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o -——-'-■-'-■-■-■-■-'-'-■-■-■—-—'

Fig. 5.17 Five dimensionless rigidities of active optics submasters from integration of (5.85) with v = 0.305. Coefficients An in Table 4.1 are set with M = 3/6402 providing k - 3/2 (see Table 5.5). The diagram plots 32A.4 D vs p = r/R. (Full lines): Rigidities corresponding to grating clear aperture pm in slit direction and associated focal ratios O = 1/4pm. (Dotted line): Extensions from pm to the built-in edge po partly used by the elliptic pupil in dispersion direction o -——-'-■-'-■-■-■-■-'-'-■-■-■—-—'

Fig. 5.17 Five dimensionless rigidities of active optics submasters from integration of (5.85) with v = 0.305. Coefficients An in Table 4.1 are set with M = 3/6402 providing k - 3/2 (see Table 5.5). The diagram plots 32A.4 D vs p = r/R. (Full lines): Rigidities corresponding to grating clear aperture pm in slit direction and associated focal ratios O = 1/4pm. (Dotted line): Extensions from pm to the built-in edge po partly used by the elliptic pupil in dispersion direction

Table 5.5 Dimensionless rigidities D(0,p) of vase-form submasters for various spectrogrpah f-ratios O = 1/4pm in nebular direction (y). Position's ratio \/k = po/p m. Built-in radius po root of (5.81). Values 32A4Xn from integration of (5.85) with D = EXnpn and v = 0.305

f/ O

Vk

po

0 0

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