S-TIH 1 - O'Hara

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.717361 n_e = 1.723096	V_d = 29.51 V_e = 29.28	n_F - n_C = 0.024302 n_F' - n_C' = 0.024693	Coloring: 0.36 - 0.41 mkm.

Type: Sellmeier
Spectral range: 0.4046561 - 2.325 mkm.
C1 = 1.60326759 C2 = 0.242980935 C3 = 1.81313592 C4 = 0.0118019139 C5 = 0.0591363658 C6 = 161.218747

Refraction index
n _2.3254	-----
n _1.9701	1.676356
n _1.5296	1.683442
n _1.06	1.692347
n _t	1.693533
n _s	1.698846
n _r	1.706486
n _C	1.710331
n _C'	1.711428
n _0.6328	1.712460
n _D	1.717151
n _d	1.717361
n _e	1.723096
n _F	1.734634
n _F'	1.736122
n _g	1.749332
n _h	1.762467
n _i	-----
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.6912
P_C,A'	0.3118
P_d,C	0.2892
P_e,C	0.5252
P_g,d	1.3155
P_g,F	0.6048
P_h,g	0.5404
P_i,g	-----
P_C',t	0.7363
P_e,C'	0.4801
P_F',e	0.5359
P_i,F'	-----

transmittance: 10 mm
τ_0.37	0.19
τ_0.38	0.56
τ_0.39	0.78
τ_0.4	0.88
τ_0.42	0.952
τ_0.44	0.971
τ_0.46	0.978
τ_0.48	0.982
τ_0.5	0.987
τ_0.55	0.994
τ_0.6	0.994
τ_0.65	0.991
τ_0.7	0.993
τ_0.8	0.998
τ_0.9	0.999
τ₁	0.998
τ_1.2	0.998
τ_1.4	0.996
τ_1.6	0.995
τ_1.8	0.988
τ₂	0.981
τ_2.2	0.957
τ_2.4	0.941

Poisson coef.: 0.247
Rigidity: 355 Pa*10⁸
Young module: 884 Pa*10⁸
Knoop hardness: 550
Abrasion: 161

Climatic resistance: 1
Resistance to acids: 1
Phosphate resistance: 1

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
-30 ~ 70	82
100 ~ 300	96

Temperature coefs. of n_rel
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-40 ~ -20	C'	3.2
-20 ~ 0	C'	3.4
0 ~ 20	C'	3.7
20 ~ 40	C'	3.9
40 ~ 60	C'	4.1
60 ~ 80	C'	4.3
-40 ~ -20		3.3
-20 ~ 0		3.5
0 ~ 20		3.7
20 ~ 40		4
40 ~ 60		4.2
60 ~ 80		4.4
-40 ~ -20	D	3.6
-20 ~ 0	D	3.8
0 ~ 20	D	4.1
20 ~ 40	D	4.3
40 ~ 60	D	4.6
60 ~ 80	D	4.8
-40 ~ -20	e	4
-20 ~ 0	e	4.3
0 ~ 20	e	4.6
20 ~ 40	e	4.8
40 ~ 60	e	5.1
60 ~ 80	e	5.3
-40 ~ -20	F	5.1
-20 ~ 0	F	5.4
0 ~ 20	F	5.7
20 ~ 40	F	6
40 ~ 60	F	6.4
60 ~ 80	F	6.7
-40 ~ -20	g	6.2
-20 ~ 0	g	6.7
0 ~ 20	g	7.1
20 ~ 40	g	7.5
40 ~ 60	g	7.9
60 ~ 80	g	8.3