PBH11 - O'Hara

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.784717 n_e = 1.791913	V_d = 25.71 V_e = 25.50	n_F - n_C = 0.030518 n_F' - n_C' = 0.031045	Coloring: 0.38 - 0.43 mkm.

Type: Schott
Spectral range: 0.4046561 - 1.01398 mkm.
C1 = 3.0523317 C2 = -0.010699896 C3 = 0.040026761 C4 = 0.0027411266 C5 = -0.00016825655 C6 = 0.00002453957

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.755768
n _s	1.761969
n _r	1.771220
n _C	1.775962
n _C'	1.777322
n _0.6328	1.778604
n _D	1.784454
n _d	1.784717
n _e	1.791913
n _F	1.806481
n _F'	1.808367
n _g	1.825182
n _h	1.842027
n _i	-----
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.6617
P_C,A'	0.3046
P_d,C	0.2868
P_e,C	0.5226
P_g,d	1.3258
P_g,F	0.6127
P_h,g	0.5519
P_i,g	-----
P_C',t	0.7062
P_e,C'	0.4781
P_F',e	0.5391
P_i,F'	-----

transmittance: 10 mm
τ_0.44	0.955
τ_0.46	0.976
τ_0.48	0.986
τ_0.5	0.992
τ_0.55	0.996
τ_0.6	0.996
τ_0.65	0.994
τ_0.7	0.996

Poisson coef.: 0.24
Rigidity: 240 Pa*10⁸
Young module: 594 Pa*10⁸
Knoop hardness: 390
Abrasion: 202

Climatic resistance: 1
Resistance to acids: 1.2
Phosphate resistance: 1.2

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
-30 ~ 70	74
100 ~ 300	84