photoexcitationn.
/ˌfəʊtəʊɛksʌɪˈteɪʃn/, U.S. /ˈˌfoʊdoʊˌɛksəˈteɪʃ(ə)n/, /ˈˌfoʊdoʊˌɛksaɪˈteɪʃ(ə)n/ Excitation caused by light; (Physics) excitation (excitation n. 5) caused by an incident photon.
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photoexcitation1914
1914 Bot. Gaz. 58 88 Noack inquires whether photo-excitation of orthotropic organs obeys the sine of angle law.
1918 Physical Rev. 11 485 Having followed the kathodo phosphorescence for 300 seconds by the usual well-known method of a single excitation and determined the form of the curve of decay, the relation of this curve to that obtained by photoexcitation is of importance.
1968 Solid State Communications 6 549 The photoelectric effects..are caused by photoexcitation of electrons from traps into the conduction band.
1975 McGraw-Hill Yearbk. Sci. & Technol. 357/1 In photoconductors the carriers can be generated internally by photoexcitation.
2004 Jrnl. Physics B 37 3909 Cross sections for the emission of two Lyman-α photons in photoexcitation of H2 have been measured.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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