S-TIH 6 - O'Hara

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.805180 n_e = 1.812639	V_d = 25.42 V_e = 25.22	n_F - n_C = 0.031668 n_F' - n_C' = 0.032221	Coloring: 0.37 - 0.44 mkm.

Type: Sellmeier
Spectral range: 0.4046561 - 2.325 mkm.
C1 = 1.77227611 C2 = 0.34569125 C3 = 2.40788501 C4 = 0.0131182633 C5 = 0.0614479619 C6 = 200.753254

Refraction index
n _2.3254	-----
n _1.9701	1.755581
n _1.5296	1.763204
n _1.06	1.773513
n _t	1.774950
n _s	1.781514
n _r	1.791180
n _C	1.796105
n _C'	1.797515
n _0.6328	1.798845
n _D	1.804907
n _d	1.805180
n _e	1.812639
n _F	1.827773
n _F'	1.829737
n _g	1.847285
n _h	1.864938
n _i	-----
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.6680
P_C,A'	0.3054
P_d,C	0.2865
P_e,C	0.5221
P_g,d	1.3295
P_g,F	0.6161
P_h,g	0.5574
P_i,g	-----
P_C',t	0.7125
P_e,C'	0.4775
P_F',e	0.5398
P_i,F'	-----

transmittance: 10 mm
τ_0.37	0.12
τ_0.38	0.48
τ_0.39	0.7
τ_0.4	0.82
τ_0.42	0.919
τ_0.44	0.955
τ_0.46	0.97
τ_0.48	0.978
τ_0.5	0.984
τ_0.55	0.993
τ_0.6	0.995
τ_0.65	0.994
τ_0.7	0.996
τ_0.8	0.998
τ_0.9	0.998
τ₁	0.998
τ_1.2	0.998
τ_1.4	0.997
τ_1.6	0.995
τ_1.8	0.986
τ₂	0.978
τ_2.2	0.958
τ_2.4	0.928

Poisson coef.: 0.261
Rigidity: 369 Pa*10⁸
Young module: 931 Pa*10⁸
Knoop hardness: 540
Abrasion: 191

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	89
100 ~ 300	107

Temperature coefs. of n_rel
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-40 ~ -20	t	-0.6
-20 ~ 0	t	-0.6
0 ~ 20	t	-0.5
20 ~ 40	t	-0.4
40 ~ 60	t	-0.4
60 ~ 80	t	-0.3
-40 ~ -20	C'	0.3
-20 ~ 0	C'	0.4
0 ~ 20	C'	0.5
20 ~ 40	C'	0.7
40 ~ 60	C'	0.8
60 ~ 80	C'	0.9
-40 ~ -20		0.4
-20 ~ 0		0.5
0 ~ 20		0.6
20 ~ 40		0.8
40 ~ 60		0.9
60 ~ 80		1
-40 ~ -20	D	0.7
-20 ~ 0	D	0.9
0 ~ 20	D	1
20 ~ 40	D	1.2
40 ~ 60	D	1.3
60 ~ 80	D	1.5
-40 ~ -20	e	1.3
-20 ~ 0	e	1.5
0 ~ 20	e	1.6
20 ~ 40	e	1.8
40 ~ 60	e	2
60 ~ 80	e	2.1
-40 ~ -20	F	2.6
-20 ~ 0	F	2.8
0 ~ 20	F	3
20 ~ 40	F	3.3
40 ~ 60	F	3.5
60 ~ 80	F	3.8
-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