Optical limiting properties of CdS nanowires

V. Sai Muthukumar; J. Reppert; C. S.Suchand Sandeep; S. Siva Rama Krishnan; R. Podila; N. Kuthirummal; S. Siva Sankara Sai; K. Venkataramaniah; R. Philip; A. M. Rao

doi:10.1016/j.optcom.2010.06.020

Optical limiting properties of CdS nanowires

V. Sai Muthukumar, J. Reppert, C. S.Suchand Sandeep, S. Siva Rama Krishnan, R. Podila, N. Kuthirummal, S. Siva Sankara Sai, K. Venkataramaniah, R. Philip, A. M. Rao

Department of Physics, Manipal Institute of Technology, Manipal

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

32 Citations (Scopus)

Abstract

Intensity-dependent nonlinear optical transmission studies of cadmium sulfide (CdS) nanowires (∼ 50-100 nm diameter) suspended in dimethylformamide have been carried out in the visible region using the Z-scan technique with 7 ns pulses from the second harmonic of an Nd:YAG laser. The optical limiting threshold of CdS nanowires suspension was determined to be 1.3 J cm^{- 2}, with normalized transmittance of 0.47, which is relatively lower when compared with those of many popular metal nanowire suspensions reported in the literature. Based on an effective three-photon absorption model, nonlinear absorption and nonlinear scattering were identified as the dominant processes for the measured reduced transmittance.

Original language	English
Pages (from-to)	4104-4107
Number of pages	4
Journal	Optics Communications
Volume	283
Issue number	20
DOIs	https://doi.org/10.1016/j.optcom.2010.06.020
Publication status	Published - 15-10-2010

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Physical and Theoretical Chemistry
Electrical and Electronic Engineering

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10.1016/j.optcom.2010.06.020

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title = "Optical limiting properties of CdS nanowires",

abstract = "Intensity-dependent nonlinear optical transmission studies of cadmium sulfide (CdS) nanowires (∼ 50-100 nm diameter) suspended in dimethylformamide have been carried out in the visible region using the Z-scan technique with 7 ns pulses from the second harmonic of an Nd:YAG laser. The optical limiting threshold of CdS nanowires suspension was determined to be 1.3 J cm- 2, with normalized transmittance of 0.47, which is relatively lower when compared with those of many popular metal nanowire suspensions reported in the literature. Based on an effective three-photon absorption model, nonlinear absorption and nonlinear scattering were identified as the dominant processes for the measured reduced transmittance.",

author = "Muthukumar, \{V. Sai\} and J. Reppert and Sandeep, \{C. S.Suchand\} and Krishnan, \{S. Siva Rama\} and R. Podila and N. Kuthirummal and Sai, \{S. Siva Sankara\} and K. Venkataramaniah and R. Philip and Rao, \{A. M.\}",

year = "2010",

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doi = "10.1016/j.optcom.2010.06.020",

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T1 - Optical limiting properties of CdS nanowires

AU - Muthukumar, V. Sai

AU - Reppert, J.

AU - Sandeep, C. S.Suchand

AU - Krishnan, S. Siva Rama

AU - Podila, R.

AU - Kuthirummal, N.

AU - Sai, S. Siva Sankara

AU - Venkataramaniah, K.

AU - Philip, R.

AU - Rao, A. M.

PY - 2010/10/15

Y1 - 2010/10/15

N2 - Intensity-dependent nonlinear optical transmission studies of cadmium sulfide (CdS) nanowires (∼ 50-100 nm diameter) suspended in dimethylformamide have been carried out in the visible region using the Z-scan technique with 7 ns pulses from the second harmonic of an Nd:YAG laser. The optical limiting threshold of CdS nanowires suspension was determined to be 1.3 J cm- 2, with normalized transmittance of 0.47, which is relatively lower when compared with those of many popular metal nanowire suspensions reported in the literature. Based on an effective three-photon absorption model, nonlinear absorption and nonlinear scattering were identified as the dominant processes for the measured reduced transmittance.

AB - Intensity-dependent nonlinear optical transmission studies of cadmium sulfide (CdS) nanowires (∼ 50-100 nm diameter) suspended in dimethylformamide have been carried out in the visible region using the Z-scan technique with 7 ns pulses from the second harmonic of an Nd:YAG laser. The optical limiting threshold of CdS nanowires suspension was determined to be 1.3 J cm- 2, with normalized transmittance of 0.47, which is relatively lower when compared with those of many popular metal nanowire suspensions reported in the literature. Based on an effective three-photon absorption model, nonlinear absorption and nonlinear scattering were identified as the dominant processes for the measured reduced transmittance.

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Optical limiting properties of CdS nanowires

Abstract

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