Ultrafast optical responses of doubly N-confused hexaphyrin derivatives with femtosecond laser excitation

Jang Hyun Ryu; Toshihiko Nagamura; Hiroyuki Furuta; Kiyohisa Nakamura

doi:10.2494/photopolymer.19.15

Ultrafast optical responses of doubly N-confused hexaphyrin derivatives with femtosecond laser excitation

Jang Hyun Ryu, Toshihiko Nagamura, Hiroyuki Furuta, Kiyohisa Nakamura

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

4 Citations (Scopus)

Abstract

Confused hexaphyrin derivatives were excited by femtosecond pulsed laser to study transient responses. An extended π-conjugated system showed characteristic absorption changes with relatively weak power of laser irradiation. Recovery of transient bleaching was observed with time constants less than 100ps by both 400nm and 800nm excitation. Copper complex derivative showed the fastest response of 21 ps. Optical responses in the visible region and its mechanism are discussed.

Original language	English
Pages (from-to)	15-19
Number of pages	5
Journal	Journal of Photopolymer Science and Technology
Volume	19
Issue number	1
DOIs	https://doi.org/10.2494/photopolymer.19.15
Publication status	Published - Aug 14 2006

All Science Journal Classification (ASJC) codes

Polymers and Plastics
Organic Chemistry
Materials Chemistry

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abstract = "Confused hexaphyrin derivatives were excited by femtosecond pulsed laser to study transient responses. An extended π-conjugated system showed characteristic absorption changes with relatively weak power of laser irradiation. Recovery of transient bleaching was observed with time constants less than 100ps by both 400nm and 800nm excitation. Copper complex derivative showed the fastest response of 21 ps. Optical responses in the visible region and its mechanism are discussed.",

author = "Ryu, {Jang Hyun} and Toshihiko Nagamura and Hiroyuki Furuta and Kiyohisa Nakamura",

year = "2006",

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AU - Nagamura, Toshihiko

AU - Furuta, Hiroyuki

AU - Nakamura, Kiyohisa

PY - 2006/8/14

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AB - Confused hexaphyrin derivatives were excited by femtosecond pulsed laser to study transient responses. An extended π-conjugated system showed characteristic absorption changes with relatively weak power of laser irradiation. Recovery of transient bleaching was observed with time constants less than 100ps by both 400nm and 800nm excitation. Copper complex derivative showed the fastest response of 21 ps. Optical responses in the visible region and its mechanism are discussed.

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Ultrafast optical responses of doubly N-confused hexaphyrin derivatives with femtosecond laser excitation

Abstract

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