S-TIH23 - O'Hara

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.784695 n_e = 1.791728	V_d = 26.29 V_e = 26.07	n_F - n_C = 0.029846 n_F' - n_C' = 0.030358	Coloring: 0.37 - 0.43 mkm.

Type: Sellmeier
Spectral range: 0.4046561 - 2.325 mkm.
C1 = 1.73986485 C2 = 0.313894918 C3 = 2.31093206 C4 = 0.01294413 C5 = 0.0612116868 C6 = 197.420482

Refraction index
n _2.3254	-----
n _1.9701	1.737316
n _1.5296	1.744750
n _1.06	1.754678
n _t	1.756051
n _s	1.762301
n _r	1.771466
n _C	1.776125
n _C'	1.777457
n _0.6328	1.778714
n _D	1.784438
n _d	1.784695
n _e	1.791728
n _F	1.805971
n _F'	1.807816
n _g	1.824284
n _h	1.840807
n _i	-----
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.6725
P_C,A'	0.3067
P_d,C	0.2871
P_e,C	0.5228
P_g,d	1.3264
P_g,F	0.6135
P_h,g	0.5536
P_i,g	-----
P_C',t	0.7172
P_e,C'	0.4781
P_F',e	0.5390
P_i,F'	-----

transmittance: 10 mm
τ_0.37	0.12
τ_0.38	0.44
τ_0.39	0.67
τ_0.4	0.8
τ_0.42	0.906
τ_0.44	0.947
τ_0.46	0.962
τ_0.48	0.972
τ_0.5	0.979
τ_0.55	0.992
τ_0.6	0.992
τ_0.65	0.991
τ_0.7	0.993
τ_0.8	0.998
τ_0.9	0.998
τ₁	0.998
τ_1.2	0.999
τ_1.4	0.997
τ_1.6	0.996
τ_1.8	0.988
τ₂	0.981
τ_2.2	0.962
τ_2.4	0.937

Poisson coef.: 0.26
Rigidity: 366 Pa*10⁸
Young module: 922 Pa*10⁸
Knoop hardness: 540
Abrasion: 180

Climatic resistance: 2
Resistance to acids: 1
Phosphate resistance: 1

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
-30 ~ 70	88
100 ~ 300	106

Temperature coefs. of n_rel
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-40 ~ -20	t	-0.3
-20 ~ 0	t	-0.2
0 ~ 20	t	-0.1
20 ~ 40	t	-0.1
60 ~ 80	t	0.1
-40 ~ -20	C'	0.5
-20 ~ 0	C'	0.7
0 ~ 20	C'	0.8
20 ~ 40	C'	0.9
40 ~ 60	C'	1
60 ~ 80	C'	1.2
-40 ~ -20		0.6
-20 ~ 0		0.7
0 ~ 20		0.9
20 ~ 40		1
40 ~ 60		1.1
60 ~ 80		1.2
-40 ~ -20	D	1
-20 ~ 0	D	1.1
0 ~ 20	D	1.3
20 ~ 40	D	1.4
40 ~ 60	D	1.5
60 ~ 80	D	1.7
-40 ~ -20	e	1.4
-20 ~ 0	e	1.6
0 ~ 20	e	1.8
20 ~ 40	e	2
40 ~ 60	e	2.2
60 ~ 80	e	2.3
-40 ~ -20	F	2.6
-20 ~ 0	F	2.9
0 ~ 20	F	3.1
20 ~ 40	F	3.4
40 ~ 60	F	3.7
60 ~ 80	F	3.9
-40 ~ -20	g	4.1
-20 ~ 0	g	4.4
0 ~ 20	g	4.8
20 ~ 40	g	5.1
40 ~ 60	g	5.5
60 ~ 80	g	5.8