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N-SF8

Glass Code:  689313.290

“N”-glass as an environmentally friendly alternative to conventional lead and arsenic-containing glass types.

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optical glass klein 4zu3.jpg
Characteristics
nd 1.68894 νd 31.31
ne 1.69413 νe 31.06
nF-nC 0.022005 nF'-nC' 0.022346
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Download Data sheet N-SF8
Article Details
SCHOTT
Article
Glass type
L
W
T
DIA
Step
nd
Step
vd
nd
vd
Weight
 
Technical Details
Refractive Indices
Characteristics λ [nm]
n2,325.4 2,325.4 1.64448
n1,970.1 1,970.1 1.65060
n1,529.6 1,529.6 1.65753
n1,060.0 1,060.0 1.66600
nt 1,014.0 1.66711
ns 852.1 1.67203
nr 706.5 1.67904
nC 656.3 1.68254
nC' 643.8 1.68354
Characteristics λ [nm]
n632.8 632.8 1.68448
nD 589.3 1.68874
nd 587.6 1.68894
ne 546.1 1.69413
nF 486.1 1.70455
nF' 480.0 1.70589
ng 435.8 1.71775
nh 404.7 1.72948
ni 365.0
Characteristics λ [nm]
n334.1 334.1
n312.6 312.6
n296.7 296.7
n280.4 280.4
n248.3 248.3
Internal Transmittance
Characteristics λ [nm]
τ25/2500 2,500 0.480
τ25/2325 2,325 0.600
τ25/1970 1,970 0.870
τ25/1530 1,530 0.970
τ25/1060 1,060 0.993
τ25/700 700 0.987
τ25/660 660 0.983
τ25/620 620 0.983
τ25/580 580 0.986
τ25/546 546 0.983
τ25/500 500 0.963
τ25/460 460 0.940
τ25/436 436 0.914
τ25/420 420 0.880
τ25/405 405 0.810
τ25/400 400 0.770
τ25/390 390 0.630
τ25/380 380 0.370
τ25/370 370 0.070
τ25/365 365
τ25/350 350
τ25/334 334
τ25/320 320
τ25/310 310
τ25/300 300
τ25/290 290
τ25/280 280
τ25/270 270
τ25/260 260
τ25/250 250
Characteristics λ [nm]
τ10/2500 2,500 0.746
τ10/2325 2,325 0.815
τ10/1970 1,970 0.946
τ10/1530 1,530 0.988
τ10/1060 1,060 0.997
τ10/700 700 0.995
τ10/660 660 0.993
τ10/620 620 0.993
τ10/580 580 0.994
τ10/546 546 0.993
τ10/500 500 0.985
τ10/460 460 0.976
τ10/436 436 0.965
τ10/420 420 0.950
τ10/405 405 0.919
τ10/400 400 0.901
τ10/390 390 0.831
τ10/380 380 0.672
τ10/370 370 0.345
τ10/365 365 0.158
τ10/350 350
τ10/334 334
τ10/320 320
τ10/310 310
τ10/300 300
τ10/290 290
τ10/280 280
τ10/270 270
τ10/260 260
τ10/250 250
Partial Dispersion
Characteristics
Ps,t 0.2236
PC,s 0.4778
Pd,C 0.2905
Pe,d 0.2362
Pg,F 0.5999
Pi,h
P's,t 0.2202
P'C',s 0.5152
P'd,C' 0.2413
P'e,d 0.2326
P'g,F' 0.5308
P'i,h
Characteristics
ΔPC,t 0.0080
ΔPC,s 0.0019
ΔPF,e 0.0014
ΔPg,F 0.0087
ΔPi,g
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