FIP (French beamline for Investigation of Proteins) is located on a Bending Magnet section (BM30A) of ESRF. It is specially dedicated to crystallography of biological macromolecules. This beamline will be used either for normal diffraction or for multiwavelength diffraction, using anomalous dispersion.

Its optics delivers a focused beam on a fixed sample position, with a relatively high energy resolution of about 1e-3 to 1e-4 and a large accessible energy range (7-18 keV). The beam height and focusing distance are fixed.

The expected beam intensity is ~0.5e11 photons/(0.3x0.3 mm2) for 2e-4 energy resolution at 12.5 keV.

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