E-LAK7 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.651597 n_e = 1.654251	V_d = 58.54 V_e = 58.29	n_F - n_C = 0.011130 n_F' - n_C' = 0.011222	Coloring: 0.330 - 0.277 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 2.68241693 C2 = -0.0118445415 C3 = 0.016242269 C4 = 0.000303298585 C5 = -0.00000832486246 C6 = 0.000000774390846

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.646270
n _C	1.648205
n _C'	1.648745
n _0.6328	1.649250
n _D	1.651497
n _d	1.651597
n _e	1.654251
n _F	1.659335
n _F'	1.659968
n _g	1.665371
n _h	1.670377
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'	0.3490
P_d,C	0.3047
P_e,C	0.5432
P_g,d	1.2375
P_g,F	0.5422
P_h,g	0.4498
P_i,g	-----
P_C',t	-----
P_e,C'	0.4946
P_F',e	0.5136
P_i,F'	-----

transmittance: 10 mm
τ_0.28	0.05
τ_0.29	0.18
τ_0.3	0.35
τ_0.31	0.51
τ_0.32	0.65
τ_0.33	0.76
τ_0.34	0.85
τ_0.35	0.9
τ_0.36	0.935
τ_0.37	0.955
τ_0.38	0.968
τ_0.39	0.973
τ_0.4	0.977
τ_0.42	0.98
τ_0.44	0.982
τ_0.46	0.985
τ_0.48	0.986
τ_0.5	0.988
τ_0.55	0.99
τ_0.6	0.992
τ_0.65	0.994
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	0.996
τ_1.6	0.992
τ_1.8	0.98
τ₂	0.957
τ_2.2	0.87
τ_2.4	0.67

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	81