Intracavity transient absorption effect on lasing of a dye-doped microspherical particle

Kenji Kamada; Keiji Sasaki; Hiroshi Masuhara

doi:10.1016/0009-2614(94)01095-1

Intracavity transient absorption effect on lasing of a dye-doped microspherical particle

Kenji Kamada^*, Keiji Sasaki, Hiroshi Masuhara

^*Corresponding author for this work

Department of Applied Chemistry

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

9 Scopus citations

Abstract

The effect of transient absorption on a lasing process occurring in a spherical particle was studied by use of a microspectroscopy system combined with a laser trapping technique. Stimulated emission of rhodamine B within a poly (methyl methacrylate) latex particle was greatly attenuated by transient absorption of 9,10-diphenylanthracene simultaneously doped in the particle. Compared with the absorption loss caused by a single path through the particle, the change in the lasing emission intensity was amplified by the optical resonance in a spherical microparticle by two orders of magnitude. The linearity of the emission intensity change with the intracavity transient absorption was also discussed. A new, sensitive method of transient absorption measurement based on the resonance effect is proposed for elucidating picosecond dynamics of a single microparticle.

Original language	English
Pages (from-to)	559-563
Number of pages	5
Journal	Chemical Physics Letters
Volume	229
Issue number	4-5
DOIs	https://doi.org/10.1016/0009-2614(94)01095-1
State	Published - 4 Nov 1994

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title = "Intracavity transient absorption effect on lasing of a dye-doped microspherical particle",

abstract = "The effect of transient absorption on a lasing process occurring in a spherical particle was studied by use of a microspectroscopy system combined with a laser trapping technique. Stimulated emission of rhodamine B within a poly (methyl methacrylate) latex particle was greatly attenuated by transient absorption of 9,10-diphenylanthracene simultaneously doped in the particle. Compared with the absorption loss caused by a single path through the particle, the change in the lasing emission intensity was amplified by the optical resonance in a spherical microparticle by two orders of magnitude. The linearity of the emission intensity change with the intracavity transient absorption was also discussed. A new, sensitive method of transient absorption measurement based on the resonance effect is proposed for elucidating picosecond dynamics of a single microparticle.",

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AU - Kamada, Kenji

AU - Sasaki, Keiji

AU - Masuhara, Hiroshi

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Y1 - 1994/11/4

N2 - The effect of transient absorption on a lasing process occurring in a spherical particle was studied by use of a microspectroscopy system combined with a laser trapping technique. Stimulated emission of rhodamine B within a poly (methyl methacrylate) latex particle was greatly attenuated by transient absorption of 9,10-diphenylanthracene simultaneously doped in the particle. Compared with the absorption loss caused by a single path through the particle, the change in the lasing emission intensity was amplified by the optical resonance in a spherical microparticle by two orders of magnitude. The linearity of the emission intensity change with the intracavity transient absorption was also discussed. A new, sensitive method of transient absorption measurement based on the resonance effect is proposed for elucidating picosecond dynamics of a single microparticle.

AB - The effect of transient absorption on a lasing process occurring in a spherical particle was studied by use of a microspectroscopy system combined with a laser trapping technique. Stimulated emission of rhodamine B within a poly (methyl methacrylate) latex particle was greatly attenuated by transient absorption of 9,10-diphenylanthracene simultaneously doped in the particle. Compared with the absorption loss caused by a single path through the particle, the change in the lasing emission intensity was amplified by the optical resonance in a spherical microparticle by two orders of magnitude. The linearity of the emission intensity change with the intracavity transient absorption was also discussed. A new, sensitive method of transient absorption measurement based on the resonance effect is proposed for elucidating picosecond dynamics of a single microparticle.

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