共 24 条
[1]
Tri-core photonic crystal fiber based refractive index dual sensor for salinity and temperature detection
[J].
Amiri, Iraj S.
;
Paul, Bikash Kumar
;
Ahmed, Kawsar
;
Aly, Arafa H.
;
Zakaria, Rozalina
;
Yupapin, Preecha
;
Vigneswaran, Dhasarathan
.
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS,
2019, 61 (03)
:847-852

Amiri, Iraj S.
论文数: 0 引用数: 0
h-index: 0
机构:
Ton Duc Thang Univ, Adv Inst Mat Sci, Computat Opt Res Grp, Ho Chi Minh City, Vietnam
Ton Duc Thang Univ, Fac Sci Appl, Ho Chi Minh City, Vietnam Ton Duc Thang Univ, Adv Inst Mat Sci, Computat Opt Res Grp, Ho Chi Minh City, Vietnam

Paul, Bikash Kumar
论文数: 0 引用数: 0
h-index: 0
机构:
MBSTU, Dept Informat & Commun Technol ICT, Santosh, Tangail, Bangladesh
Grp Biophotomatix, Tangail, Bangladesh
Daffodil Int Univ, Dept Software Engn SWE, Dhaka, Bangladesh Ton Duc Thang Univ, Adv Inst Mat Sci, Computat Opt Res Grp, Ho Chi Minh City, Vietnam

Ahmed, Kawsar
论文数: 0 引用数: 0
h-index: 0
机构:
MBSTU, Dept Informat & Commun Technol ICT, Santosh, Tangail, Bangladesh
Grp Biophotomatix, Tangail, Bangladesh Ton Duc Thang Univ, Adv Inst Mat Sci, Computat Opt Res Grp, Ho Chi Minh City, Vietnam

Aly, Arafa H.
论文数: 0 引用数: 0
h-index: 0
机构:
Beni Suef Univ, Dept Phys, TH PPM Grp, Fac Sci, Bani Suwayf, Egypt Ton Duc Thang Univ, Adv Inst Mat Sci, Computat Opt Res Grp, Ho Chi Minh City, Vietnam

Zakaria, Rozalina
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Malaya, Dept Phys, Photon Res Ctr, Fac Sci, Kuala Lumpur, Malaysia Ton Duc Thang Univ, Adv Inst Mat Sci, Computat Opt Res Grp, Ho Chi Minh City, Vietnam

论文数: 引用数:
h-index:
机构:

Vigneswaran, Dhasarathan
论文数: 0 引用数: 0
h-index: 0
机构:
Sri Krishna Coll Technol, Dept Elect & Commun Engn, Coimbatore, Tamil Nadu, India Ton Duc Thang Univ, Adv Inst Mat Sci, Computat Opt Res Grp, Ho Chi Minh City, Vietnam
[2]
[Anonymous], 2010, THESIS
[3]
Current sensing using circularly birefringent twisted solid-core photonic crystal fiber
[J].
Beravat, R.
;
Wong, G. K. L.
;
Xi, X. M.
;
Frosz, M. H.
;
Russell, P. St. J.
.
OPTICS LETTERS,
2016, 41 (07)
:1672-1675

Beravat, R.
论文数: 0 引用数: 0
h-index: 0
机构:
Max Planck Inst Sci Light, Guenther Scharowsky Str 1, D-91058 Erlangen, Germany Max Planck Inst Sci Light, Guenther Scharowsky Str 1, D-91058 Erlangen, Germany

Wong, G. K. L.
论文数: 0 引用数: 0
h-index: 0
机构:
Max Planck Inst Sci Light, Guenther Scharowsky Str 1, D-91058 Erlangen, Germany Max Planck Inst Sci Light, Guenther Scharowsky Str 1, D-91058 Erlangen, Germany

Xi, X. M.
论文数: 0 引用数: 0
h-index: 0
机构:
Max Planck Inst Sci Light, Guenther Scharowsky Str 1, D-91058 Erlangen, Germany Max Planck Inst Sci Light, Guenther Scharowsky Str 1, D-91058 Erlangen, Germany

Frosz, M. H.
论文数: 0 引用数: 0
h-index: 0
机构:
Max Planck Inst Sci Light, Guenther Scharowsky Str 1, D-91058 Erlangen, Germany Max Planck Inst Sci Light, Guenther Scharowsky Str 1, D-91058 Erlangen, Germany

