Fig. 1. Schematic diagrams of a multi-channel fluorescence imaging system using (a) 3 separate cameras, (b) a 2-CCD multi-spectral camera and a monochrome NIR camera.
Fig. 2. Schematic diagrams of (a) a multi-channel fluorescence imaging system using a 3-CCD camera, and (b) the prism block of system (a).
Fig. 3. (a) SBR according to the excitation laser current, (b) the captured images, (c) the area used to calculate the SBR and (d) color image with scale bar(left), merged image of color and fluorescence image when current is 1.2A(right).
Fig. 4. (a) SBR according to exposure time of the NIR camera, (b) the captured images at a constant WD of 30 cm and a laser current of 1.0 A.
Fig. 5. (a) SBR according to working distance, (b) the captured images at a laser current of 1.0 A and 10 ms of exposure time for the NIR camera.
Table 1. Fluence rate relative to the laser diode current
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