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HAOSLO probe system schematic and optical design: red and blue rays depict the illumination and collection paths, respectively. APD: avalanche photodiode, DM: deformable mirror, FM: fold mirror, L1–10: lenses, LP: linear polarizer, MMF: multimode fiber, PBS: polarizing beam splitter, PM: polarization-maintaining, QWP: quarter wave plate, SLD: superluminescent diode, SMF: single mode fiber, and VOA: variable optical attenuator.
