S-PHM52 - O'Hara

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.617999 n_e = 1.620327	V_d = 63.33 V_e = 63.02	n_F - n_C = 0.009757 n_F' - n_C' = 0.009842	Coloring: 0.33 - 0.37 mkm.

Type: Sellmeier
Spectral range: 0.3650146 - 2.325 mkm.
C1 = 1.0996655 C2 = 0.478125422 C3 = 1.13214074 C4 = 0.0132718559 C5 = -0.000601649685 C6 = 130.595472

Refraction index
n _2.3254	-----
n _1.9701	1.595873
n _1.5296	1.601027
n _1.06	1.606503
n _t	1.607142
n _s	1.609826
n _r	1.613352
n _C	1.615036
n _C'	1.615507
n _0.6328	1.615947
n _D	1.617913
n _d	1.617999
n _e	1.620327
n _F	1.624793
n _F'	1.625350
n _g	1.630103
n _h	1.634505
n _i	1.641993
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.8089
P_C,A'	0.3454
P_d,C	0.3037
P_e,C	0.5422
P_g,d	1.2403
P_g,F	0.5441
P_h,g	0.4511
P_i,g	1.2185
P_C',t	0.8572
P_e,C'	0.4939
P_F',e	0.5147
P_i,F'	1.7056

transmittance: 10 mm
τ_0.33	0.05
τ_0.34	0.25
τ_0.35	0.51
τ_0.36	0.72
τ_0.37	0.85
τ_0.38	0.923
τ_0.39	0.957
τ_0.4	0.974
τ_0.42	0.986
τ_0.44	0.99
τ_0.46	0.992
τ_0.48	0.994
τ_0.5	0.996
τ_0.55	0.998
τ_0.6	0.998
τ_0.65	0.998
τ_0.7	0.998
τ_0.8	0.997
τ_0.9	0.996
τ₁	0.996
τ_1.2	0.996
τ_1.4	0.996
τ_1.6	0.991
τ_1.8	0.979
τ₂	0.961
τ_2.2	0.926
τ_2.4	0.89

Poisson coef.: 0.292
Rigidity: 277 Pa*10⁸
Young module: 715 Pa*10⁸
Knoop hardness: 390
Abrasion: 434

Climatic resistance: 2
Resistance to acids: 5
Phosphate resistance: 4

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
-30 ~ 70	101
100 ~ 300	120

Temperature coefs. of n_rel
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-40 ~ -20	t	-3.7
-20 ~ 0	t	-3.8
0 ~ 20	t	-4
20 ~ 40	t	-4.1
40 ~ 60	t	-4.2
60 ~ 80	t	-4.2
-40 ~ -20	C'	-3.6
-20 ~ 0	C'	-3.7
0 ~ 20	C'	-3.7
20 ~ 40	C'	-3.7
40 ~ 60	C'	-3.8
60 ~ 80	C'	-3.8
-40 ~ -20		-3.6
-20 ~ 0		-3.7
0 ~ 20		-3.7
20 ~ 40		-3.7
40 ~ 60		-3.8
60 ~ 80		-3.8
-40 ~ -20	D	-3.6
-20 ~ 0	D	-3.6
0 ~ 20	D	-3.6
20 ~ 40	D	-3.6
40 ~ 60	D	-3.6
60 ~ 80	D	-3.7
-40 ~ -20	e	-3.4
-20 ~ 0	e	-3.5
0 ~ 20	e	-3.5
20 ~ 40	e	-3.5
40 ~ 60	e	-3.5
60 ~ 80	e	-3.6
-40 ~ -20	F	-3.2
-20 ~ 0	F	-3.2
0 ~ 20	F	-3.2
20 ~ 40	F	-3.2
40 ~ 60	F	-3.2
60 ~ 80	F	-3.3
-40 ~ -20	g	-3
-20 ~ 0	g	-3
0 ~ 20	g	-3
20 ~ 40	g	-3
40 ~ 60	g	-3
60 ~ 80	g	-3