Two-photon assisted excited state absorption in multiferroic YCrO 3 nanoparticles

Shiji Krishnan; C. S. Suchand Sandeep; Reji Philip; Nandakumar Kalarikkal

doi:10.1016/j.cplett.2012.01.047

Two-photon assisted excited state absorption in multiferroic YCrO ₃ nanoparticles

Shiji Krishnan
, C. S. Suchand Sandeep
, Reji Philip
, Nandakumar Kalarikkal^*

^*Corresponding author for this work

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

38 Citations (Scopus)

Abstract

We report a novel functionality for the ferroelectric-antiferromagnet YCrO ₃ powder of optical limiting upon illumination by nanosecond laser pulses at 532 nm. The optical limiting properties are investigated using the open aperture z-scan technique. The obtained nonlinearity fits to a three-photon like absorption mechanism. It is proposed that this nonlinearity is caused by two-photon absorption, followed by excited state absorption. Two different sized samples were investigated and the nonlinearity is found to be size dependent.

Original language	English
Pages (from-to)	59-63
Number of pages	5
Journal	Chemical Physics Letters
Volume	529
DOIs	https://doi.org/10.1016/j.cplett.2012.01.047
Publication status	Published - 09-03-2012

All Science Journal Classification (ASJC) codes

General Physics and Astronomy
Physical and Theoretical Chemistry

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10.1016/j.cplett.2012.01.047

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abstract = "We report a novel functionality for the ferroelectric-antiferromagnet YCrO 3 powder of optical limiting upon illumination by nanosecond laser pulses at 532 nm. The optical limiting properties are investigated using the open aperture z-scan technique. The obtained nonlinearity fits to a three-photon like absorption mechanism. It is proposed that this nonlinearity is caused by two-photon absorption, followed by excited state absorption. Two different sized samples were investigated and the nonlinearity is found to be size dependent.",

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AU - Krishnan, Shiji

AU - Suchand Sandeep, C. S.

AU - Philip, Reji

AU - Kalarikkal, Nandakumar

PY - 2012/3/9

Y1 - 2012/3/9

N2 - We report a novel functionality for the ferroelectric-antiferromagnet YCrO 3 powder of optical limiting upon illumination by nanosecond laser pulses at 532 nm. The optical limiting properties are investigated using the open aperture z-scan technique. The obtained nonlinearity fits to a three-photon like absorption mechanism. It is proposed that this nonlinearity is caused by two-photon absorption, followed by excited state absorption. Two different sized samples were investigated and the nonlinearity is found to be size dependent.

AB - We report a novel functionality for the ferroelectric-antiferromagnet YCrO 3 powder of optical limiting upon illumination by nanosecond laser pulses at 532 nm. The optical limiting properties are investigated using the open aperture z-scan technique. The obtained nonlinearity fits to a three-photon like absorption mechanism. It is proposed that this nonlinearity is caused by two-photon absorption, followed by excited state absorption. Two different sized samples were investigated and the nonlinearity is found to be size dependent.

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VL - 529

SP - 59

EP - 63

JO - Chemical Physics Letters

JF - Chemical Physics Letters

ER -

Two-photon assisted excited state absorption in multiferroic YCrO ₃ nanoparticles

Abstract

All Science Journal Classification (ASJC) codes

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