NSL33 - O'Hara

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.514536 n_e = 1.516776	V_d = 54.71 V_e = 54.43	n_F - n_C = 0.009404 n_F' - n_C' = 0.009493	Coloring: 0.30 - 0.33 mkm.

Type: Schott
Spectral range: 0.3650146 - 1.01398 mkm.
C1 = 2.2582399 C2 = -0.0079875836 C3 = 0.012575688 C4 = 0.00022130477 C5 = 0.0000010685962 C6 = 0.00000039764383

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.504150
n _s	1.506712
n _r	1.510082
n _C	1.511693
n _C'	1.512144
n _0.6328	1.512566
n _D	1.514452
n _d	1.514536
n _e	1.516776
n _F	1.521097
n _F'	1.521637
n _g	1.526277
n _h	1.530614
n _i	1.538097
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.8020
P_C,A'	0.3427
P_d,C	0.3023
P_e,C	0.5405
P_g,d	1.2485
P_g,F	0.5508
P_h,g	0.4612
P_i,g	1.2569
P_C',t	0.8500
P_e,C'	0.4924
P_F',e	0.5169
P_i,F'	1.7502

transmittance: 10 mm
τ_0.34	0.933
τ_0.35	0.969
τ_0.36	0.984
τ_0.37	0.988
τ_0.38	0.988
τ_0.39	0.994
τ_0.4	0.995
τ_0.42	0.995
τ_0.44	0.994
τ_0.46	0.996
τ_0.48	0.996
τ_0.5	0.997
τ_0.55	0.997
τ_0.6	0.996
τ_0.65	0.995
τ_0.7	0.996
τ_0.8	0.995
τ_0.9	0.994
τ_2.5	0.73
τ_2.3254	0.86
τ_1.9701	0.967
τ_1.5296	0.992
τ_1.06	0.998
τ_0.66	0.996
τ_0.62	0.995
τ_0.58	0.995
τ_0.54607	0.995
τ_0.4358	0.976
τ_0.4047	0.95
τ_0.365	0.58

transmittance: 25 mm
τ_2.5	0.45
τ_2.3254	0.68
τ_1.9701	0.92
τ_1.5296	0.98
τ_1.06	0.994
τ_0.7	0.993
τ_0.66	0.989
τ_0.62	0.987
τ_0.58	0.988
τ_0.54607	0.987
τ_0.5	0.978
τ_0.46	0.96
τ_0.4358	0.94
τ_0.42	0.92
τ_0.4047	0.88
τ_0.4	0.86
τ_0.39	0.77
τ_0.38	0.63
τ_0.37	0.4
τ_0.365	0.26
τ_0.35	0.01

Poisson coef.: 0.216
Rigidity: 259 Pa*10⁸
Young module: 631 Pa*10⁸
Knoop hardness: 420
Abrasion: 102

Climatic resistance: 2
Resistance to acids: 1
Phosphate resistance: 1

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
-30 ~ 70	91
100 ~ 300	107
20 ~ 300	70

Temperature coefs. of n_abs
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-40 ~ -20		1.5
20 ~ 40		2.4
60 ~ 80		2.9
-40 ~ -20	e	2.4
20 ~ 40	e	3.5
60 ~ 80	e	4.1
-40 ~ -20	g	3.3
20 ~ 40	g	4.5
60 ~ 80	g	5.3

Temperature coefs. of n_rel
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-40 ~ -20	C'	1.5
-20 ~ 0	C'	1.5
0 ~ 20	C'	1.6
20 ~ 40	C'	1.7
40 ~ 60	C'	1.8
60 ~ 80	C'	2
-40 ~ -20	D	1.7
-20 ~ 0	D	1.7
0 ~ 20	D	1.7
20 ~ 40	D	1.8
40 ~ 60	D	1.9
60 ~ 80	D	2.1
-40 ~ -20	e	1.9
-20 ~ 0	e	1.9
0 ~ 20	e	1.9
20 ~ 40	e	2
40 ~ 60	e	2.1
60 ~ 80	e	2.2
-40 ~ -20	F	2.2
-20 ~ 0	F	2.2
0 ~ 20	F	2.3
20 ~ 40	F	2.4
40 ~ 60	F	2.5
60 ~ 80	F	2.7
-40 ~ -20	g	2.6
-20 ~ 0	g	2.6
0 ~ 20	g	2.7
20 ~ 40	g	2.8
40 ~ 60	g	2.9
60 ~ 80	g	3.1
-40 ~ -20		3.7
20 ~ 40		3.8
60 ~ 80		4