TAFD5 - Hoya

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.834999 n_e = 1.839618	V_d = 42.98 V_e = 42.74	n_F - n_C = 0.019425 n_F' - n_C' = 0.019642	Coloring: 0.33 - 0.41 mkm.

Type: Schott
Spectral range: 0.36501 - 1.014 mkm.
C1 = 3.2729098 C2 = -0.012888257 C3 = 0.033451363 C4 = -0.000068221381 C5 = 0.00011215427 C6 = -0.0000040485659

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.814450
n _s	1.819277
n _r	1.825938
n _C	1.829192
n _C'	1.830110
n _0.6328	1.830969
n _D	1.834828
n _d	1.834999
n _e	1.839618
n _F	1.848618
n _F'	1.849752
n _g	1.859550
n _h	1.868811
n _i	1.884937
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.7589
P_C,A'	0.3332
P_d,C	0.2989
P_e,C	0.5366
P_g,d	1.2638
P_g,F	0.5627
P_h,g	0.4767
P_i,g	1.3068
P_C',t	0.8061
P_e,C'	0.4894
P_F',e	0.5216
P_i,F'	1.8112

transmittance: 5 mm
τ_1.55	0.997
τ_1.5	0.997
τ_1.4	0.998
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	0.998
τ_0.65	0.998
τ_0.6	0.998
τ_0.55	0.998
τ_0.5	0.998
τ_0.48	0.998
τ_0.46	0.993
τ_0.44	0.992
τ_0.42	0.989
τ_0.4	0.975
τ_0.39	0.96
τ_0.38	0.94
τ_0.37	0.9
τ_0.36	0.84
τ_0.35	0.75
τ_0.34	0.61
τ_0.33	0.39
τ_0.32	0.16
τ_0.31	0.05

transmittance: 10 mm
τ_1.55	0.995
τ_1.5	0.993
τ_1.4	0.996
τ_1.3	0.997
τ_1.2	0.997
τ_1.1	0.998
τ_1.06	0.997
τ_1.05	0.997
τ₁	0.998
τ_0.95	0.997
τ_0.9	0.999
τ_0.85	0.999
τ_0.83	0.999
τ_0.8	0.999
τ_0.78	0.998
τ_0.75	0.998
τ_0.7	0.997
τ_0.65	0.997
τ_0.6	0.997
τ_0.55	0.997
τ_0.5	0.997
τ_0.48	0.995
τ_0.46	0.986
τ_0.44	0.985
τ_0.42	0.978
τ_0.4	0.951
τ_0.39	0.93
τ_0.38	0.89
τ_0.37	0.81
τ_0.36	0.71
τ_0.35	0.57
τ_0.34	0.37
τ_0.33	0.15
τ_0.32	0.02

Poisson coef.: 0.299
Rigidity: 484 Pa*10⁸
Young module: 1259 Pa*10⁸
Knoop hardness: 790
Abrasion: 60

Staining: 1
Resistance to acids: 3

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
-30 ~ 70	64
100 ~ 300	79

Temperature coefs. of n_abs
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-40 ~ -20		2
-20 ~ 0		2.4
0 ~ 20		2.8
20 ~ 40		3.2
40 ~ 60		3.6
60 ~ 80		4

Temperature coefs. of n_rel
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-40 ~ -20		4.5
-20 ~ 0		4.5
0 ~ 20		4.6
20 ~ 40		4.8
40 ~ 60		5
60 ~ 80		5.2