Russell, P. St. J.
论文数: 0 引用数: 0
h-index: 0
机构:
Max Planck Inst Sci Light, Guenther Scharowsky Str 1, D-91058 Erlangen, Germany Max Planck Inst Sci Light, Guenther Scharowsky Str 1, D-91058 Erlangen, Germany
[4]
Endlessly single-mode photonic crystal fiber
[J].
Birks, TA
;
Knight, JC
;
Russell, PS
.
OPTICS LETTERS,
1997, 22 (13)
:961-963

Birks, TA
论文数: 0 引用数: 0
h-index: 0
机构: Optoelectronics Group, School of Physics, University of Bath, Bath, BA2 7AY, Claverton Down

Knight, JC
论文数: 0 引用数: 0
h-index: 0
机构: Optoelectronics Group, School of Physics, University of Bath, Bath, BA2 7AY, Claverton Down

Russell, PS
论文数: 0 引用数: 0
h-index: 0
机构: Optoelectronics Group, School of Physics, University of Bath, Bath, BA2 7AY, Claverton Down
[5]
Twist-direction-dependent orbital angular momentum generator based on inflation-assisted helical photonic crystal fiber
[J].
Fu, Cailing
;
Wang, Yiping
;
Bai, Zhiyong
;
Liu, Shen
;
Zhang, Yan
;
Li, Ziliang
.
OPTICS LETTERS,
2019, 44 (02)
:459-462

Fu, Cailing
论文数: 0 引用数: 0
h-index: 0
机构:
Shenzhen Univ, Guangdong & Hong Kong Joint Res Ctr Opt Fibre Sen, Shenzhen 518060, Peoples R China
Shenzhen Univ, Coll Optoelect Engn, China Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen 518060, Peoples R China Shenzhen Univ, Guangdong & Hong Kong Joint Res Ctr Opt Fibre Sen, Shenzhen 518060, Peoples R China

Wang, Yiping
论文数: 0 引用数: 0
h-index: 0
机构:
Shenzhen Univ, Guangdong & Hong Kong Joint Res Ctr Opt Fibre Sen, Shenzhen 518060, Peoples R China
Shenzhen Univ, Coll Optoelect Engn, China Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen 518060, Peoples R China Shenzhen Univ, Guangdong & Hong Kong Joint Res Ctr Opt Fibre Sen, Shenzhen 518060, Peoples R China

Bai, Zhiyong
论文数: 0 引用数: 0
h-index: 0
机构:
Shenzhen Univ, Guangdong & Hong Kong Joint Res Ctr Opt Fibre Sen, Shenzhen 518060, Peoples R China
Shenzhen Univ, Coll Optoelect Engn, China Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen 518060, Peoples R China Shenzhen Univ, Guangdong & Hong Kong Joint Res Ctr Opt Fibre Sen, Shenzhen 518060, Peoples R China

Liu, Shen
论文数: 0 引用数: 0
h-index: 0
机构:
Shenzhen Univ, Guangdong & Hong Kong Joint Res Ctr Opt Fibre Sen, Shenzhen 518060, Peoples R China
Shenzhen Univ, Coll Optoelect Engn, China Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen 518060, Peoples R China Shenzhen Univ, Guangdong & Hong Kong Joint Res Ctr Opt Fibre Sen, Shenzhen 518060, Peoples R China

Zhang, Yan
论文数: 0 引用数: 0
h-index: 0
机构:
Shenzhen Univ, Guangdong & Hong Kong Joint Res Ctr Opt Fibre Sen, Shenzhen 518060, Peoples R China
Shenzhen Univ, Coll Optoelect Engn, China Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen 518060, Peoples R China Shenzhen Univ, Guangdong & Hong Kong Joint Res Ctr Opt Fibre Sen, Shenzhen 518060, Peoples R China

