PBH10 - O'Hara

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.728249 n_e = 1.734290	V_d = 28.46 V_e = 28.23	n_F - n_C = 0.025586 n_F' - n_C' = 0.026002	Coloring: 0.37 - 0.42 mkm.

Type: Schott
Spectral range: 0.4046561 - 1.01398 mkm.
C1 = 2.8778739 C2 = -0.010244063 C3 = 0.033846634 C4 = 0.0018336135 C5 = -0.000078721902 C6 = 0.000014142908

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.703506
n _s	1.708910
n _r	1.716834
n _C	1.720859
n _C'	1.722010
n _0.6328	1.723094
n _D	1.728027
n _d	1.728249
n _e	1.734290
n _F	1.746446
n _F'	1.748012
n _g	1.761905
n _h	1.775676
n _i	-----
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.6782
P_C,A'	0.3093
P_d,C	0.2888
P_e,C	0.5249
P_g,d	1.3153
P_g,F	0.6041
P_h,g	0.5382
P_i,g	-----
P_C',t	0.7231
P_e,C'	0.4799
P_F',e	0.5363
P_i,F'	-----

transmittance: 10 mm
τ_0.42	0.944
τ_0.44	0.973
τ_0.46	0.984
τ_0.48	0.989
τ_0.5	0.993
τ_0.55	0.997
τ_0.6	0.996
τ_0.65	0.995
τ_0.7	0.996
τ_0.8	0.999
τ_0.9	0.999

Poisson coef.: 0.23
Rigidity: 252 Pa*10⁸
Young module: 620 Pa*10⁸
Knoop hardness: 400
Abrasion: 158

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

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
-30 ~ 70	71
100 ~ 300	81

Temperature coefs. of n_rel
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-40 ~ -20	C'	6.8
-20 ~ 0	C'	7.1
0 ~ 20	C'	7.3
20 ~ 40	C'	7.6
40 ~ 60	C'	8.1
60 ~ 80	C'	8.6
-40 ~ -20	D	7.4
-20 ~ 0	D	7.6
0 ~ 20	D	7.8
20 ~ 40	D	8.1
40 ~ 60	D	8.5
60 ~ 80	D	9.1
-40 ~ -20	e	8
-20 ~ 0	e	8.2
0 ~ 20	e	8.5
20 ~ 40	e	8.8
40 ~ 60	e	9.3
60 ~ 80	e	9.9
-40 ~ -20	F	9.4
-20 ~ 0	F	9.7
0 ~ 20	F	10
20 ~ 40	F	10.4
40 ~ 60	F	11
60 ~ 80	F	11.7
-40 ~ -20	g	11
-20 ~ 0	g	11.4
0 ~ 20	g	11.8
20 ~ 40	g	12.3
40 ~ 60	g	13
60 ~ 80	g	13.7