femtophotography
别名
释义与例句
-
1.
A method of photography using sub-picosecond pulses of light (usually around 10⁻¹³ seconds, or 100 femtoseconds, long) to illuminate the subject of the photograph, allowing the propagation of the light pulse to be viewed directly.
不可数 艺术
词源
Etymology tree Proto-Indo-European *pénkʷe Proto-Germanic *fimf Proto-Indo-European *déḱm̥ Proto-Germanic *tehun Proto-Germanic *fimftehun Old Norse fimmtánder. Danish femtender. English femto- Proto-Indo-European *bʰeh₂- Proto-Indo-European *bʰéh₂os Proto-Hellenic *pʰáwos Ancient Greek φᾰ́ος (phắos) Ancient Greek φῶς (phôs) Ancient Greek φωτο- (phōto-) Proto-Indo-European *gerbʰ- Proto-Hellenic *grə́pʰō Ancient Greek γρᾰ́φω (grắphō) French photographiebor. English photography English femtophotography From femto- + photography, from the ~100-femtosecond-long pulses of light used.
来源：wiktionary