S-PHM53 - O'Hara

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.603000 n_e = 1.605199	V_d = 65.44 V_e = 65.15	n_F - n_C = 0.009214 n_F' - n_C' = 0.009288	Coloring: 0.32 - 0.37 mkm.

Type: Sellmeier
Spectral range: 0.3650146 - 2.325 mkm.
C1 = 1.09775423 C2 = 0.434816432 C3 = 1.13894976 C4 = 0.01233694 C5 = -0.000372522903 C6 = 124.276984

Refraction index
n _2.3254	-----
n _1.9701	1.580921
n _1.5296	1.586337
n _1.06	1.591924
n _t	1.592558
n _s	1.595189
n _r	1.598584
n _C	1.600189
n _C'	1.600637
n _0.6328	1.601056
n _D	1.602918
n _d	1.603000
n _e	1.605199
n _F	1.609403
n _F'	1.609925
n _g	1.614380
n _h	1.618495
n _i	1.625470
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.8281
P_C,A'	0.3497
P_d,C	0.3051
P_e,C	0.5437
P_g,d	1.2350
P_g,F	0.5401
P_h,g	0.4465
P_i,g	1.2035
P_C',t	0.8767
P_e,C'	0.4950
P_F',e	0.5129
P_i,F'	1.6870

transmittance: 10 mm
τ_0.31	0.03
τ_0.32	0.1
τ_0.33	0.25
τ_0.34	0.45
τ_0.35	0.64
τ_0.36	0.78
τ_0.37	0.88
τ_0.38	0.935
τ_0.39	0.963
τ_0.4	0.977
τ_0.42	0.986
τ_0.44	0.987
τ_0.46	0.989
τ_0.48	0.992
τ_0.5	0.994
τ_0.55	0.998
τ_0.6	0.997
τ_0.65	0.996
τ_0.7	0.996
τ_0.8	0.997
τ_0.9	0.997
τ₁	0.996
τ_1.2	0.997
τ_1.4	0.993
τ_1.6	0.987
τ_1.8	0.967
τ₂	0.941
τ_2.2	0.87
τ_2.4	0.83

Poisson coef.: 0.285
Rigidity: 275 Pa*10⁸
Young module: 708 Pa*10⁸
Knoop hardness: 390
Abrasion: 378

Climatic resistance: 1
Resistance to acids: 51
Phosphate resistance: 4

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
-30 ~ 70	93
100 ~ 300	109

Temperature coefs. of n_rel
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-40 ~ -20	t	-3.1
-20 ~ 0	t	-3
0 ~ 20	t	-3
20 ~ 40	t	-2.9
40 ~ 60	t	-2.9
60 ~ 80	t	-2.7
-40 ~ -20	C'	-2.8
-20 ~ 0	C'	-2.8
0 ~ 20	C'	-2.7
20 ~ 40	C'	-2.6
40 ~ 60	C'	-2.5
60 ~ 80	C'	-2.3
-40 ~ -20		-2.8
-20 ~ 0		-2.8
0 ~ 20		-2.7
20 ~ 40		-2.6
40 ~ 60		-2.5
60 ~ 80		-2.3
-40 ~ -20	D	-2.7
-20 ~ 0	D	-2.7
0 ~ 20	D	-2.6
20 ~ 40	D	-2.5
40 ~ 60	D	-2.4
60 ~ 80	D	-2.2
-40 ~ -20	e	-2.6
-20 ~ 0	e	-2.6
0 ~ 20	e	-2.5
20 ~ 40	e	-2.4
40 ~ 60	e	-2.2
60 ~ 80	e	-2
-40 ~ -20	F	-2.4
-20 ~ 0	F	-2.4
0 ~ 20	F	-2.3
20 ~ 40	F	-2.1
40 ~ 60	F	-1.9
60 ~ 80	F	-1.7
-40 ~ -20	g	-2.2
-20 ~ 0	g	-2.1
0 ~ 20	g	-2
20 ~ 40	g	-1.9
40 ~ 60	g	-1.7
60 ~ 80	g	-1.5