Table 2.

Properties of inflated mouse lung used to calculate approximate optical properties.

Inflated lung characteristics
Property	Value(s) in literature		Value used in model
Lung volume at max inspiration (${\mathrm{mm}}^3$)	1000 to 150038,43,47		1060
Lung tissue volume (${\mathrm{mm}}^3$)	100 to 20042,48		212a
Alveolar diameter ($\mu \mathrm{m}$)	35 to 7549,50		55
Lung optical properties
Wavelength (nm)	Deflated ${\mu }_{\mathrm{a}}$ (${\mathrm{cm}}^{-1}$)	Deflated ${\mu }_{\mathrm{s}}^{\prime }$ (${\mathrm{cm}}^{-1}$)	Inflated ${\mu }_{\mathrm{a}}$ (${\mathrm{cm}}^{-1}$)	Inflated ${\mu }_{\mathrm{s}}^{\prime }$ (${\mathrm{cm}}^{-1}$)
535	5.99	43.57	1.20	130.84
730	1.07	35.27	0.21	122.54

^aLung tissue volume was calculated from lung volume and an inflation factor of 0.8.