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1

Face recognition based on singular-value feature vectors

Pan, Quan, Zhang, Min-Gui, Zhou, De-Long, Cheng, Yong-Mei, Zhang, Hong-Cai

Journal:

Optical Engineering

Year:

2003

Language:

english

File:

PDF, 203 KB

english, 2003

2

Highly selective and sensitive turn-on fluorescent sensor for detection of Al 3+ based on quinoline-base Schiff base

Wang, Yang, Ma, Zhong-Ying, Zhang, De-Long, Deng, Jia-Li, Chen, Xiong, Xie, Cheng-Zhi, Qiao, Xin, Li, Qing-Zhong, Xu, Jing-Yuan

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2018

Language:

english

File:

PDF, 1.90 MB

english, 2018

3

Variational analysis of Er : Ti : LiNbO3 waveguide lasers based on Gaussian/two-half Gaussian mode field distribution

De-Long Zhang, Bo Wu

Journal:

Optics & Laser Technology

Year:

2002

Language:

english

File:

PDF, 407 KB

english, 2002

4

Shallow Strip Waveguide

Ping-Rang Hua, Bei Chen, Quan-Zhou Zhao, Fang Han, Dao-Yin Yu, Pun, E.Y.-B., De-Long Zhang

Journal:

IEEE Photonics Journal

Year:

2012

Language:

english

File:

PDF, 610 KB

english, 2012

5

Long-Period Grating on Strip Ti : LiNbO Waveguide Embedded in Planar Ti : LiNbO Waveguide

Ping-Rang Hua, De-Long Zhang, Pun, E.Y.

Journal:

IEEE Photonics Technology Letters

Year:

2010

Language:

english

File:

PDF, 185 KB

english, 2010

6

Near-Stoichiometric Ti : LiNbO Strip Waveguides Fabricated by Standard Ti Diffusion and Post-VTE

De-Long Zhang, Ping-Rang Hua, Pun, E.Y.-B.

Journal:

IEEE Photonics Technology Letters

Year:

2009

Language:

english

File:

PDF, 209 KB

english, 2009

7

Photorefractive-Damage-Resistant Locally Er–Mg-Doped Near-Stoichiometric Ti : Mg : Er : LiNbO Strip Waveguides: A Way Towards New Devices

Ping-Rang Hua, De-Long Zhang, Pun, E.Y.-B.

Journal:

IEEE Photonics Technology Letters

Year:

2010

Language:

english

File:

PDF, 160 KB

english, 2010

8

Optical-Damage-Resistant MgO-Diffused Near-Stoichiometric Strip Waveguides

Ping-Rang Hua, Shuai Zhang, Na Dong, Dao-Yin Yu, Pun, E.Y.-B., De-Long Zhang

Journal:

IEEE Photonics Technology Letters

Year:

2012

Language:

english

File:

PDF, 334 KB

english, 2012

9

Mode Indices Measurement of a Special Ti-Diffused $ \hbox{LiNbO}_{3}$ Waveguide Structure: A Strip Waveguide Array Embedded in a Planar Waveguide

Chen, Bei, Hua, Ping-Rang, Xu, Shi-Yu, Yu, Dao-Yin, Pun, Edwin Yue-Bun, Zhang, De-Long

Journal:

IEEE Photonics Journal

Year:

2012

Language:

english

File:

PDF, 533 KB

english, 2012

10

Relation of Refractive Index to Ti-Concentration in Near-Stoichiometric ${\rm Ti{:}LiNbO}_{3}$ Waveguide

Zhang, De-Long, Han, Fang, Xu, Shi-Yu, Chen, Bei, Hua, Ping-Rang, Yu, Dao-Yin, Pun, Edwin Yue-Bun

Journal:

IEEE Photonics Technology Letters

Year:

2013

Language:

english

File:

PDF, 469 KB

english, 2013

11

Excitation Direction Effect on Polarization Property of Er$^{3+}$ Electronic Transition in LiNbO$_{3}$ Waveguide and Bulk Material

Zhang, De-Long, Qi, Li, Hua, Ping-Rang, Valles, Juan-Antonio, Wang, Yu-Fang, Chen, Bei, Yu, Dao-Yin, Pun, Edwin Yue-Bun

Journal:

IEEE Photonics Technology Letters

Year:

2011

Language:

english

File:

PDF, 476 KB

english, 2011

12

Er3+ Upconversion Fluorescence of ErNbO4 Phosphor for Optical Temperature Sensing

Zhang, De-Long, Hou, Zhi-Pei, Han, Fang, Hua, Ping-Rang, Yu, Dao-Yin, Pun, Edwin Yue-Bun

Journal:

IEEE Photonics Technology Letters

Year:

2014

Language:

english

File:

