LAC13 - Hoya

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.693504 n_e = 1.696602	V_d = 53.34 V_e = 53.11	n_F - n_C = 0.013000 n_F' - n_C' = 0.013114	Coloring: 0.30 - 0.37 mkm.

Type: Schott
Spectral range: 0.36501 - 1.014 mkm.
C1 = 2.8125316 C2 = -0.012915271 C3 = 0.019960339 C4 = 0.00019877888 C5 = 0.000017647061 C6 = -0.00000044767632

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.678949
n _s	1.682577
n _r	1.687306
n _C	1.689554
n _C'	1.690182
n _0.6328	1.690770
n _D	1.693388
n _d	1.693504
n _e	1.696602
n _F	1.702554
n _F'	1.703297
n _g	1.709648
n _h	1.715553
n _i	1.725648
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.8157
P_C,A'	0.3465
P_d,C	0.3038
P_e,C	0.5421
P_g,d	1.2418
P_g,F	0.5456
P_h,g	0.4541
P_i,g	1.2306
P_C',t	0.8640
P_e,C'	0.4938
P_F',e	0.5149
P_i,F'	1.7191

transmittance: 5 mm
τ_1.55	0.994
τ_1.5	0.993
τ_1.4	0.991
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	0.998
τ_0.48	0.998
τ_0.46	0.998
τ_0.44	0.997
τ_0.42	0.995
τ_0.4	0.99
τ_0.39	0.985
τ_0.38	0.976
τ_0.37	0.96
τ_0.36	0.93
τ_0.35	0.89
τ_0.34	0.82
τ_0.33	0.72
τ_0.32	0.59
τ_0.31	0.39
τ_0.3	0.16
τ_0.29	0.06

transmittance: 10 mm
τ_1.55	0.988
τ_1.5	0.986
τ_1.4	0.982
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	0.998
τ_0.6	0.998
τ_0.55	0.999
τ_0.5	0.997
τ_0.48	0.996
τ_0.46	0.995
τ_0.44	0.993
τ_0.42	0.99
τ_0.4	0.98
τ_0.39	0.97
τ_0.38	0.952
τ_0.37	0.921
τ_0.36	0.87
τ_0.35	0.79
τ_0.34	0.67
τ_0.33	0.52
τ_0.32	0.34
τ_0.31	0.16
τ_0.3	0.03

Poisson coef.: 0.269
Rigidity: 450 Pa*10⁸
Young module: 1045 Pa*10⁸
Knoop hardness: 700
Optical stress coef.: 2.08 1/Pa*10¹²
Abrasion: 70

Staining: 4
Resistance to acids: 4

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
-30 ~ 70	53
100 ~ 300	66

Temperature coefs. of n_abs
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-40 ~ -20		3
-20 ~ 0		3.3
0 ~ 20		3.7
20 ~ 40		4
40 ~ 60		4.3
60 ~ 80		4.5

Temperature coefs. of n_rel
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-40 ~ -20		5.3
-20 ~ 0		5.3
0 ~ 20		5.3
20 ~ 40		5.4
40 ~ 60		5.5
60 ~ 80		5.7