Table 1. The parameters of the double-Debye model for water and tissues.

#	Object	ɛ ∞	Δɛ1	Δɛ2	τ1, ps	τ2, ps	Ref.
1	Water	3.30	75.00	1.90	8.50	0.17	[167]
2		3.50	73.50	1.40	8.20	0.18	[168]
3		4.10	72.20	2.50	10.60	0.18	[160]
4		3.20	73.60	1.60	8.00	0.18	[164]
5		3.42	74.16	1.38	7.87	0.18	[169]
6	Intact human skin (epidermis) in vivo	2.89	20.34	1.74	3.82	0.11	[166]
7		3.00	56.40	0.60	10.00	0.20	[160]
8		2.58	10.54	1.58	1.45	0.06	[161]
9		2.86	25.70	1.76	4.80	0.10	[170]
10		3.00	54.40	0.60	9.40	0.18	[163]
11	Basal cell carcinoma of the human skin ex vivo	2.90	28.53	1.90	4.35	0.11	[166]
12		2.58	13.37	1.58	1.55	0.06	[161]
13		3.02	72.25	1.95	11.02	0.13	[170]
14	Fibrous connective tissues of the human breast ex vivo	2.10	72.60	1.80	10.30	0.07	[164]
15	Tumor of the humor breast ex vivo	2,50	73.60	2.80	9.10	0.08	[164]
16	Intact tissues of the human brain ex vivo	2.29	49.82	1.80	10.6	0.18	[165]
17	Edematous tissues of the human brain ex vivo	3.48	61.37	1.58	10.6	0.18	[165]
18	WHO Grade I glioma of the human brain ex vivo	3.29	50.54	1.93	10.6	0.18	[165]
19	WHO Grade II glioma of the human brain ex vivo	3.40	61.37	1.93	10.6	0.18	[165]
20	WHO Grade III glioma of the human brain ex vivo	3.32	56.32	2.03	10.6	0.18	[165]
21	WHO Grade IV glioma of the human brain ex vivo	3.30	58.48	2.00	10.6	0.18	[165]