E-BACD10 - Hoya

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.622799 n_e = 1.625409	V_d = 56.91 V_e = 56.62	n_F - n_C = 0.010943 n_F' - n_C' = 0.011044	Coloring: 0.30 - 0.35 mkm.

Type: Schott
Spectral range: 0.36501 - 1.014 mkm.
C1 = 2.5906326 C2 = -0.010608994 C3 = 0.014490916 C4 = 0.00067542247 C5 = -0.000055303116 C6 = 0.0000030061364

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.610717
n _s	1.613702
n _r	1.617615
n _C	1.619489
n _C'	1.620014
n _0.6328	1.620506
n _D	1.622702
n _d	1.622799
n _e	1.625409
n _F	1.630432
n _F'	1.631059
n _g	1.636418
n _h	1.641391
n _i	1.649904
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.8015
P_C,A'	0.3423
P_d,C	0.3025
P_e,C	0.5409
P_g,d	1.2444
P_g,F	0.5469
P_h,g	0.4544
P_i,g	1.2324
P_C',t	0.8495
P_e,C'	0.4929
P_F',e	0.5163
P_i,F'	1.7220

transmittance: 5 mm
τ_1.55	0.997
τ_1.5	0.997
τ_1.4	0.996
τ_1.3	0.999
τ_1.2	0.999
τ_1.1	0.999
τ_1.06	0.999
τ_1.05	0.999
τ₁	0.999
τ_0.95	0.999
τ_0.9	0.999
τ_0.85	0.999
τ_0.83	0.999
τ_0.8	0.999
τ_0.78	0.999
τ_0.75	0.999
τ_0.7	0.999
τ_0.65	0.999
τ_0.6	0.999
τ_0.55	0.999
τ_0.5	0.999
τ_0.48	0.999
τ_0.46	0.999
τ_0.44	0.999
τ_0.42	0.999
τ_0.4	0.997
τ_0.39	0.994
τ_0.38	0.991
τ_0.37	0.983
τ_0.36	0.968
τ_0.35	0.94
τ_0.34	0.89
τ_0.33	0.81
τ_0.32	0.68
τ_0.31	0.5
τ_0.3	0.28
τ_0.29	0.11
τ_0.28	0.03

transmittance: 10 mm
τ_1.55	0.995
τ_1.5	0.994
τ_1.4	0.992
τ_1.3	0.998
τ_1.2	0.999
τ_1.1	0.999
τ_1.06	0.999
τ_1.05	0.999
τ₁	0.999
τ_0.95	0.999
τ_0.9	0.999
τ_0.85	0.999
τ_0.83	0.999
τ_0.8	0.999
τ_0.78	0.999
τ_0.75	0.999
τ_0.7	0.999
τ_0.65	0.999
τ_0.6	0.999
τ_0.55	0.999
τ_0.5	0.999
τ_0.48	0.999
τ_0.46	0.999
τ_0.44	0.998
τ_0.42	0.998
τ_0.4	0.994
τ_0.39	0.989
τ_0.38	0.983
τ_0.37	0.967
τ_0.36	0.938
τ_0.35	0.884
τ_0.34	0.8
τ_0.33	0.66
τ_0.32	0.47
τ_0.31	0.25
τ_0.3	0.08
τ_0.29	0.01

Poisson coef.: 0.276
Rigidity: 315 Pa*10⁸
Young module: 802 Pa*10⁸
Knoop hardness: 535
Abrasion: 140

Staining: 4
Resistance to acids: 4

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
-30 ~ 70	67
100 ~ 300	80

Temperature coefs. of n_abs
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-40 ~ -20		0.2
-20 ~ 0		0.7
0 ~ 20		1.1
20 ~ 40		1.4
40 ~ 60		1.8
60 ~ 80		2.1

Temperature coefs. of n_rel
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-40 ~ -20		2.4
-20 ~ 0		2.5
0 ~ 20		2.7
20 ~ 40		2.8
40 ~ 60		3
60 ~ 80		3.2