SSL 5 - O'Hara

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.521299 n_e = 1.523661	V_d = 52.55 V_e = 52.31	n_F - n_C = 0.009919 n_F' - n_C' = 0.010009	Coloring: 0.30 - 0.35 mkm.

Type: Schott
Spectral range: 0.3650146 - 1.01398 mkm.
C1 = 2.279329 C2 = -0.010732907 C3 = 0.012001392 C4 = 0.00058141137 C5 = -0.000046205948 C6 = 0.0000029557679

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.510124
n _s	1.512963
n _r	1.516582
n _C	1.518292
n _C'	1.518771
n _0.6328	1.519217
n _D	1.521210
n _d	1.521299
n _e	1.523661
n _F	1.528212
n _F'	1.528781
n _g	1.533660
n _h	1.538224
n _i	1.546147
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.8234
P_C,A'	0.3460
P_d,C	0.3030
P_e,C	0.5412
P_g,d	1.2461
P_g,F	0.5492
P_h,g	0.4601
P_i,g	1.2588
P_C',t	0.8716
P_e,C'	0.4930
P_F',e	0.5161
P_i,F'	1.7507

transmittance: 10 mm
τ_0.37	0.921
τ_0.38	0.945
τ_0.39	0.965
τ_0.4	0.978
τ_0.42	0.99
τ_0.44	0.991
τ_0.46	0.994
τ_0.48	0.996
τ_0.5	0.997
τ_0.55	0.998
τ_0.6	0.998
τ_0.65	0.997
τ_0.7	0.998
τ_0.8	0.999
τ_0.9	0.999

Poisson coef.: 0.215
Rigidity: 218 Pa*10⁸
Young module: 530 Pa*10⁸
Knoop hardness: 460
Abrasion: 111

Climatic resistance: 2
Resistance to acids: 2.1
Phosphate resistance: 2

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
-30 ~ 70	53
100 ~ 300	59

Temperature coefs. of n_rel
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-40 ~ -20	C'	3.8
-20 ~ 0	C'	4
0 ~ 20	C'	4.2
20 ~ 40	C'	4.5
40 ~ 60	C'	4.8
60 ~ 80	C'	5.1
-40 ~ -20	D	4
-20 ~ 0	D	4.1
0 ~ 20	D	4.4
20 ~ 40	D	4.6
40 ~ 60	D	4.9
60 ~ 80	D	5.3
-40 ~ -20	e	4.1
-20 ~ 0	e	4.3
0 ~ 20	e	4.5
20 ~ 40	e	4.8
40 ~ 60	e	5.1
60 ~ 80	e	5.4
-40 ~ -20	F	4.5
-20 ~ 0	F	4.6
0 ~ 20	F	4.9
20 ~ 40	F	5.1
40 ~ 60	F	5.4
60 ~ 80	F	5.8
-40 ~ -20	g	4.7
-20 ~ 0	g	4.9
0 ~ 20	g	5.2
20 ~ 40	g	5.5
40 ~ 60	g	5.9
60 ~ 80	g	6.3