PDF, 605 KB

english, 2014

13

Optical-Damage-Resistant Ti-Diffused LiNbO3 Strip Waveguide Doped With Scandium

Zhang, De-Long, Qiu, Cong-Xian, Wong, Wing-Han, Yu, Dao-Yin, Pun, Edwin Yue-Bun

Journal:

IEEE Photonics Technology Letters

Year:

2014

Language:

english

File:

PDF, 1.24 MB

english, 2014

14

${\rm Ti}{:}{\rm Er}{:}{\rm LiNbO}_{3}$ Strip Waveguide With High Diffusion-Doped ${\rm Er}^{3+}$ Concentration

Zhang, De-Long, Qiu, Cong-Xian, Han, Fang, Chen, Bei, Hua, Ping-Rang, Yu, Dao-Yin, Pun, Edwin Yue-Bun

Journal:

IEEE Photonics Technology Letters

Year:

2014

Language:

english

File:

PDF, 811 KB

english, 2014

15

Emission and absorption cross section spectra of Er3+ in LiNbO3 crystals codoped with indium

Zhang, De-Long, Qi, Li, Hua, Ping-Rang, Yu, Dao-Yin, Vallés, Juan-Antonio, Yue-Bun Pun, Edwin

Journal:

Journal of Materials Research

Year:

2011

Language:

english

File:

PDF, 593 KB

english, 2011

16

Surface Etching of MgO:LiNbO[sub 3] Crystal by Ti Metal for Integrated Optics

Zhang, De-Long, Zhang, Pei, Zhou, Hao-Jiang, Cui, Yu-Ming, Pun, Edwin Yue-Bun

Journal:

Journal of The Electrochemical Society

Year:

2010

Language:

english

File:

PDF, 563 KB

english, 2010

17

Electro-Optic Long Period Grating Based on Ti:LiNbO3 Optical Waveguide

Kang, Jian, Wong, Wing-Han, Pun, Edwin Yue-Bun, Zhang, De-Long

Journal:

IEEE Photonics Technology Letters

Year:

2015

Language:

english

File:

PDF, 1.08 MB

english, 2015

18

Refractive Index Profile in Photorefractive-Damage-Resistant Near-Stoichiometric Ti:Mg:Er: $\hbox{LiNbO}_{3}$ Strip Waveguide

Xu, Shi-Yu, Chen, Bei, Hua, Ping-Rang, Yu, Dao-Yin, Pun, Edwin Yue-Bun, Zhang, De-Long

Journal:

IEEE Photonics Journal

Year:

2012

Language:

english

File:

PDF, 447 KB

english, 2012

19

Relationship Between Refractive Index Change and Ti Concentration in Bulk Ti-Doped $\hbox{LiNbO}_{3}$ Crystal

De-Long Zhang,, Fang Han,, Ping-Rang Hua,, Liang Sun,, Dao-Yin Yu,, Pun, Edwin Yue-Bun

Journal:

IEEE Photonics Journal

Year:

2013

Language:

english

File:

PDF, 374 KB

english, 2013

20

Nonperiodic Oscillation With Wavelength of Mode Guided in a Special Ti-Diffused $\hbox{LiNbO}_{3}$ Waveguide Structure

Ping-Rang Hua,, Pun, Edwin Yue-Bun, Dao-Yin Yu,, De-Long Zhang,

Journal:

IEEE Photonics Journal

Year:

2013

Language:

english

File:

PDF, 585 KB

english, 2013

21

Refractive Index in Ti:LiNbO3 Fabricated by Ti Diffusion and Post-Li-Rich VTE

De-Long Zhang,, Jian Kang,, Cong-Xian Qiu,, Qun Zhang,, Wing-Han Wong,, Pun, Edwin Yue-Bun

Journal:

IEEE Photonics Technology Letters

Year:

2015

Language:

english

File:

PDF, 1.14 MB

english, 2015

22

Electro-Optic Property of Er 3+ -Doped LiNbO 3 Single Crystal for Integrated Optics

Du, Wan-Ying, Zhang, Zi-Bo, Ren, Shuai, Wong, Wing-Han, Yu, Dao-Yin, Pun, Edwin Yue-Bun, Zhang, De-Long

Journal:

IEEE Photonics Technology Letters

Year:

2016

Language:

english

File:

PDF, 545 KB

english, 2016

23

A biological nano-thermometer based on ratiometric luminescent Er 3+ /Yb 3+ -codoped NaGd(WO 4 ) 2 nanocrystals

Yuan, Ning, Liu, Da-Yu, Yu, Xiao-Chen, Sun, Hong-Xue, Ming, Cheng-Guo, Wong, Wing-Han, Song, Feng, Yu, Dao-Yin, Pun, Edwin Yue-Bun, Zhang, De-Long

Journal:

Materials Letters

Year:

2018

Language:

english

File:

