| 释义 |
epi-illumination, n. Microscopy.|ˌɛpɪɪˌl(j)uːmɪˈneɪʃən|
[f. epi- 1 + illumination n.]
Illumination of the object field of an optical microscope from the side of the field on which the object is viewed.
1967S. Bradbury Evol. of Microscope ii. 46 It is often more convenient to work at night, so Hooke devised the oil lamp and epi-illumination equipment shown attached to his microscope. 1975Nature 3 Apr. 457/2 A CS100 W/2 lamp was used for epi-illumination through a 40/1.0 objective. 1985Brit. Med. Jrnl. 14 Sept. 696/1 The..slides were..examined by fluorescent microscopy under epi-illumination.
Also ˌepi-iˈlluminator n., a light source providing epi-illumination.
[1958G. H. Needham Pract. Use Microscope xxi. 343/2 Epilum Opaque Illuminator made by C. Reichart, Vienna.] 1971Nature 4 June 327/1 The slides were examined under a Leitz ortholux microscope fitted with an HBO 200 mercury vapour light source and a ‘Ploem’ epi-illuminator. 1977Ibid. 23 June 740/2 The POH-3 polarising microscope has..interchangeable eyepiece tubes, graduated, circular rotatable stage and epi-illuminator. |