PBL22 - O'Hara

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.589206 n_e = 1.592609	V_d = 41.07 V_e = 40.80	n_F - n_C = 0.014343 n_F' - n_C' = 0.014523	Coloring: 0.32 - 0.35 mkm.

Type: Schott
Spectral range: 0.3650146 - 1.01398 mkm.
C1 = 2.466622 C2 = -0.0076071728 C3 = 0.02016524 C4 = 0.00028279173 C5 = 0.000030879156 C6 = 0.00000066471743

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.574392
n _s	1.577811
n _r	1.582597
n _C	1.584959
n _C'	1.585627
n _0.6328	1.586254
n _D	1.589080
n _d	1.589206
n _e	1.592609
n _F	1.599302
n _F'	1.600151
n _g	1.607541
n _h	1.614629
n _i	1.627284
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.7367
P_C,A'	0.3265
P_d,C	0.2960
P_e,C	0.5333
P_g,d	1.2783
P_g,F	0.5744
P_h,g	0.4941
P_i,g	1.3764
P_C',t	0.7833
P_e,C'	0.4867
P_F',e	0.5257
P_i,F'	1.8917

transmittance: 10 mm
τ_0.35	0.906
τ_0.36	0.953
τ_0.37	0.973
τ_0.38	0.98
τ_0.39	0.989
τ_0.4	0.994
τ_0.42	0.996
τ_0.44	0.995
τ_0.46	0.996
τ_0.48	0.997
τ_0.5	0.997
τ_0.55	0.998
τ_0.6	0.997
τ_0.65	0.997
τ_0.7	0.998
τ_0.8	0.998
τ_0.9	0.998

Poisson coef.: 0.225
Rigidity: 248 Pa*10⁸
Young module: 607 Pa*10⁸
Knoop hardness: 460
Abrasion: 148

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	91
100 ~ 300	100

Temperature coefs. of n_rel
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-40 ~ -20	C'	1.4
-20 ~ 0	C'	1.5
0 ~ 20	C'	1.6
20 ~ 40	C'	1.8
40 ~ 60	C'	2
60 ~ 80	C'	2.3
-40 ~ -20	D	1.7
-20 ~ 0	D	1.8
0 ~ 20	D	1.9
20 ~ 40	D	2.1
40 ~ 60	D	2.3
60 ~ 80	D	2.5
-40 ~ -20	e	2
-20 ~ 0	e	2.1
0 ~ 20	e	2.2
20 ~ 40	e	2.3
40 ~ 60	e	2.5
60 ~ 80	e	2.8
-40 ~ -20	F	2.5
-20 ~ 0	F	2.7
0 ~ 20	F	2.8
20 ~ 40	F	3
40 ~ 60	F	3.2
60 ~ 80	F	3.6
-40 ~ -20	g	3.2
-20 ~ 0	g	3.3
0 ~ 20	g	3.5
20 ~ 40	g	3.7
40 ~ 60	g	4
60 ~ 80	g	4.3