S-TIM35 - O'Hara

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.698946 n_e = 1.704423	V_d = 30.12 V_e = 29.89	n_F - n_C = 0.023199 n_F' - n_C' = 0.023567	Coloring: 0.37 - 0.41 mkm.

Type: Sellmeier
Spectral range: 0.4046561 - 2.325 mkm.
C1 = 1.55849775 C2 = 0.230767007 C3 = 1.84436099 C4 = 0.0115367235 C5 = 0.0586095947 C6 = 162.981888

Refraction index
n _2.3254	-----
n _1.9701	1.659052
n _1.5296	1.666149
n _1.06	1.674911
n _t	1.676064
n _s	1.681200
n _r	1.688540
n _C	1.692224
n _C'	1.693273
n _0.6328	1.694261
n _D	1.698745
n _d	1.698946
n _e	1.704423
n _F	1.715423
n _F'	1.716840
n _g	1.729411
n _h	1.741889
n _i	-----
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.6965
P_C,A'	0.3131
P_d,C	0.2897
P_e,C	0.5258
P_g,d	1.3131
P_g,F	0.6029
P_h,g	0.5378
P_i,g	-----
P_C',t	0.7418
P_e,C'	0.4805
P_F',e	0.5352
P_i,F'	-----

transmittance: 10 mm
τ_0.37	0.14
τ_0.38	0.48
τ_0.39	0.72
τ_0.4	0.84
τ_0.42	0.939
τ_0.44	0.964
τ_0.46	0.974
τ_0.48	0.981
τ_0.5	0.986
τ_0.55	0.994
τ_0.6	0.994
τ_0.65	0.993
τ_0.7	0.995
τ_0.8	0.998
τ_0.9	0.999
τ₁	0.999
τ_1.2	0.999
τ_1.4	0.995
τ_1.6	0.995
τ_1.8	0.988
τ₂	0.98
τ_2.2	0.942
τ_2.4	0.931

Poisson coef.: 0.238
Rigidity: 353 Pa*10⁸
Young module: 875 Pa*10⁸
Knoop hardness: 500
Abrasion: 136

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	75
100 ~ 300	89

Temperature coefs. of n_rel
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-40 ~ -20	t	2
-20 ~ 0	t	2.1
0 ~ 20	t	2.1
20 ~ 40	t	2.3
40 ~ 60	t	2.4
60 ~ 80	t	2.4
-40 ~ -20	C'	2.8
-20 ~ 0	C'	2.9
0 ~ 20	C'	3
20 ~ 40	C'	3.2
40 ~ 60	C'	3.3
60 ~ 80	C'	3.4
-40 ~ -20		2.8
-20 ~ 0		3
0 ~ 20		3.1
20 ~ 40		3.2
40 ~ 60		3.4
60 ~ 80		3.5
-40 ~ -20	D	3.1
-20 ~ 0	D	3.3
0 ~ 20	D	3.4
20 ~ 40	D	3.6
40 ~ 60	D	3.7
60 ~ 80	D	3.9
-40 ~ -20	e	3.5
-20 ~ 0	e	3.7
0 ~ 20	e	3.8
20 ~ 40	e	4
40 ~ 60	e	4.2
60 ~ 80	e	4.4
-40 ~ -20	F	4.4
-20 ~ 0	F	4.6
0 ~ 20	F	4.9
20 ~ 40	F	5.1
40 ~ 60	F	5.3
60 ~ 80	F	5.6
-40 ~ -20	g	5.5
-20 ~ 0	g	5.8
0 ~ 20	g	6.1
20 ~ 40	g	6.4
40 ~ 60	g	6.7
60 ~ 80	g	7