S-NSL 5 - O'Hara

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.522493 n_e = 1.524575	V_d = 59.83 V_e = 59.57	n_F - n_C = 0.008732 n_F' - n_C' = 0.008805	Coloring: 0.32 - 0.35 mkm.

Type: Sellmeier
Spectral range: 0.3650146 - 2.325 mkm.
C1 = 1.04574577 C2 = 0.239613026 C3 = 1.1590685 C4 = 0.0058523228 C5 = 0.0236858752 C6 = 131.329061

Refraction index
n _2.3254	-----
n _1.9701	1.501036
n _1.5296	1.506455
n _1.06	1.511949
n _t	1.512563
n _s	1.515088
n _r	1.518314
n _C	1.519833
n _C'	1.520257
n _0.6328	1.520653
n _D	1.522416
n _d	1.522493
n _e	1.524575
n _F	1.528566
n _F'	1.529063
n _g	1.533315
n _h	1.537268
n _i	1.544031
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.8325
P_C,A'	0.3497
P_d,C	0.3046
P_e,C	0.5429
P_g,d	1.2393
P_g,F	0.5439
P_h,g	0.4526
P_i,g	1.2271
P_C',t	0.8811
P_e,C'	0.4944
P_F',e	0.5139
P_i,F'	1.7141

transmittance: 10 mm
τ_0.32	0.04
τ_0.33	0.32
τ_0.34	0.67
τ_0.35	0.86
τ_0.36	0.941
τ_0.37	0.972
τ_0.38	0.984
τ_0.39	0.992
τ_0.4	0.995
τ_0.42	0.996
τ_0.44	0.996
τ_0.46	0.996
τ_0.48	0.997
τ_0.5	0.998
τ_0.55	0.998
τ_0.6	0.998
τ_0.65	0.997
τ_0.7	0.998
τ_0.8	0.998
τ_0.9	0.998
τ₁	0.998
τ_1.2	0.997
τ_1.4	0.988
τ_1.6	0.992
τ_1.8	0.972
τ₂	0.939
τ_2.2	0.86
τ_2.4	0.81

Poisson coef.: 0.14
Rigidity: 303 Pa*10⁸
Young module: 691 Pa*10⁸
Knoop hardness: 540
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	82
100 ~ 300	95

Temperature coefs. of n_rel
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-40 ~ -20	t	1
-20 ~ 0	t	1
0 ~ 20	t	1
20 ~ 40	t	1
40 ~ 60	t	1
60 ~ 80	t	1.1
-40 ~ -20	C'	1.1
-20 ~ 0	C'	1.2
0 ~ 20	C'	1.2
20 ~ 40	C'	1.3
40 ~ 60	C'	1.4
60 ~ 80	C'	1.4
-40 ~ -20		1.2
-20 ~ 0		1.2
0 ~ 20		1.3
20 ~ 40		1.3
40 ~ 60		1.4
60 ~ 80		1.4
-40 ~ -20	D	1.2
-20 ~ 0	D	1.3
0 ~ 20	D	1.4
20 ~ 40	D	1.4
40 ~ 60	D	1.5
60 ~ 80	D	1.5
-40 ~ -20	e	1.4
-20 ~ 0	e	1.4
0 ~ 20	e	1.5
20 ~ 40	e	1.6
40 ~ 60	e	1.6
60 ~ 80	e	1.7
-40 ~ -20	F	1.6
-20 ~ 0	F	1.7
0 ~ 20	F	1.8
20 ~ 40	F	1.9
40 ~ 60	F	2
60 ~ 80	F	2
-40 ~ -20	g	1.9
-20 ~ 0	g	2
0 ~ 20	g	2.1
20 ~ 40	g	2.2
40 ~ 60	g	2.3
60 ~ 80	g	2.4