Photostability of organic electro-optic polymer under practical high intensity continuous-wave 1550 nm laser irradiation
Information on the photochemical stabilities of organic electro-optic (EO) polymers under laser irradiation at 1550 nm, in the optical communication wavelength band (C-band), is crucial for understanding the long-term stability of various optical devices that employ EO polymers and providing guideli...
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| Veröffentlicht in: | Japanese Journal of Applied Physics 2021-10, Vol.60 (10), p.101002 |
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| container_title | Japanese Journal of Applied Physics |
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| creator | Tominari, Yukihiro Yamada, Toshiki Kaji, Takahiro Yamada, Chiyumi Otomo, Akira |
| description | Information on the photochemical stabilities of organic electro-optic (EO) polymers under laser irradiation at 1550 nm, in the optical communication wavelength band (C-band), is crucial for understanding the long-term stability of various optical devices that employ EO polymers and providing guidelines for extending the devices’ lifetime. Thus, in this study, we constructed a pump–probe photostability evaluation system with an intensity of as high as 1.49 MW cm
−2
and intensively investigated the photochemical stability of an EO polymer at 85 °C under irradiation by using a continuous-wave (CW) 1550 nm laser. We found that the photobleaching rate was proportional to the square of the pump intensity, suggesting that the dominant photodegradation pathway was associated with two-photon absorption. Our findings provide new insights into a photobleaching mechanism under non-resonant CW laser excitation conditions. |
| doi_str_mv | 10.35848/1347-4065/ac235a |
| format | Article |
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−2
and intensively investigated the photochemical stability of an EO polymer at 85 °C under irradiation by using a continuous-wave (CW) 1550 nm laser. We found that the photobleaching rate was proportional to the square of the pump intensity, suggesting that the dominant photodegradation pathway was associated with two-photon absorption. Our findings provide new insights into a photobleaching mechanism under non-resonant CW laser excitation conditions.</description><identifier>ISSN: 0021-4922</identifier><identifier>EISSN: 1347-4065</identifier><identifier>DOI: 10.35848/1347-4065/ac235a</identifier><identifier>CODEN: JJAPB6</identifier><language>eng</language><publisher>Tokyo: IOP Publishing</publisher><subject>C band ; Continuous radiation ; electro-optics polymer ; Irradiation ; Lasers ; Optical communication ; Optics ; organic nonlinear optical material ; Photochemical reactions ; Photodegradation ; Photon absorption ; photostability ; Polymers ; Service life assessment ; Stability</subject><ispartof>Japanese Journal of Applied Physics, 2021-10, Vol.60 (10), p.101002</ispartof><rights>2021 The Author(s). Published on behalf of The Japan Society of Applied Physics by IOP Publishing Ltd</rights><rights>Copyright Japanese Journal of Applied Physics Oct 2021</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c454t-6ecb7eccc3961c04d24c73accd290a7c957615b7491c01b7ab7ddad4b97163543</citedby><cites>FETCH-LOGICAL-c454t-6ecb7eccc3961c04d24c73accd290a7c957615b7491c01b7ab7ddad4b97163543</cites><orcidid>0000-0002-9503-171X ; 0000-0001-5563-0083</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://iopscience.iop.org/article/10.35848/1347-4065/ac235a/pdf$$EPDF$$P50$$Giop$$Hfree_for_read</linktopdf><link.rule.ids>314,780,784,27924,27925,53846,53893</link.rule.ids></links><search><creatorcontrib>Tominari, Yukihiro</creatorcontrib><creatorcontrib>Yamada, Toshiki</creatorcontrib><creatorcontrib>Kaji, Takahiro</creatorcontrib><creatorcontrib>Yamada, Chiyumi</creatorcontrib><creatorcontrib>Otomo, Akira</creatorcontrib><title>Photostability of organic electro-optic polymer under practical high intensity continuous-wave 1550 nm laser irradiation</title><title>Japanese Journal of Applied Physics</title><addtitle>Jpn. J. Appl. Phys</addtitle><description>Information on the photochemical stabilities of organic electro-optic (EO) polymers under laser irradiation at 1550 nm, in the optical communication wavelength band (C-band), is crucial for understanding the long-term stability of various optical devices that employ EO polymers and providing guidelines for extending the devices’ lifetime. Thus, in this study, we constructed a pump–probe photostability evaluation system with an intensity of as high as 1.49 MW cm
−2
and intensively investigated the photochemical stability of an EO polymer at 85 °C under irradiation by using a continuous-wave (CW) 1550 nm laser. We found that the photobleaching rate was proportional to the square of the pump intensity, suggesting that the dominant photodegradation pathway was associated with two-photon absorption. 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J. Appl. Phys</addtitle><date>2021-10-01</date><risdate>2021</risdate><volume>60</volume><issue>10</issue><spage>101002</spage><pages>101002-</pages><issn>0021-4922</issn><eissn>1347-4065</eissn><coden>JJAPB6</coden><abstract>Information on the photochemical stabilities of organic electro-optic (EO) polymers under laser irradiation at 1550 nm, in the optical communication wavelength band (C-band), is crucial for understanding the long-term stability of various optical devices that employ EO polymers and providing guidelines for extending the devices’ lifetime. Thus, in this study, we constructed a pump–probe photostability evaluation system with an intensity of as high as 1.49 MW cm
−2
and intensively investigated the photochemical stability of an EO polymer at 85 °C under irradiation by using a continuous-wave (CW) 1550 nm laser. We found that the photobleaching rate was proportional to the square of the pump intensity, suggesting that the dominant photodegradation pathway was associated with two-photon absorption. Our findings provide new insights into a photobleaching mechanism under non-resonant CW laser excitation conditions.</abstract><cop>Tokyo</cop><pub>IOP Publishing</pub><doi>10.35848/1347-4065/ac235a</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0002-9503-171X</orcidid><orcidid>https://orcid.org/0000-0001-5563-0083</orcidid><oa>free_for_read</oa></addata></record> |
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| ispartof | Japanese Journal of Applied Physics, 2021-10, Vol.60 (10), p.101002 |
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| language | eng |
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| source | Institute of Physics Journals |
| subjects | C band Continuous radiation electro-optics polymer Irradiation Lasers Optical communication Optics organic nonlinear optical material Photochemical reactions Photodegradation Photon absorption photostability Polymers Service life assessment Stability |
| title | Photostability of organic electro-optic polymer under practical high intensity continuous-wave 1550 nm laser irradiation |
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