S-NSL36 - O'Hara

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.517416 n_e = 1.519764	V_d = 52.43 V_e = 52.14	n_F - n_C = 0.009868 n_F' - n_C' = 0.009967	Coloring: 0.34 - 0.36 mkm.

Type: Sellmeier
Spectral range: 0.3650146 - 2.325 mkm.
C1 = 1.09666153 C2 = 0.168990073 C3 = 1.20580827 C4 = 0.00667491123 C5 = 0.033609545 C6 = 141.668738

Refraction index
n _2.3254	-----
n _1.9701	1.495008
n _1.5296	1.500334
n _1.06	1.505913
n _t	1.506556
n _s	1.509243
n _r	1.512762
n _C	1.514444
n _C'	1.514915
n _0.6328	1.515357
n _D	1.517329
n _d	1.517416
n _e	1.519764
n _F	1.524312
n _F'	1.524883
n _g	1.529804
n _h	1.534439
n _i	1.542519
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.7992
P_C,A'	0.3410
P_d,C	0.3012
P_e,C	0.5391
P_g,d	1.2552
P_g,F	0.5564
P_h,g	0.4696
P_i,g	1.2884
P_C',t	0.8470
P_e,C'	0.4913
P_F',e	0.5187
P_i,F'	1.7870

transmittance: 10 mm
τ_0.34	0.18
τ_0.35	0.57
τ_0.36	0.81
τ_0.37	0.917
τ_0.38	0.96
τ_0.39	0.98
τ_0.4	0.989
τ_0.42	0.995
τ_0.44	0.996
τ_0.46	0.997
τ_0.48	0.998
τ_0.5	0.998
τ_0.55	0.999
τ_0.6	0.999
τ_0.65	0.998
τ_0.7	0.998
τ_0.8	0.999
τ_0.9	0.998
τ₁	0.998
τ_1.2	0.998
τ_1.4	0.996
τ_1.6	0.994
τ_1.8	0.978
τ₂	0.95
τ_2.2	0.89
τ_2.4	0.86

Poisson coef.: 0.139
Rigidity: 281 Pa*10⁸
Young module: 640 Pa*10⁸
Knoop hardness: 480
Abrasion: 103

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	80
100 ~ 300	93

Temperature coefs. of n_rel
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-40 ~ -20	t	1.8
-20 ~ 0	t	1.8
0 ~ 20	t	1.8
20 ~ 40	t	1.9
40 ~ 60	t	1.9
60 ~ 80	t	1.9
-40 ~ -20	C'	2.2
-20 ~ 0	C'	2.2
0 ~ 20	C'	2.2
20 ~ 40	C'	2.3
40 ~ 60	C'	2.3
60 ~ 80	C'	2.3
-40 ~ -20		2.2
-20 ~ 0		2.2
0 ~ 20		2.3
20 ~ 40		2.3
40 ~ 60		2.3
60 ~ 80		2.3
-40 ~ -20	D	2.3
-20 ~ 0	D	2.3
0 ~ 20	D	2.4
20 ~ 40	D	2.4
40 ~ 60	D	2.5
60 ~ 80	D	2.5
-40 ~ -20	e	2.5
-20 ~ 0	e	2.5
0 ~ 20	e	2.6
20 ~ 40	e	2.6
40 ~ 60	e	2.7
60 ~ 80	e	2.7
-40 ~ -20	F	2.8
-20 ~ 0	F	2.9
0 ~ 20	F	2.9
20 ~ 40	F	3
40 ~ 60	F	3.1
60 ~ 80	F	3.1
-40 ~ -20	g	3.2
-20 ~ 0	g	3.3
0 ~ 20	g	3.3
20 ~ 40	g	3.4
40 ~ 60	g	3.5
60 ~ 80	g	3.6