PDF, 1.26 MB

english, 2018

24

Measurement of refractive index of powder by prism coupler

Chen, Feng, Xu, Qing, Zhang, Pei, Zhang, Zi-Bo, Wong, Wing-Han, Pun, Edwin Yue-Bun, Zhang, De-Long

Journal:

Review of Scientific Instruments

Year:

2019

Language:

english

File:

PDF, 1.12 MB

english, 2019

25

A novel hydrazide Schiff base self-assembled nanoprobe for selective detection of human serum albumin and its applications in renal disease surveillance

Wang, Zhi-Gang, Yan, Xiao-Jing, Liu, Hai-Bo, Zhang, De-Long, Liu, Wei, Xie, Cheng-Zhi, Li, Qing-Zhong, Xu, Jing-Yuan

Journal:

Journal of Materials Chemistry B

Year:

2020

File:

PDF, 6.40 MB

2020

26

Long period grating in/on planar and channel waveguides: A theory description

De-Long Zhang, Yun Zhang, Yu-Ming Cui, Cai-He Chen, E.Y.B. Pun

Journal:

Optics & Laser Technology

Year:

2007

Language:

english

File:

PDF, 311 KB

english, 2007

27

OH− absorption in off-congruent LiNbO3 crystals prepared by Li-poor vapor transport equilibration

De-Long Zhang, Ping-Rang Hua, Edwin Yue-Bun Pun

Journal:

Optical Materials

Year:

2009

Language:

english

File:

PDF, 488 KB

english, 2009

28

Emission characteristics, crystalline phase and composition of vapor-transport-equilibrated Er:LiNbO3 crystal codoped with 6 mol% MgO

De-Long Zhang, Bei Chen, Hong-Li Liu, Yu-Ming Cui, E.Y.B. Pun

Journal:

Applied Surface Science

Year:

2009

Language:

english

File:

PDF, 733 KB

english, 2009

29

Absorption and emission characteristics of Er3NbO7 phosphor: A comparison with ErNbO4 phosphor and Er:LiNbO3 single crystal

De-Long Zhang, Ping-Rang Hua, Yu-Ming Cui, Cai-He Chen, E.Y.B. Pun

Journal:

Journal of Luminescence

Year:

2007

Language:

english

File:

PDF, 335 KB

english, 2007

30

Emission characteristics of Er3+ in vapor-transport-equilibrated Er/Zn-codoped LiNbO3 crystals

De-Long Zhang, Ping-Rang Hua, E.Y.B. Pun, Liang Sun, Yu-Heng Xu

Journal:

Journal of Luminescence

Year:

2008

Language:

english

File:

PDF, 696 KB

english, 2008

31

Vapor transport equilibration-induced formation of micron-sized ErNbO4 precipitates in Zn/Er-codoped LiNbO3 crystals

De-Long Zhang, Ping-Rang Hua, Liang Sun, Yu-Heng Xu, E.Y.B. Pun

Journal:

Materials Science and Engineering: C

Year:

2008

Language:

english

File:

PDF, 1.25 MB

english, 2008

32

Correct determination of net gain in Er-doped optical waveguide amplifier from pump-on/off measurement

De-Long Zhang, Ping-Rang Hua, E.Y.B. Pun

Journal:

Optics Communications

Year:

2007

Language:

english

File:

PDF, 134 KB

english, 2007

33

Optical absorption characteristics in thermally reduced Er:LiNbO3 crystals

De-Long Zhang, Rui Ma, E.Y.B. Pun

Journal:

Optical Materials

Year:

2006

Language:

english

File:

PDF, 359 KB

english, 2006

34

Numerical study of dust-ion-acoustic solitary waves in an inhomogeneous plasma

Yu Zhang, Wei-Hong Yang, J.X. Ma, De-Long Xiao, You-Jun Hu

Journal:

Planetary and Space Science

Year:

2008

Language:

english

File:

PDF, 511 KB

english, 2008

35

Raman scattering study on formation of ErNbO4 powder

De-Long Zhang, Dun-Chun Wang, Yu-Fang Wang, E. Y. B. Pun

Journal:

physica status solidi (a)

Year:

2004

Language:

english

File:

PDF, 166 KB

english, 2004

36

Influence of vapor transport equilibration on spectroscopic parameters of Er3+ in LiNbO3 crystals

De-Long Zhang, Dun-Chun Wang, E. Y. B. Pun

Journal:

physica status solidi (a)

Year:

2005

Language:

english

File:

PDF, 189 KB

english, 2005

37

Microscope Raman scattering and X-ray diffraction study of near-stoichiometric Ti:LiNbO3 waveguides

De-Long Zhang, G. G. Siu, E. Y. B. Pun

Journal:

physica status solidi (a)

Year:

2005

Language:

english

File:

PDF, 310 KB

english, 2005

38

Influence of post-grown Li-rich and Li-poor vapor transport equilibration on composition, OH−absorption and

