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We present measurements of secondary cosmic microwave background (CMB)anisotropies and cosmic infrared background (CIB) fluctuations using data fromthe South Pole Telescope (SPT) covering the complete 2540 sq.deg. SPT-SZ surveyarea. Data in the three SPT-SZ frequency bands centered at 95, 150, and 220GHz, are used to produce six angular power spectra (three single-frequencyauto-spectra and three cross-spectra) covering the multipole range 2000 < ell <11000 (angular scales 5' > \theta > 1'). These are the most precisemeasurements of the angular power spectra at ell > 2500 at these frequencies.The main contributors to the power spectra at these angular scales andfrequencies are the primary CMB, CIB, thermal and kinematic Sunyaev-Zel'dovicheffects (tSZ and kSZ), and radio galaxies. We include a constraint on the tSZpower from a measurement of the tSZ bispectrum from 800 sq.deg. of the SPT-SZsurvey. We measure the tSZ power at 143 GHz to be DtSZ = 4.08 +0.58 -0.67 \muK^2 and the kSZ power to be DkSZ = 2.9 +- 1.3 \mu K^2. The data prefer positivekSZ power at 98.1% CL. We measure a correlation coefficient of \xi = 0.113+0.057 -0.054 between sources of tSZ and CIB power, with \xi < 0 disfavored ata confidence level of 99.0%. The constraint on kSZ power can be interpreted asan upper limit on the duration of reionization. When the post-reionizationhomogeneous kSZ signal is accounted for, we find an upper limit on the duration\Delta z < 5.4 at 95% CL.

A measurement of secondary cosmic microwave background anisotropies from the 2500-square-degree SPT-SZ survey