Fig. 1From: Multiphoton imaging of myogenic differentiation in gelatin-based hydrogels as tissue engineering scaffoldsSchematic diagram of the MPM imaging system used in this study. The custom-built MPM is composed of a femtosecond (fs) titanium:sapphire laser, polarizer, x-y scanner, beam expander, dichoic mirror, photomultiplier tube (PMT), discriminator, and etcBack to article page