De-Long Zhang, Zhen Wang, Ping-Rang Hua, Edwin Yue-Bun Pun

Journal:

Applied Physics A: Materials Science & Processing

Year:

2010

Language:

english

File:

PDF, 683 KB

english, 2010

39

X-ray diffraction, optical absorption and emission studies on Er3+- and Er3+/Yb3+-doped Li3NbO4powder

De-Long Zhang, Jia Kang, E. Y. B. Pun

Journal:

Journal of Materials Science

Year:

2007

Language:

english

File:

PDF, 700 KB

english, 2007

40

SEM characterization of micron-sized ErNbO4 precipitates induced in heavily-doped Er:LiNbO3 crystal by vapor transport equilibration

De-Long Zhang, W.H. Wong, E.Y.B. Pun

Journal:

Journal of Crystal Growth

Year:

2004

Language:

english

File:

PDF, 649 KB

english, 2004

41

Absorption and emission of ErNbO4 powder

De-Long Zhang, Yu-Fang Wang, E.Y.B Pun, Yi-Zhong Yu, Cai-He Chen, Jian-Quan Yao

Journal:

Optical Materials

Year:

2004

Language:

english

File:

PDF, 483 KB

english, 2004

42

X-Ray, Micro-Raman, Optical Absorption/Emission Studies of ErNbO4 Grown by Vapor Transport Equilibration

De-Long Zhang, Ping-Rang Hua, Edwin Yue-Bun Pun, Guei-Gu Siu

Journal:

Journal of the American Ceramic Society

Year:

2007

Language:

english

File:

PDF, 474 KB

english, 2007

43

Locally Er-Doped Near-Stoichiometric LiNbO3 Crystals Prepared by Standard Er Diffusion and Post-VTE Treatment

De-Long Zhang, Yi-Peng Wang, Ping-Rang Hua, Qi-Shen Jia, Hong-Li Liu, Yu-Ming Cui, Edwin Yue-Bun Pun

Journal:

Journal of the American Ceramic Society

Year:

2009

Language:

english

File:

PDF, 826 KB

english, 2009

44

Li-Deficient, Off-Congruent MgO:LiNbO3 Crystals Prepared by Postgrown Li-Poor Vapor Transport Equilibration for Integrated Optics

De-Long Zhang, Ping-Rang Hua, Xiao-Xi Liu, Edwin Yue-Bun Pun

Journal:

Journal of the American Ceramic Society

Year:

2010

Language:

english

File:

PDF, 435 KB

english, 2010

45

Locally Er-Doped High-Solubility LiNbO3 Crystal Prepared by Li-Poor Vapor Transport Equilibration and Er Codiffusion

De-Long Zhang, Bei Chen, Edwin Yue-Bun Pun

Journal:

Journal of the American Ceramic Society

Year:

2010

Language:

english

File:

PDF, 213 KB

english, 2010

46

Judd–Ofelt Spectroscopic Study of Er:In:LiNbO3 Crystals For Integrated Optics

De-Long Zhang, Li Qi, Ping-Rang Hua, Edwin Yue-Bun Pun

Journal:

Journal of the American Ceramic Society

Year:

2011

Language:

english

File:

PDF, 245 KB

english, 2011

47

Concentration Determination of Er3+ in LiNbO3 Crystal by Absorption Spectroscopy

De-Long Zhang, Li-Rong Xu, Ping-Rang Hua, Dao-Yin Yu, Edwin Yue-Bun Pun

Journal:

Journal of the American Ceramic Society

Year:

2011

Language:

english

File:

PDF, 155 KB

english, 2011

48

Stoichiometry Dependence of Li+ Diffusivity in LiNbO3 Crystal in Off-Congruent, Li-Deficient Regime

Bei Chen, Ping-Rang Hua, De-Long Zhang, Edwin Yue-Bun Pun

Journal:

Journal of the American Ceramic Society

Year:

2012

Language:

english

File:

PDF, 224 KB

english, 2012

49

Er3+ Diffusion into MgO (5 mol%)-Doped LiNbO3 Crystal Under Li-Poor Atmosphere

De-Long Zhang, Shi-Yu Xu, Ping-Rang Hua, Dao-Yin Yu, Edwin Yue-Bun Pun

Journal:

Journal of the American Ceramic Society

Year:

2012

Language:

english

File:

PDF, 310 KB

english, 2012

50

Li-Rich/Li-Poor Vapor Transport Equilibration Time Dependence of Surface Composition of Congruent LiNbO3 Crystal

Zhen Wang, Ping-Rang Hua, Bei Chen, Dao-Yin Yu, Edwin Yue-Bun Pun, De-Long Zhang

Journal:

Journal of the American Ceramic Society

Year:

2012

Language:

english

File:

PDF, 223 KB

english, 2012