Li, Ziliang
论文数: 0 引用数: 0
h-index: 0
机构:
Shenzhen Univ, Guangdong & Hong Kong Joint Res Ctr Opt Fibre Sen, Shenzhen 518060, Peoples R China
Shenzhen Univ, Coll Optoelect Engn, China Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen 518060, Peoples R China Shenzhen Univ, Guangdong & Hong Kong Joint Res Ctr Opt Fibre Sen, Shenzhen 518060, Peoples R China
[6]
High-order orbital angular momentum mode generator based on twisted photonic crystal fiber
[J].
Fu, Cailing
;
Liu, Shen
;
Wang, Ying
;
Bai, Zhiyong
;
He, Jun
;
Liao, Changrui
;
Zhang, Yan
;
Zhang, Feng
;
Yu, Bin
;
Gao, Shecheng
;
Li, Zhaohui
;
Wang, Yiping
.
OPTICS LETTERS,
2018, 43 (08)
:1786-1789

Fu, Cailing
论文数: 0 引用数: 0
h-index: 0
机构:
Shenzhen Univ, Coll Optoelect Engn, Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen 518060, Peoples R China Shenzhen Univ, Coll Optoelect Engn, Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen 518060, Peoples R China

Liu, Shen
论文数: 0 引用数: 0
h-index: 0
机构:
Shenzhen Univ, Coll Optoelect Engn, Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen 518060, Peoples R China Shenzhen Univ, Coll Optoelect Engn, Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen 518060, Peoples R China

Wang, Ying
论文数: 0 引用数: 0
h-index: 0
机构:
Shenzhen Univ, Coll Optoelect Engn, Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen 518060, Peoples R China Shenzhen Univ, Coll Optoelect Engn, Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen 518060, Peoples R China

Bai, Zhiyong
论文数: 0 引用数: 0
h-index: 0
机构:
Shenzhen Univ, Coll Optoelect Engn, Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen 518060, Peoples R China Shenzhen Univ, Coll Optoelect Engn, Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen 518060, Peoples R China

He, Jun
论文数: 0 引用数: 0
h-index: 0
机构:
Shenzhen Univ, Coll Optoelect Engn, Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen 518060, Peoples R China Shenzhen Univ, Coll Optoelect Engn, Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen 518060, Peoples R China

Liao, Changrui
论文数: 0 引用数: 0
h-index: 0
机构:
Shenzhen Univ, Coll Optoelect Engn, Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen 518060, Peoples R China Shenzhen Univ, Coll Optoelect Engn, Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen 518060, Peoples R China

Zhang, Yan
论文数: 0 引用数: 0
h-index: 0
机构:
Shenzhen Univ, Coll Optoelect Engn, Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen 518060, Peoples R China Shenzhen Univ, Coll Optoelect Engn, Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen 518060, Peoples R China

Zhang, Feng
论文数: 0 引用数: 0
h-index: 0
机构:
Shenzhen Univ, Coll Optoelect Engn, Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen 518060, Peoples R China Shenzhen Univ, Coll Optoelect Engn, Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen 518060, Peoples R China

Yu, Bin
论文数: 0 引用数: 0
h-index: 0
机构:
Shenzhen Univ, Coll Optoelect Engn, Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen 518060, Peoples R China Shenzhen Univ, Coll Optoelect Engn, Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen 518060, Peoples R China

Gao, Shecheng
论文数: 0 引用数: 0
h-index: 0
机构:
Jinan Univ, China Dept Elect Engn, Guangzhou 510632, Guangdong, Peoples R China Shenzhen Univ, Coll Optoelect Engn, Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen 518060, Peoples R China

Li, Zhaohui
论文数: 0 引用数: 0
h-index: 0
机构:
Sun Yat Sen Univ, State Key Lab Optoelect Mat & Technol, Guangzhou 510275, Guangdong, Peoples R China
Sun Yat Sen Univ, Sch Elect & Informat Technol, Guangzhou 510275, Guangdong, Peoples R China Shenzhen Univ, Coll Optoelect Engn, Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen 518060, Peoples R China

Wang, Yiping
论文数: 0 引用数: 0
h-index: 0
机构:
Shenzhen Univ, Coll Optoelect Engn, Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen 518060, Peoples R China Shenzhen Univ, Coll Optoelect Engn, Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen 518060, Peoples R China
[7]
Orbital Angular Momentum Mode Converter Based on Helical Long Period Fiber Grating Inscribed by Hydrogen-Oxygen Flame
[J].
Fu, Cailing
;
Liu, Shen
;
Bai, Zhiyong
;
He, Jun
;
Liao, Changrui
;
Wang, Ying
;
Li, Ziliang
;
Zhang, Yan
;
Yang, Kaiming
;
Yu, Bin
;
Wang, Yiping
.
JOURNAL OF LIGHTWAVE TECHNOLOGY,
2018, 36 (09)
:1683-1688

