Observation of an optical-modulation effect on second harmonic generation in C60 thin films

X. K. Wang; T. G. Zhang; P. M. Lundquist; W. P. Lin; Z. Y. Xu; G. K. Wong; J. B. Kettersonb; R. P.H. Chang

doi:10.1016/0040-6090(94)05708-7

Observation of an optical-modulation effect on second harmonic generation in C₆₀ thin films

X. K. Wang, T. G. Zhang, P. M. Lundquist, W. P. Lin, Z. Y. Xu, G. K. Wong, J. B. Kettersonb, R. P.H. Chang^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

We report optical modulation effects on second harmonic generation (SHG) in C₆₀ films. It was observed that a large second harmonic response of C₆₀ films (in a corona poling field of 5.5 kV at a nominal temperature of 140 °C) was almost completely suppressed when the film was illuminated with a second visible-light source (pulsed or steady state). The magnitude of the SHG suppression was measured as a function of the wavelength and intensity of the second source. By scanning the time interval between a "suppression" pulse and the SHG generation pulse we found that the lead time required for the suppression effect is about 250 ps.

Original language	English (US)
Pages (from-to)	244-247
Number of pages	4
Journal	Thin Solid Films
Volume	257
Issue number	2
DOIs	https://doi.org/10.1016/0040-6090(94)05708-7
State	Published - Mar 1 1995

Keywords

Carbon
Deposition process
Fullerenes
Nanostructures
Optical properties

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Surfaces and Interfaces
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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title = "Observation of an optical-modulation effect on second harmonic generation in C60 thin films",

abstract = "We report optical modulation effects on second harmonic generation (SHG) in C60 films. It was observed that a large second harmonic response of C60 films (in a corona poling field of 5.5 kV at a nominal temperature of 140 °C) was almost completely suppressed when the film was illuminated with a second visible-light source (pulsed or steady state). The magnitude of the SHG suppression was measured as a function of the wavelength and intensity of the second source. By scanning the time interval between a {"}suppression{"} pulse and the SHG generation pulse we found that the lead time required for the suppression effect is about 250 ps.",

keywords = "Carbon, Deposition process, Fullerenes, Nanostructures, Optical properties",

author = "Wang, {X. K.} and Zhang, {T. G.} and Lundquist, {P. M.} and Lin, {W. P.} and Xu, {Z. Y.} and Wong, {G. K.} and Kettersonb, {J. B.} and Chang, {R. P.H.}",

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T1 - Observation of an optical-modulation effect on second harmonic generation in C60 thin films

AU - Wang, X. K.

AU - Zhang, T. G.

AU - Lundquist, P. M.

AU - Lin, W. P.

AU - Xu, Z. Y.

AU - Wong, G. K.

AU - Kettersonb, J. B.

AU - Chang, R. P.H.

PY - 1995/3/1

Y1 - 1995/3/1

N2 - We report optical modulation effects on second harmonic generation (SHG) in C60 films. It was observed that a large second harmonic response of C60 films (in a corona poling field of 5.5 kV at a nominal temperature of 140 °C) was almost completely suppressed when the film was illuminated with a second visible-light source (pulsed or steady state). The magnitude of the SHG suppression was measured as a function of the wavelength and intensity of the second source. By scanning the time interval between a "suppression" pulse and the SHG generation pulse we found that the lead time required for the suppression effect is about 250 ps.

AB - We report optical modulation effects on second harmonic generation (SHG) in C60 films. It was observed that a large second harmonic response of C60 films (in a corona poling field of 5.5 kV at a nominal temperature of 140 °C) was almost completely suppressed when the film was illuminated with a second visible-light source (pulsed or steady state). The magnitude of the SHG suppression was measured as a function of the wavelength and intensity of the second source. By scanning the time interval between a "suppression" pulse and the SHG generation pulse we found that the lead time required for the suppression effect is about 250 ps.

KW - Carbon

KW - Deposition process

KW - Fullerenes

KW - Nanostructures

KW - Optical properties

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