Determination of optical properties of normal and adenomatous human colon tissues in vitro using integrating sphere techniques

Table 1 Anisotropy factors, absorption and scattering coefficients of normal and adenomatous human colon mucosa/submucosa at five different wavelengths of laser irradiation by the inverse adding-doubling method.

Tissue	l (nm)	µa(/cm)	µs(/cm)	g
Normal human colon mucosa/submucosa	476.5	2.32±0.09	214±5.35	0.885±0.019
	488.0	3.27±0.13	228±5.69	0.891±0.021
	496.5	2.58±0.10	212±5.27	0.897±0.024
	514.5	3.12±0.12	216±5.38	0.902±0.026
	532.0	3.33±0.14	208±5.16	0.908±0.029
Adenomatous human colon mucosa/submucosa	476.5	5.27±0.21	233±5.72	0.897±0.023
	488.0	5.34±0.22	238±5.84	0.903±0.027
	496.5	4.87±0.19	228±5.67	0.907±0.028
	514.5	4.37±0.17	231±5.69	0.917±0.033
	532.0	5.16±0.20	223±5.63	0.913±0.031