LLF8 - Sumita

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.532563 n_e = 1.535308	V_d = 46.00 V_e = 45.69	n_F - n_C = 0.011575 n_F' - n_C' = 0.011714	Coloring: 0.34 - 0.37 mkm.

Type: Schott
Spectral range: 0.3650146 - 1.01398 mkm.
C1 = 2.3042425 C2 = -0.0084107787 C3 = 0.015755637 C4 = 0.000083220729 C5 = 0.000045033107 C6 = -0.00000026827948

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.520210
n _s	1.523190
n _r	1.527186
n _C	1.529119
n _C'	1.529663
n _0.6328	1.530173
n _D	1.532461
n _d	1.532563
n _e	1.535308
n _F	1.540694
n _F'	1.541377
n _g	1.547340
n _h	1.553084
n _i	1.563410
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.7696
P_C,A'	0.3329
P_d,C	0.2975
P_e,C	0.5346
P_g,d	1.2765
P_g,F	0.5741
P_h,g	0.4962
P_i,g	1.3883
P_C',t	0.8167
P_e,C'	0.4876
P_F',e	0.5243
P_i,F'	1.9034

transmittance: 10 mm
τ_0.34	0.032
τ_0.35	0.162
τ_0.36	0.631
τ_0.37	0.833
τ_0.38	0.915
τ_0.39	0.957
τ_0.4	0.968
τ_0.42	0.981
τ_0.44	0.982
τ_0.46	0.985
τ_0.48	0.985
τ_0.5	0.985
τ_0.55	0.988
τ_0.6	0.988
τ_0.65	0.988
τ_0.7	0.988
τ_0.8	0.997
τ_1.06	0.998
τ_1.5	0.988
τ₂	0.977

transmittance: 25 mm
τ_0.35	0.01
τ_0.36	0.317
τ_0.37	0.633
τ_0.38	0.801
τ_0.39	0.896
τ_0.4	0.923
τ_0.42	0.954
τ_0.44	0.957
τ_0.46	0.964
τ_0.48	0.964
τ_0.5	0.964
τ_0.55	0.971
τ_0.6	0.971
τ_0.65	0.971
τ_0.7	0.971
τ_0.8	0.992
τ_1.06	0.996
τ_1.5	0.971
τ₂	0.944

Poisson coef.: 0.243
Rigidity: 241 Pa*10⁸
Young module: 599 Pa*10⁸
Knoop hardness: 475
Abrasion: 140

Climatic resistance: 1
Resistance to acids: 1

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	96