S-FTL10 - O'Hara

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.501371 n_e = 1.503486	V_d = 56.42 V_e = 56.12	n_F - n_C = 0.008886 n_F' - n_C' = 0.008970	Coloring: 0.33 - 0.36 mkm.

Type: Sellmeier
Spectral range: 0.3650146 - 2.325 mkm.
C1 = 1.10542993 C2 = 0.116184325 C3 = 1.15396111 C4 = 0.00669004168 C5 = 0.0360840691 C6 = 137.546485

Refraction index
n _2.3254	-----
n _1.9701	1.480238
n _1.5296	1.485474
n _1.06	1.490834
n _t	1.491438
n _s	1.493936
n _r	1.497157
n _C	1.498684
n _C'	1.499111
n _0.6328	1.499511
n _D	1.501292
n _d	1.501371
n _e	1.503486
n _F	1.507570
n _F'	1.508082
n _g	1.512487
n _h	1.516629
n _i	1.523840
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.8154
P_C,A'	0.3446
P_d,C	0.3023
P_e,C	0.5403
P_g,d	1.2509
P_g,F	0.5533
P_h,g	0.4661
P_i,g	1.2775
P_C',t	0.8634
P_e,C'	0.4922
P_F',e	0.5172
P_i,F'	1.7732

transmittance: 10 mm
τ_0.33	0.04
τ_0.34	0.43
τ_0.35	0.79
τ_0.36	0.931
τ_0.37	0.97
τ_0.38	0.98
τ_0.39	0.99
τ_0.4	0.992
τ_0.42	0.991
τ_0.44	0.99
τ_0.46	0.99
τ_0.48	0.992
τ_0.5	0.994
τ_0.55	0.996
τ_0.6	0.996
τ_0.65	0.995
τ_0.7	0.997
τ_0.8	0.999
τ_0.9	0.999
τ₁	0.998
τ_1.2	0.998
τ_1.4	0.991
τ_1.6	0.994
τ_1.8	0.992
τ₂	0.988
τ_2.2	0.945
τ_2.4	0.92
τ_2.3254	0.73
τ_1.9701	0.94
τ_1.5296	0.98
τ_1.06	0.991
τ_0.66	0.995
τ_0.62	0.995
τ_0.58	0.995
τ_0.54607	0.995
τ_0.4358	0.985
τ_0.4047	0.98
τ_0.365	0.9
τ_0.3341	0.56
τ_0.32	0.32

transmittance: 25 mm
τ_2.3254	0.46
τ_1.9701	0.86
τ_1.5296	0.95
τ_1.06	0.978
τ_0.7	0.988
τ_0.66	0.988
τ_0.62	0.988
τ_0.58	0.988
τ_0.54607	0.987
τ_0.5	0.983
τ_0.46	0.972
τ_0.4358	0.963
τ_0.42	0.958
τ_0.4047	0.951
τ_0.4	0.95
τ_0.39	0.93
τ_0.38	0.89
τ_0.37	0.82
τ_0.365	0.77
τ_0.35	0.52
τ_0.3341	0.23
τ_0.32	0.06

Poisson coef.: 0.238
Rigidity: 233 Pa*10⁸
Young module: 578 Pa*10⁸
Knoop hardness: 470
Abrasion: 138

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	88
100 ~ 300	99
20 ~ 300	80

Temperature coefs. of n_abs
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-40 ~ -20		0.8
20 ~ 40		1.5
60 ~ 80		2
-40 ~ -20	e	1.5
20 ~ 40	e	2.3
60 ~ 80	e	2.9
-40 ~ -20	g	2.1
20 ~ 40	g	3.1
60 ~ 80	g	3.7

Temperature coefs. of n_rel
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-40 ~ -20	t	-1.3
-20 ~ 0	t	-1.2
0 ~ 20	t	-1.2
20 ~ 40	t	-1.1
40 ~ 60	t	-0.9
60 ~ 80	t	-0.8
-40 ~ -20	C'	-1.1
-20 ~ 0	C'	-1
0 ~ 20	C'	-0.9
20 ~ 40	C'	-0.8
40 ~ 60	C'	-0.6
60 ~ 80	C'	-0.5
-40 ~ -20		-1
-20 ~ 0		-0.9
0 ~ 20		-0.8
20 ~ 40		-0.7
40 ~ 60		-0.6
60 ~ 80		-0.5
-40 ~ -20	D	-1
-20 ~ 0	D	-0.8
0 ~ 20	D	-0.7
20 ~ 40	D	-0.6
40 ~ 60	D	-0.5
60 ~ 80	D	-0.4
-40 ~ -20	e	-0.8
-20 ~ 0	e	-0.7
0 ~ 20	e	-0.6
20 ~ 40	e	-0.5
40 ~ 60	e	-0.4
60 ~ 80	e	-0.3
-40 ~ -20	F	-0.6
-20 ~ 0	F	-0.5
0 ~ 20	F	-0.3
20 ~ 40	F	-0.2
40 ~ 60	F	-0.1
60 ~ 80	F	0.1
-40 ~ -20	g	-0.3
-20 ~ 0	g	-0.2
20 ~ 40	g	0.1
40 ~ 60	g	0.3
60 ~ 80	g	0.4
-40 ~ -20		3
20 ~ 40		3
60 ~ 80		3.1