Nonlinear optical absorption and reflection of single wall carbon nanotube thin films by Z -scan technique

Daisuke Shimamoto; Takaaki Sakurai; Minoru Itoh; Yoong Ahm Kim; Takuya Hayashi; Morinobu Endo; Mauricio Terrones

doi:10.1063/1.2884695

Nonlinear optical absorption and reflection of single wall carbon nanotube thin films by Z -scan technique

Daisuke Shimamoto, Takaaki Sakurai, Minoru Itoh, Yoong Ahm Kim, Takuya Hayashi, Morinobu Endo, Mauricio Terrones

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Abstract

Both the nonlinear optical transmission and reflection characteristics of HiPco-based single wall carbon nanotube (SWNT) thin films are studied by using the Z -scan method with femtosecond laser pulses at a wavelength of 1.46 μm. The nonlinear absorption coefficient and nonlinear refractive index are obtained as (5.4±2.0) × 10-7 cmW and (1.1±0.5) × 10-11 cm2 W, respectively, which are considerably greater than those of other optical materials. This large optical nonlinearity is ascribed to (a) homogeneously deposited thin nanotube film on optically transparent barium fluoride, (b) just-resonant excitation condition, and (c) intrinsic saturable absorption feature of SWNTs.

Original language	English (US)
Article number	081902
Journal	Applied Physics Letters
Volume	92
Issue number	8
DOIs	https://doi.org/10.1063/1.2884695
State	Published - 2008

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.2884695

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title = "Nonlinear optical absorption and reflection of single wall carbon nanotube thin films by Z -scan technique",

abstract = "Both the nonlinear optical transmission and reflection characteristics of HiPco-based single wall carbon nanotube (SWNT) thin films are studied by using the Z -scan method with femtosecond laser pulses at a wavelength of 1.46 μm. The nonlinear absorption coefficient and nonlinear refractive index are obtained as (5.4±2.0) × 10-7 cmW and (1.1±0.5) × 10-11 cm2 W, respectively, which are considerably greater than those of other optical materials. This large optical nonlinearity is ascribed to (a) homogeneously deposited thin nanotube film on optically transparent barium fluoride, (b) just-resonant excitation condition, and (c) intrinsic saturable absorption feature of SWNTs.",

author = "Daisuke Shimamoto and Takaaki Sakurai and Minoru Itoh and Kim, {Yoong Ahm} and Takuya Hayashi and Morinobu Endo and Mauricio Terrones",

note = "Funding Information: This work was supported by the CLUSTER (the second stage) of the Ministry of Education, Culture, Sports, Science, and Technology of Japan. One of the authors (M.T.) is deeply grateful for the CONACYT-M{\'e}xico Grants: 56787 (Laboratory for Nanoscience and Nanotechnology Research-LINAN) and 58899 (Inter-American Collaboration). We are also indebted to Dr. F. Kobayashi for his technical assistance in the experiments and to the Gene Research Center, Shinshu University, for providing us its facilities.",

year = "2008",

doi = "10.1063/1.2884695",

language = "English (US)",

volume = "92",

journal = "Applied Physics Letters",

issn = "0003-6951",

publisher = "American Institute of Physics",

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T1 - Nonlinear optical absorption and reflection of single wall carbon nanotube thin films by Z -scan technique

AU - Shimamoto, Daisuke

AU - Sakurai, Takaaki

AU - Itoh, Minoru

AU - Kim, Yoong Ahm

AU - Hayashi, Takuya

AU - Endo, Morinobu

AU - Terrones, Mauricio

N1 - Funding Information: This work was supported by the CLUSTER (the second stage) of the Ministry of Education, Culture, Sports, Science, and Technology of Japan. One of the authors (M.T.) is deeply grateful for the CONACYT-México Grants: 56787 (Laboratory for Nanoscience and Nanotechnology Research-LINAN) and 58899 (Inter-American Collaboration). We are also indebted to Dr. F. Kobayashi for his technical assistance in the experiments and to the Gene Research Center, Shinshu University, for providing us its facilities.

PY - 2008

Y1 - 2008

N2 - Both the nonlinear optical transmission and reflection characteristics of HiPco-based single wall carbon nanotube (SWNT) thin films are studied by using the Z -scan method with femtosecond laser pulses at a wavelength of 1.46 μm. The nonlinear absorption coefficient and nonlinear refractive index are obtained as (5.4±2.0) × 10-7 cmW and (1.1±0.5) × 10-11 cm2 W, respectively, which are considerably greater than those of other optical materials. This large optical nonlinearity is ascribed to (a) homogeneously deposited thin nanotube film on optically transparent barium fluoride, (b) just-resonant excitation condition, and (c) intrinsic saturable absorption feature of SWNTs.

AB - Both the nonlinear optical transmission and reflection characteristics of HiPco-based single wall carbon nanotube (SWNT) thin films are studied by using the Z -scan method with femtosecond laser pulses at a wavelength of 1.46 μm. The nonlinear absorption coefficient and nonlinear refractive index are obtained as (5.4±2.0) × 10-7 cmW and (1.1±0.5) × 10-11 cm2 W, respectively, which are considerably greater than those of other optical materials. This large optical nonlinearity is ascribed to (a) homogeneously deposited thin nanotube film on optically transparent barium fluoride, (b) just-resonant excitation condition, and (c) intrinsic saturable absorption feature of SWNTs.

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ER -

Nonlinear optical absorption and reflection of single wall carbon nanotube thin films by Z -scan technique

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