Fu, Cailing
论文数: 0 引用数: 0
h-index: 0
机构:
Shenzhen Univ, Coll Optoelect Engn, Minist Educ & Guangdong Prov, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Peoples R China Shenzhen Univ, Coll Optoelect Engn, Minist Educ & Guangdong Prov, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Peoples R China

Liu, Shen
论文数: 0 引用数: 0
h-index: 0
机构:
Shenzhen Univ, Coll Optoelect Engn, Minist Educ & Guangdong Prov, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Peoples R China Shenzhen Univ, Coll Optoelect Engn, Minist Educ & Guangdong Prov, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Peoples R China

Bai, Zhiyong
论文数: 0 引用数: 0
h-index: 0
机构:
Shenzhen Univ, Coll Optoelect Engn, Minist Educ & Guangdong Prov, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Peoples R China Shenzhen Univ, Coll Optoelect Engn, Minist Educ & Guangdong Prov, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Peoples R China

He, Jun
论文数: 0 引用数: 0
h-index: 0
机构:
Shenzhen Univ, Coll Optoelect Engn, Minist Educ & Guangdong Prov, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Peoples R China Shenzhen Univ, Coll Optoelect Engn, Minist Educ & Guangdong Prov, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Peoples R China

Liao, Changrui
论文数: 0 引用数: 0
h-index: 0
机构:
Shenzhen Univ, Coll Optoelect Engn, Minist Educ & Guangdong Prov, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Peoples R China Shenzhen Univ, Coll Optoelect Engn, Minist Educ & Guangdong Prov, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Peoples R China

Wang, Ying
论文数: 0 引用数: 0
h-index: 0
机构:
Shenzhen Univ, Coll Optoelect Engn, Minist Educ & Guangdong Prov, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Peoples R China Shenzhen Univ, Coll Optoelect Engn, Minist Educ & Guangdong Prov, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Peoples R China

Li, Ziliang
论文数: 0 引用数: 0
h-index: 0
机构:
Shenzhen Univ, Coll Optoelect Engn, Minist Educ & Guangdong Prov, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Peoples R China Shenzhen Univ, Coll Optoelect Engn, Minist Educ & Guangdong Prov, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Peoples R China

Zhang, Yan
论文数: 0 引用数: 0
h-index: 0
机构:
Shenzhen Univ, Coll Optoelect Engn, Minist Educ & Guangdong Prov, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Peoples R China Shenzhen Univ, Coll Optoelect Engn, Minist Educ & Guangdong Prov, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Peoples R China

Yang, Kaiming
论文数: 0 引用数: 0
h-index: 0
机构:
Shenzhen Univ, Coll Optoelect Engn, Minist Educ & Guangdong Prov, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Peoples R China Shenzhen Univ, Coll Optoelect Engn, Minist Educ & Guangdong Prov, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Peoples R China

Yu, Bin
论文数: 0 引用数: 0
h-index: 0
机构:
Shenzhen Univ, Coll Optoelect Engn, Minist Educ & Guangdong Prov, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Peoples R China Shenzhen Univ, Coll Optoelect Engn, Minist Educ & Guangdong Prov, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Peoples R China

Wang, Yiping
论文数: 0 引用数: 0
h-index: 0
机构:
Shenzhen Univ, Coll Optoelect Engn, Minist Educ & Guangdong Prov, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Peoples R China Shenzhen Univ, Coll Optoelect Engn, Minist Educ & Guangdong Prov, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Peoples R China
[8]
Chiral fiber gratings
[J].
Kopp, VI
;
Churikov, VM
;
Singer, J
;
Chao, N
;
Neugroschl, D
;
Genack, AZ
.
SCIENCE,
2004, 305 (5680)
:74-75

Kopp, VI
论文数: 0 引用数: 0
h-index: 0
机构:
Chiral Photon Inc, Clifton, NJ 07012 USA Chiral Photon Inc, Clifton, NJ 07012 USA

Churikov, VM
论文数: 0 引用数: 0
h-index: 0
机构: Chiral Photon Inc, Clifton, NJ 07012 USA

