Figure 2.5.5.2

Vainshtein, B. K.

doi:10.1107/97809553602060000558

International
Tables for
Crystallography
Volume B
Reciprocal space
Edited by U. Shmueli

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International Tables for Crystallography (2006). Vol. B. ch. 2.5, p. 314 | 1 | 2 |

Figure 2.5.5.2

B. K. Vainshtein^c ^‡

Figure 2.5.5.2

(a) Diagram of an optical diffractometer . D is the object (an electron micrograph), $[M_{p}]$ is the diffraction plane and a mask that transmits only $[\Phi_{hk}]$ , $[D_{p}]$ is the plane of the (filtered) image; (b) an electron micrograph of a crystalline layer of the protein phosphorylase b; (c) its optical diffraction pattern (the circles correspond to the windows in the mask that transmits only the $[\Phi_{hk}]$ diffracted beams from the periodic component of the image); (d) the filtered image . Parts (b)–(d) are based on the article by Kiselev et al. (1971).