K-PSK11 - Sumita

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.565801 n_e = 1.568010	V_d = 61.06 V_e = 60.77	n_F - n_C = 0.009265 n_F' - n_C' = 0.009345	Coloring: 0.31 - 0.34 mkm.

Type: Schott
Spectral range: 0.3650146 - 1.01398 mkm.
C1 = 2.41598 C2 = -0.0091925712 C3 = 0.012781645 C4 = 0.00022915227 C5 = -0.0000016688365 C6 = 0.00000031925636

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.555369
n _s	1.557992
n _r	1.561380
n _C	1.562984
n _C'	1.563433
n _0.6328	1.563852
n _D	1.565719
n _d	1.565801
n _e	1.568010
n _F	1.572250
n _F'	1.572779
n _g	1.577300
n _h	1.581500
n _i	1.588679
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.8218
P_C,A'	0.3474
P_d,C	0.3040
P_e,C	0.5423
P_g,d	1.2409
P_g,F	0.5449
P_h,g	0.4532
P_i,g	1.2281
P_C',t	0.8702
P_e,C'	0.4939
P_F',e	0.5146
P_i,F'	1.7161

transmittance: 10 mm
τ_0.31	0.114
τ_0.32	0.534
τ_0.33	0.792
τ_0.34	0.908
τ_0.35	0.953
τ_0.36	0.971
τ_0.37	0.981
τ_0.38	0.985
τ_0.39	0.988
τ_0.4	0.99
τ_0.42	0.99
τ_0.44	0.99
τ_0.46	0.995
τ_0.48	0.995
τ_0.5	0.997
τ_0.55	0.997
τ_0.6	0.998
τ_0.65	0.998
τ_0.7	0.998
τ_0.8	0.998
τ_1.06	0.998
τ_1.5	0.991
τ₂	0.904

transmittance: 25 mm
τ_0.32	0.208
τ_0.33	0.559
τ_0.34	0.786
τ_0.35	0.887
τ_0.36	0.93
τ_0.37	0.954
τ_0.38	0.964
τ_0.39	0.971
τ_0.4	0.975
τ_0.42	0.975
τ_0.44	0.975
τ_0.46	0.989
τ_0.48	0.989
τ_0.5	0.992
τ_0.55	0.992
τ_0.6	0.996
τ_0.65	0.996
τ_0.7	0.996
τ_0.8	0.996
τ_1.06	0.996
τ_1.5	0.978
τ₂	0.777

Poisson coef.: 0.264
Rigidity: 258 Pa*10⁸
Young module: 652 Pa*10⁸
Knoop hardness: 430
Abrasion: 340

Climatic resistance: 2
Resistance to acids: 5

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