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(a) Schematic of the MS-PAM system. C1: reflective collimator, LVF: linear variable filter, GM: galvo-mirrors, L1: achromatic lens, MS: microscopy slide, FT: flat transducer, PC: the personal computer. The photograph in the bottom left shows the all-fibre SC laser and the power supply unit with a scale bar of 10 cm. (b): Lateral resolution of the MS-PAM system estimated by using the edge and line spread functions. (c): PAM image of the USAF resolution target at 1720 nm.
