Basic Research
Copyright ©The Author(s) 2003.
World J Gastroenterol. Sep 15, 2003; 9(9): 2068-2072
Published online Sep 15, 2003. doi: 10.3748/wjg.v9.i9.2068
Figure 2
Figure 2 A double-integrating-sphere system was used to determine the optical properties of biological tissues. 1. Laser, 2. Attenuator, 3. Attenuator, 4. Mirror, 5. 2 mm pinhole, 6. Beam expander, 7. 6 mm pinhole, 8. Intergrating sphere I, 9. Sample, 10. Optical trap, 11. Intergrating sphere II, 12. Optical trap, 13. Detector system, 14. Detector system, 15. Baffle, 16. Baffle.