NSL36 - O'Hara

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.517416 n_e = 1.519766	V_d = 52.41 V_e = 52.13	n_F - n_C = 0.009872 n_F' - n_C' = 0.009969	Coloring: 0.30 - 0.33 mkm.

Type: Schott
Spectral range: 0.3650146 - 1.01398 mkm.
C1 = 2.2662081 C2 = -0.0088952487 C3 = 0.012603849 C4 = 0.00037585407 C5 = -0.000013858677 C6 = 0.00000128332

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.506540
n _s	1.509234
n _r	1.512757
n _C	1.514440
n _C'	1.514912
n _0.6328	1.515354
n _D	1.517329
n _d	1.517416
n _e	1.519766
n _F	1.524312
n _F'	1.524882
n _g	1.529788
n _h	1.534395
n _i	1.542402
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.8002
P_C,A'	0.3412
P_d,C	0.3014
P_e,C	0.5394
P_g,d	1.2531
P_g,F	0.5546
P_h,g	0.4666
P_i,g	1.2778
P_C',t	0.8480
P_e,C'	0.4916
P_F',e	0.5183
P_i,F'	1.7747

transmittance: 10 mm
τ_0.34	0.942
τ_0.35	0.971
τ_0.36	0.984
τ_0.37	0.988
τ_0.38	0.991
τ_0.39	0.995
τ_0.4	0.996
τ_0.42	0.996
τ_0.44	0.996
τ_0.46	0.997
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

Poisson coef.: 0.191
Rigidity: 265 Pa*10⁸
Young module: 632 Pa*10⁸
Knoop hardness: 470
Abrasion: 101

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	76
100 ~ 300	87

Temperature coefs. of n_rel
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-40 ~ -20	C'	2.9
-20 ~ 0	C'	2.9
0 ~ 20	C'	2.9
20 ~ 40	C'	3
40 ~ 60	C'	3.2
60 ~ 80	C'	3.3
-40 ~ -20	D	3
-20 ~ 0	D	3
0 ~ 20	D	3.1
20 ~ 40	D	3.2
40 ~ 60	D	3.4
60 ~ 80	D	3.5
-40 ~ -20	e	3.2
-20 ~ 0	e	3.2
0 ~ 20	e	3.3
20 ~ 40	e	3.4
40 ~ 60	e	3.5
60 ~ 80	e	3.7
-40 ~ -20	F	3.5
-20 ~ 0	F	3.6
0 ~ 20	F	3.7
20 ~ 40	F	3.8
40 ~ 60	F	4
60 ~ 80	F	4.2
-40 ~ -20	g	4
-20 ~ 0	g	4
0 ~ 20	g	4.1
20 ~ 40	g	4.3
40 ~ 60	g	4.4
60 ~ 80	g	4.7