SSL 2 - O'Hara

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.529441 n_e = 1.531878	V_d = 51.72 V_e = 51.48	n_F - n_C = 0.010236 n_F' - n_C' = 0.010330	Coloring: 0.30 - 0.35 mkm.

Type: Schott
Spectral range: 0.3650146 - 1.01398 mkm.
C1 = 2.3006861 C2 = -0.0098822575 C3 = 0.013878959 C4 = 0.00016341277 C5 = 0.000014393331 C6 = -0.000000093322118

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.517956
n _s	1.520845
n _r	1.524574
n _C	1.526339
n _C'	1.526833
n _0.6328	1.527294
n _D	1.529350
n _d	1.529441
n _e	1.531878
n _F	1.536575
n _F'	1.537163
n _g	1.542216
n _h	1.546954
n _i	1.555163
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.8189
P_C,A'	0.3460
P_d,C	0.3030
P_e,C	0.5410
P_g,d	1.2480
P_g,F	0.5510
P_h,g	0.4629
P_i,g	1.2647
P_C',t	0.8671
P_e,C'	0.4928
P_F',e	0.5163
P_i,F'	1.7584

transmittance: 10 mm
τ_0.36	0.932
τ_0.37	0.958
τ_0.38	0.968
τ_0.39	0.982
τ_0.4	0.989
τ_0.42	0.992
τ_0.44	0.993
τ_0.46	0.995
τ_0.48	0.996
τ_0.5	0.997
τ_0.55	0.998
τ_0.6	0.997
τ_0.65	0.997
τ_0.7	0.998
τ_0.8	0.999
τ_0.9	0.999

Poisson coef.: 0.213
Rigidity: 223 Pa*10⁸
Young module: 540 Pa*10⁸
Knoop hardness: 470
Abrasion: 114

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	54
100 ~ 300	60

Temperature coefs. of n_rel
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-40 ~ -20	C'	3.9
-20 ~ 0	C'	4
0 ~ 20	C'	4.2
20 ~ 40	C'	4.4
40 ~ 60	C'	4.7
60 ~ 80	C'	5
-40 ~ -20	D	4
-20 ~ 0	D	4.2
0 ~ 20	D	4.3
20 ~ 40	D	4.6
40 ~ 60	D	4.8
60 ~ 80	D	5.1
-40 ~ -20	e	4.2
-20 ~ 0	e	4.3
0 ~ 20	e	4.5
20 ~ 40	e	4.7
40 ~ 60	e	4.9
60 ~ 80	e	5.2
-40 ~ -20	F	4.4
-20 ~ 0	F	4.6
0 ~ 20	F	4.8
20 ~ 40	F	5.1
40 ~ 60	F	5.5
60 ~ 80	F	5.8
-40 ~ -20	g	4.8
-20 ~ 0	g	5
0 ~ 20	g	5.2
20 ~ 40	g	5.5
40 ~ 60	g	5.8
60 ~ 80	g	6.2