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N-LAF7

Glass Code:  749348.373

“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 1.74950 νd 34.82
ne 1.75459 νe 34.56
nF-nC 0.021525 nF'-nC' 0.021833
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Download Data sheet N-LAF7
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 1.70344
n1,970.1 1,970.1 1.71021
n1,529.6 1,529.6 1.71772
n1,060.0 1,060.0 1.72659
nt 1,014.0 1.72773
ns 852.1 1.73272
nr 706.5 1.73972
nC 656.3 1.74320
nC' 643.8 1.74419
Characteristics λ [nm]
n632.8 632.8 1.74511
nD 589.3 1.74931
nd 587.6 1.74950
ne 546.1 1.75459
nF 486.1 1.76472
nF' 480.0 1.76602
ng 435.8 1.77741
nh 404.7 1.78854
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 0.372
τ25/2325 2,325 0.682
τ25/1970 1,970 0.924
τ25/1530 1,530 0.987
τ25/1060 1,060 0.996
τ25/700 700 0.993
τ25/660 660 0.992
τ25/620 620 0.992
τ25/580 580 0.990
τ25/546 546 0.985
τ25/500 500 0.971
τ25/460 460 0.943
τ25/436 436 0.914
τ25/420 420 0.874
τ25/405 405 0.812
τ25/400 400 0.779
τ25/390 390 0.683
τ25/380 380 0.515
τ25/370 370 0.246
τ25/365 365 0.090
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 0.673
τ10/2325 2,325 0.858
τ10/1970 1,970 0.969
τ10/1530 1,530 0.995
τ10/1060 1,060 0.998
τ10/700 700 0.997
τ10/660 660 0.997
τ10/620 620 0.997
τ10/580 580 0.996
τ10/546 546 0.994
τ10/500 500 0.988
τ10/460 460 0.977
τ10/436 436 0.965
τ10/420 420 0.948
τ10/405 405 0.920
τ10/400 400 0.905
τ10/390 390 0.859
τ10/380 380 0.767
τ10/370 370 0.571
τ10/365 365 0.382
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 0.2317
PC,s 0.4870
Pd,C 0.2928
Pe,d 0.2366
Pg,F 0.5894
Pi,h
P's,t 0.2284
P'C',s 0.5254
P'd,C' 0.2434
P'e,d 0.2333
P'g,F' 0.5218
P'i,h
Characteristics
ΔPC,t 0.0085
ΔPC,s 0.0029
ΔPF,e 0.0005
ΔPg,F 0.0042
ΔPi,g
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