S-TIM 5 - O'Hara

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.603419 n_e = 1.607178	V_d = 38.02 V_e = 37.75	n_F - n_C = 0.015868 n_F' - n_C' = 0.016081	Coloring: 0.35 - 0.39 mkm.

Type: Sellmeier
Spectral range: 0.3650146 - 2.325 mkm.
C1 = 1.38531342 C2 = 0.122372945 C3 = 1.40508326 C4 = 0.0104074567 C5 = 0.0557440088 C6 = 144.878733

Refraction index
n _2.3254	-----
n _1.9701	1.573059
n _1.5296	1.579176
n _1.06	1.586204
n _t	1.587080
n _s	1.590889
n _r	1.596154
n _C	1.598747
n _C'	1.599481
n _0.6328	1.600171
n _D	1.603281
n _d	1.603419
n _e	1.607178
n _F	1.614615
n _F'	1.615563
n _g	1.623875
n _h	1.631956
n _i	1.646755
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.7352
P_C,A'	0.3241
P_d,C	0.2944
P_e,C	0.5312
P_g,d	1.2891
P_g,F	0.5835
P_h,g	0.5092
P_i,g	1.4418
P_C',t	0.7815
P_e,C'	0.4850
P_F',e	0.5284
P_i,F'	1.9656

transmittance: 10 mm
τ_0.36	0.19
τ_0.37	0.6
τ_0.38	0.84
τ_0.39	0.931
τ_0.4	0.963
τ_0.42	0.984
τ_0.44	0.989
τ_0.46	0.991
τ_0.48	0.993
τ_0.5	0.995
τ_0.55	0.997
τ_0.6	0.997
τ_0.65	0.997
τ_0.7	0.997
τ_0.8	0.999
τ_0.9	0.998
τ₁	0.998
τ_1.2	0.998
τ_1.4	0.994
τ_1.6	0.994
τ_1.8	0.982
τ₂	0.966
τ_2.2	0.923
τ_2.4	0.902

Poisson coef.: 0.233
Rigidity: 309 Pa*10⁸
Young module: 763 Pa*10⁸
Knoop hardness: 540
Abrasion: 128

Climatic resistance: 1
Resistance to acids: 1
Phosphate resistance: 1.2

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
-30 ~ 70	83
100 ~ 300	96

Temperature coefs. of n_rel
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-40 ~ -20	t	1.4
-20 ~ 0	t	1.4
0 ~ 20	t	1.4
20 ~ 40	t	1.6
40 ~ 60	t	1.7
60 ~ 80	t	1.7
-40 ~ -20	C'	1.9
-20 ~ 0	C'	2
0 ~ 20	C'	2.1
20 ~ 40	C'	2.3
40 ~ 60	C'	2.4
60 ~ 80	C'	2.5
-40 ~ -20		1.9
-20 ~ 0		2.1
0 ~ 20		2.2
20 ~ 40		2.3
40 ~ 60		2.4
60 ~ 80		2.6
-40 ~ -20	D	2.1
-20 ~ 0	D	2.3
0 ~ 20	D	2.4
20 ~ 40	D	2.5
40 ~ 60	D	2.7
60 ~ 80	D	2.8
-40 ~ -20	e	2.4
-20 ~ 0	e	2.5
0 ~ 20	e	2.7
20 ~ 40	e	2.8
40 ~ 60	e	3
60 ~ 80	e	3.1
-40 ~ -20	F	3
-20 ~ 0	F	3.2
0 ~ 20	F	3.4
20 ~ 40	F	3.6
40 ~ 60	F	3.7
60 ~ 80	F	3.9
-40 ~ -20	g	3.7
-20 ~ 0	g	3.9
0 ~ 20	g	4.1
20 ~ 40	g	4.4
40 ~ 60	g	4.6
60 ~ 80	g	4.8