| 单词 | streak camera |
| 释义 | > as lemmasstreak camera streak camera n. a camera which uses the principles of streak photography; also, an electron-optical analogue of this allowing the resolution of events of the order of a picosecond duration and used esp. in high-speed spectroscopy (see quots. 1973, 1977). ΘΚΠ the world > physical sensation > sight and vision > optical instruments > instruments for observing > [noun] > light or radiation iriscope1841 spectroscope1861 photoscope1872 melanoscope1876 schistoscope1876 radioscope1896 spinthariscope1903 scintilloscope1904 streak camera1962 society > leisure > the arts > visual arts > photography > camera > [noun] > general types of box camera1828 daguerreotype1839 view camera1851 pistolgraph1859 pinhole camera1861 panoramic camera1862 pantoscopic camera1865 pistolograph1866 pantoscope1879 detective camera1881 filmograph1881 photographometera1884 photochronograph1887 snap-shooter1890 stand camera1890 tele-objective camera1891 film camera1893 magazine camera1893 panoram1893 telephoto1894 mutograph1897 tele-camera1899 telephote1903 press camera1912 reflex1922 candid camera1929 minicam1935 single-lens reflex1936 plate camera1937 magic eye1938 subminiature1947 miniature1952 all-sky camera1955 microfilmer1959 stereo-camera1959 streak camera1962 gallery camera1964 SLR1964 TLR1965 spy-camera1968 pinhole1976 multi-mode1981 digicam1989 point-and-shoot1991 1962 Sci. Amer. May 102/2 For this purpose we use a streak camera. 1973 Sci. Amer. June 60/2 In the streak camera, which has an electronic circuit fast enough to measure picosecond events, light from a slit is focused onto a cathode where electrons are released and accelerated towards a phosphorus substance, which emits light. A voltage increasing with time..streaks the electrons across the phosphor so that electrons released at earlier times appear at a different position on the phosphor than electrons released later. 1977 Jrnl. Royal Soc. Arts 125 772/2 Direct linear measurement of pulse durations by electronoptical streak-cameras, in which the time-into-space transformation is brought about by deflecting an electronoptical slit image across the output phosphor of an image-tube. < as lemmas |
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