E-BAK2 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.539956 n_e = 1.542121	V_d = 59.45 V_e = 59.18	n_F - n_C = 0.009081 n_F' - n_C' = 0.009159	Coloring: 0.320 - 0.288 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 2.33664322 C2 = -0.00862588382 C3 = 0.0125079902 C4 = 0.000175550187 C5 = 0.00000402268677 C6 = -0.0000000358785019

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.535620
n _C	1.537193
n _C'	1.537633
n _0.6328	1.538044
n _D	1.539875
n _d	1.539956
n _e	1.542121
n _F	1.546275
n _F'	1.546793
n _g	1.551218
n _h	1.555323
n _i	-----
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	-----
P_C,A'	0.3475
P_d,C	0.3041
P_e,C	0.5425
P_g,d	1.2400
P_g,F	0.5442
P_h,g	0.4520
P_i,g	-----
P_C',t	-----
P_e,C'	0.4941
P_F',e	0.5144
P_i,F'	-----

transmittance: 10 mm
τ_0.29	0.08
τ_0.3	0.33
τ_0.31	0.61
τ_0.32	0.82
τ_0.33	0.919
τ_0.34	0.972
τ_0.35	0.996
τ_0.36	0.999
τ_0.37	0.999
τ_0.38	0.999
τ_0.39	0.999
τ_0.4	0.999
τ_0.42	0.999
τ_0.44	0.999
τ_0.46	0.999
τ_0.48	0.999
τ_0.5	0.999
τ_0.55	0.999
τ_0.6	0.999
τ_0.65	0.999
τ_0.7	0.999
τ_0.8	0.999
τ_0.9	0.999
τ₁	0.999
τ_1.2	0.999
τ_1.4	0.999
τ_1.6	0.999
τ_1.8	0.999
τ₂	0.986
τ_2.2	0.925
τ_2.4	0.89

Knoop hardness: 524
Abrasion: 116

Resistance to acids: 1

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	85