Singer, J
论文数: 0 引用数: 0
h-index: 0
机构: Chiral Photon Inc, Clifton, NJ 07012 USA

Chao, N
论文数: 0 引用数: 0
h-index: 0
机构: Chiral Photon Inc, Clifton, NJ 07012 USA

Neugroschl, D
论文数: 0 引用数: 0
h-index: 0
机构: Chiral Photon Inc, Clifton, NJ 07012 USA

Genack, AZ
论文数: 0 引用数: 0
h-index: 0
机构: Chiral Photon Inc, Clifton, NJ 07012 USA
[9]
Few-period helically twisted all-solid photonic bandgap fibers
[J].
Li, Jie
;
Fan, Pengcheng
;
Sun, Li-Peng
;
Wu, Chuang
;
Guan, Bai-Ou
.
OPTICS LETTERS,
2018, 43 (04)
:655-658

Li, Jie
论文数: 0 引用数: 0
h-index: 0
机构:
Jinan Univ, Inst Photon Technol, Guangdong Prov Key Lab Opt Fiber Sensing & Commun, Guangzhou 510632, Guangdong, Peoples R China Jinan Univ, Inst Photon Technol, Guangdong Prov Key Lab Opt Fiber Sensing & Commun, Guangzhou 510632, Guangdong, Peoples R China

Fan, Pengcheng
论文数: 0 引用数: 0
h-index: 0
机构:
Jinan Univ, Inst Photon Technol, Guangdong Prov Key Lab Opt Fiber Sensing & Commun, Guangzhou 510632, Guangdong, Peoples R China Jinan Univ, Inst Photon Technol, Guangdong Prov Key Lab Opt Fiber Sensing & Commun, Guangzhou 510632, Guangdong, Peoples R China

Sun, Li-Peng
论文数: 0 引用数: 0
h-index: 0
机构:
Jinan Univ, Inst Photon Technol, Guangdong Prov Key Lab Opt Fiber Sensing & Commun, Guangzhou 510632, Guangdong, Peoples R China Jinan Univ, Inst Photon Technol, Guangdong Prov Key Lab Opt Fiber Sensing & Commun, Guangzhou 510632, Guangdong, Peoples R China

Wu, Chuang
论文数: 0 引用数: 0
h-index: 0
机构:
Jinan Univ, Inst Photon Technol, Guangdong Prov Key Lab Opt Fiber Sensing & Commun, Guangzhou 510632, Guangdong, Peoples R China Jinan Univ, Inst Photon Technol, Guangdong Prov Key Lab Opt Fiber Sensing & Commun, Guangzhou 510632, Guangdong, Peoples R China

Guan, Bai-Ou
论文数: 0 引用数: 0
h-index: 0
机构:
Jinan Univ, Inst Photon Technol, Guangdong Prov Key Lab Opt Fiber Sensing & Commun, Guangzhou 510632, Guangdong, Peoples R China Jinan Univ, Inst Photon Technol, Guangdong Prov Key Lab Opt Fiber Sensing & Commun, Guangzhou 510632, Guangdong, Peoples R China
[10]
Angular-momentum coupled optical waves in chirally-coupled-core fibers
[J].
Ma, Xiuquan
;
Liu, Chi-Hung
;
Chang, Guoqing
;
Galvanauskas, Almantas
.
OPTICS EXPRESS,
2011, 19 (27)
:26515-26528

Ma, Xiuquan
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Michigan, Ctr Ultrafast Opt Sci, Ann Arbor, MI 48109 USA Univ Michigan, Ctr Ultrafast Opt Sci, Ann Arbor, MI 48109 USA

Liu, Chi-Hung
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Michigan, Ctr Ultrafast Opt Sci, Ann Arbor, MI 48109 USA Univ Michigan, Ctr Ultrafast Opt Sci, Ann Arbor, MI 48109 USA

Chang, Guoqing
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Michigan, Ctr Ultrafast Opt Sci, Ann Arbor, MI 48109 USA Univ Michigan, Ctr Ultrafast Opt Sci, Ann Arbor, MI 48109 USA

Galvanauskas, Almantas
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Michigan, Ctr Ultrafast Opt Sci, Ann Arbor, MI 48109 USA Univ Michigan, Ctr Ultrafast Opt Sci, Ann Arbor, MI 48109 USA