BACED5 - Hoya

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.658435 n_e = 1.661516	V_d = 50.85 V_e = 50.56	n_F - n_C = 0.012947 n_F' - n_C' = 0.013081	Coloring: 0.33 - 0.37 mkm.

Type: Schott
Spectral range: 0.36501 - 1.014 mkm.
C1 = 2.6934245 C2 = -0.008637014 C3 = 0.02049645 C4 = -0.000093205453 C5 = 0.000062709747 C6 = -0.0000020834652

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.644520
n _s	1.647835
n _r	1.652353
n _C	1.654544
n _C'	1.655160
n _0.6328	1.655737
n _D	1.658321
n _d	1.658435
n _e	1.661516
n _F	1.667491
n _F'	1.668241
n _g	1.674710
n _h	1.680800
n _i	1.691378
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.7741
P_C,A'	0.3373
P_d,C	0.3005
P_e,C	0.5385
P_g,d	1.2569
P_g,F	0.5575
P_h,g	0.4704
P_i,g	1.2874
P_C',t	0.8217
P_e,C'	0.4909
P_F',e	0.5194
P_i,F'	1.7869

transmittance: 5 mm
τ_1.55	0.998
τ_1.5	0.998
τ_1.4	0.997
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	0.998
τ_0.7	0.998
τ_0.65	0.998
τ_0.6	0.998
τ_0.55	0.999
τ_0.5	0.998
τ_0.48	0.998
τ_0.46	0.996
τ_0.44	0.995
τ_0.42	0.995
τ_0.4	0.99
τ_0.39	0.984
τ_0.38	0.971
τ_0.37	0.947
τ_0.36	0.89
τ_0.35	0.77
τ_0.34	0.57
τ_0.33	0.31
τ_0.32	0.11

transmittance: 10 mm
τ_1.55	0.995
τ_1.5	0.995
τ_1.4	0.995
τ_1.3	0.998
τ_1.2	0.999
τ_1.1	0.999
τ_1.06	0.998
τ_1.05	0.998
τ₁	0.998
τ_0.95	0.998
τ_0.9	0.998
τ_0.85	0.999
τ_0.83	0.998
τ_0.8	0.998
τ_0.78	0.998
τ_0.75	0.998
τ_0.7	0.997
τ_0.65	0.996
τ_0.6	0.997
τ_0.55	0.998
τ_0.5	0.997
τ_0.48	0.995
τ_0.46	0.993
τ_0.44	0.991
τ_0.42	0.989
τ_0.4	0.98
τ_0.39	0.967
τ_0.38	0.943
τ_0.37	0.897
τ_0.36	0.79
τ_0.35	0.59
τ_0.34	0.32
τ_0.33	0.1
τ_0.32	0.01

Poisson coef.: 0.277
Rigidity: 366 Pa*10⁸
Young module: 935 Pa*10⁸
Knoop hardness: 580
Optical stress coef.: 1.89 1/Pa*10¹²
Abrasion: 150

Staining: 3
Resistance to acids: 3

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
-30 ~ 70	72
100 ~ 300	86

Temperature coefs. of n_abs
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-40 ~ -20		1.3
-20 ~ 0		1.6
0 ~ 20		2
20 ~ 40		2.3
40 ~ 60		2.6
60 ~ 80		2.9

Temperature coefs. of n_rel
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-40 ~ -20		3.5
-20 ~ 0		3.6
0 ~ 20		3.6
20 ~ 40		3.7
40 ~ 60		3.9
60 ~ 80		4