S-PHM51 - O'Hara

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.617001 n_e = 1.619343	V_d = 62.80 V_e = 62.51	n_F - n_C = 0.009824 n_F' - n_C' = 0.009907	Coloring: 0.32 - 0.37 mkm.

Type: Schott
Spectral range: 0.3650146 - 1.01398 mkm.
C1 = 2.5759016 C2 = -0.010553544 C3 = 0.013895937 C4 = 0.00026498331 C5 = -0.0000019680543 C6 = 0.00000010989977

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.605869
n _s	1.608687
n _r	1.612303
n _C	1.614009
n _C'	1.614486
n _0.6328	1.614931
n _D	1.616913
n _d	1.617001
n _e	1.619343
n _F	1.623834
n _F'	1.624393
n _g	1.629169
n _h	1.633592
n _i	1.641107
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.8285
P_C,A'	0.3489
P_d,C	0.3044
P_e,C	0.5429
P_g,d	1.2385
P_g,F	0.5430
P_h,g	0.4501
P_i,g	1.2151
P_C',t	0.8771
P_e,C'	0.4943
P_F',e	0.5140
P_i,F'	1.7012

transmittance: 10 mm
τ_0.37	0.915
τ_0.38	0.954
τ_0.39	0.973
τ_0.4	0.984
τ_0.42	0.991
τ_0.44	0.992
τ_0.46	0.994
τ_0.48	0.995
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	0.999
τ_0.9	0.999

Poisson coef.: 0.278
Rigidity: 332 Pa*10⁸
Young module: 849 Pa*10⁸
Knoop hardness: 450
Abrasion: 284

Climatic resistance: 2
Resistance to acids: 51.2
Phosphate resistance: 4

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
-30 ~ 70	97
100 ~ 300	111

Temperature coefs. of n_rel
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-40 ~ -20	t	-2
-20 ~ 0	t	-2
0 ~ 20	t	-2
20 ~ 40	t	-1.9
40 ~ 60	t	-1.7
60 ~ 80	t	-1.5
-40 ~ -20	C'	-0.8
-20 ~ 0	C'	-0.8
0 ~ 20	C'	-0.8
20 ~ 40	C'	-0.8
40 ~ 60	C'	-0.7
60 ~ 80	C'	-0.5
-40 ~ -20		-0.8
-20 ~ 0		-0.8
0 ~ 20		-0.8
20 ~ 40		-0.8
40 ~ 60		-0.7
60 ~ 80		-0.5
-40 ~ -20	D	-0.7
-20 ~ 0	D	-0.7
0 ~ 20	D	-0.7
20 ~ 40	D	-0.6
40 ~ 60	D	-0.5
60 ~ 80	D	-0.4
-40 ~ -20	e	-0.6
-20 ~ 0	e	-0.6
0 ~ 20	e	-0.6
20 ~ 40	e	-0.5
40 ~ 60	e	-0.4
60 ~ 80	e	-0.2
-40 ~ -20	F	-0.3
-20 ~ 0	F	-0.3
0 ~ 20	F	-0.3
20 ~ 40	F	-0.2
40 ~ 60	F	-0.1
20 ~ 40	g	0.1
40 ~ 60	g	0.2
60 ~ 80	g	0.3