:

Year:

2013

Language:

english

File:

PDF, 728 KB

english, 2013

46

SPIE Proceedings [SPIE OFS2012 22nd International Conference on Optical Fiber Sensor - Beijing, , China (Sunday 14 October 2012)] OFS2012 22nd International Conference on Optical Fiber Sensors - UV sensor based on azobenzene-polymer-coated FBG

Song, Il-Shin, Kim, Chan-Young, Kim, Hyun-Kyoung, Lee, Su Nam, Ahn, Tae-Jung, Liao, Yanbiao, Jin, Wei, Sampson, David D., Yamauchi, Ryozo, Chung, Youngjoo, Nakamura, Kentaro, Rao, Yunjiang

Year:

2012

Language:

english

File:

PDF, 434 KB

english, 2012

47

Sensitivity enhancement of a UV photo-sensor based on a fiber Bragg grating coated by a photomechanical functional polymer

Song, Il-Shin, Kim, Woo-Young, Kim, Chan-Young, Kim, Bok Hyeon, Kim, Hyun-Kyoung, Ahn, Tae-Jung

Journal:

Sensors and Actuators A: Physical

Year:

2015

Language:

english

File:

PDF, 1.93 MB

english, 2015

48

SPIE Proceedings [SPIE Asia-Pacific Optical and Wireless Communications Conference and Exhibit - Beijing, China (Monday 12 November 2001)] Optical Fiber and Planar Waveguide Technology - Measurement of refractive index change due to CO2 laser irradiation using an LPG pair in optical fibers

Kim, Bokhyeon, Ahn, Tae-Jung, Park, Y., Kim, D.Y., Lee, Byeong Ha, Chung, Youngjoo, Paek, Un-Chul T., Han, Won-Taek, Jian, Shuisheng, Liu, Yanming

Year:

2001

Language:

english

File:

PDF, 212 KB

english, 2001

49

SPIE Proceedings [SPIE Lasers and Applications in Science and Engineering - San Jose, CA (Saturday 21 January 2006)] Commercial and Biomedical Applications of Ultrafast Lasers VI - Nonlinear frequency chirp measurement of frequency sweeping lasers for FD-OCT applications

Neev, Joseph, Ahn, Tae-Jung, Kim, Dug Young, Nolte, Stefan, Heisterkamp, Alexander, Schaffer, Christopher B.

Year:

2006

Language:

english

File:

PDF, 291 KB

english, 2006

50

SPIE Proceedings [SPIE Integrated Optoelectronic Devices 2006 - San Jose, CA (Saturday 21 January 2006)] Optical Components and Materials III - Gradient of the residual stress distribution in the mechanical defect on the optical fiber surface

Shin, In Hee, Digonnet, Michel J., Jiang, Shibin, Ahn, Tae-Jung, Kim, Dug Young

Year:

2006

Language:

english

File:

PDF, 326 KB

english, 2006