Figure 1.
(online color at: www.biophotonics-journal.org) Schematic of the compact MPM system with handheld probe. PSC: pump/signal combiner; DDCF: doped double clad fiber; SMF: single mode fiber; C: collimator; QWP: quarter wave plate; I: isolator; BP: birefrigent plate; PBS: polarization beam splitter; HWP: half wave plate; M: mirror; G: grating; D: dichroic beam splitter; L: lens; F: filter; O: objective; PMT: photon multiplier tube; AMP: low noise preamplifier; DCPCF: double clad photonic crystal fiber; HHP: handheld probe; PC: personal computer.