Figure 4
Mechanical structure of the SDU. (1) Optical bench, (2) base metal plates, (3) moving base with vacuum bellows, (4) mirror mountings, (5) DL1 and DL2 at −5 ps, 0 ps and +18 ps positions, (6) guiding rails, (7) UHV-compatible stepper motors of the delay stage, (8) ball screw drives, (9) two beam interferometer, (10) relative pulse intensity measurement device, (11) retractable blocking stages with filters, (12) beam splitter BS, (13) recombination mirror RC. |