BAM 5 - O'Hara

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.607288 n_e = 1.610225	V_d = 49.18 V_e = 48.88	n_F - n_C = 0.012346 n_F' - n_C' = 0.012481	Coloring: 0.32 - 0.36 mkm.

Type: Schott
Spectral range: 0.3650146 - 1.01398 mkm.
C1 = 2.533703 C2 = -0.0090417017 C3 = 0.016851835 C4 = 0.00051005408 C5 = -0.000017651257 C6 = 0.0000018665437

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.594134
n _s	1.597271
n _r	1.601525
n _C	1.603595
n _C'	1.604179
n _0.6328	1.604725
n _D	1.607179
n _d	1.607288
n _e	1.610225
n _F	1.615941
n _F'	1.616660
n _g	1.622866
n _h	1.628721
n _i	1.638954
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.7663
P_C,A'	0.3338
P_d,C	0.2991
P_e,C	0.5369
P_g,d	1.2617
P_g,F	0.5609
P_h,g	0.4742
P_i,g	1.3030
P_C',t	0.8135
P_e,C'	0.4897
P_F',e	0.5212
P_i,F'	1.8057

transmittance: 10 mm
τ_0.37	0.937
τ_0.38	0.96
τ_0.39	0.974
τ_0.4	0.984
τ_0.42	0.988
τ_0.44	0.988
τ_0.46	0.991
τ_0.48	0.993
τ_0.5	0.995
τ_0.55	0.997
τ_0.6	0.995
τ_0.65	0.994
τ_0.7	0.996
τ_0.8	0.997
τ_0.9	0.997

Poisson coef.: 0.255
Rigidity: 305 Pa*10⁸
Young module: 764 Pa*10⁸
Knoop hardness: 500
Abrasion: 173

Climatic resistance: 2
Resistance to acids: 52.2
Phosphate resistance: 2.2

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
-30 ~ 70	81
100 ~ 300	91

Temperature coefs. of n_rel
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-40 ~ -20	t	1.9
-20 ~ 0	t	1.9
0 ~ 20	t	2.1
20 ~ 40	t	2.1
40 ~ 60	t	2.3
60 ~ 80	t	2.4
-40 ~ -20	C'	2.5
-20 ~ 0	C'	2.6
0 ~ 20	C'	2.7
20 ~ 40	C'	2.8
40 ~ 60	C'	3
60 ~ 80	C'	3.2
-40 ~ -20		2.5
-20 ~ 0		2.6
0 ~ 20		2.7
20 ~ 40		2.8
40 ~ 60		3
60 ~ 80		3.2
-40 ~ -20	D	2.7
-20 ~ 0	D	2.8
0 ~ 20	D	2.9
20 ~ 40	D	3
40 ~ 60	D	3.2
60 ~ 80	D	3.4
-40 ~ -20	e	3
-20 ~ 0	e	3
0 ~ 20	e	3.1
20 ~ 40	e	3.3
40 ~ 60	e	3.4
60 ~ 80	e	3.7
-40 ~ -20	F	3.4
-20 ~ 0	F	3.5
0 ~ 20	F	3.6
20 ~ 40	F	3.8
40 ~ 60	F	4
60 ~ 80	F	4.3
-40 ~ -20	g	3.9
-20 ~ 0	g	4
0 ~ 20	g	4.2
20 ~ 40	g	4.4
40 ~ 60	g	4.6
60 ~ 80	g	4.9