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N-LAK8

Glass Code:  713538.375

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

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Compare glass types with our Interactive Abbe Diagram.

optical glass klein 4zu3.jpg
Characteristics
nd 1.71300 νd 53.83
ne 1.71616 νe 53.61
nF-nC 0.013245 nF'-nC' 0.013359
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Download Data sheet N-LAK8
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 1.67294
n1,970.1 1,970.1 1.68075
n1,529.6 1,529.6 1.68890
n1,060.0 1,060.0 1.69710
nt 1,014.0 1.69802
ns 852.1 1.70181
nr 706.5 1.70668
nC 656.3 1.70897
nC' 643.8 1.70962
Characteristics λ [nm]
n632.8 632.8 1.71022
nD 589.3 1.71289
nd 587.6 1.71300
ne 546.1 1.71616
nF 486.1 1.72222
nF' 480.0 1.72297
ng 435.8 1.72944
nh 404.7 1.73545
ni 365.0 1.74573
Characteristics λ [nm]
n334.1 334.1 1.75687
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 0.100
τ25/2325 2,325 0.420
τ25/1970 1,970 0.880
τ25/1530 1,530 0.979
τ25/1060 1,060 0.994
τ25/700 700 0.996
τ25/660 660 0.995
τ25/620 620 0.994
τ25/580 580 0.994
τ25/546 546 0.995
τ25/500 500 0.994
τ25/460 460 0.987
τ25/436 436 0.979
τ25/420 420 0.970
τ25/405 405 0.952
τ25/400 400 0.943
τ25/390 390 0.915
τ25/380 380 0.870
τ25/370 370 0.780
τ25/365 365 0.720
τ25/350 350 0.470
τ25/334 334 0.185
τ25/320 320 0.040
τ25/310 310 0.010
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 0.398
τ10/2325 2,325 0.707
τ10/1970 1,970 0.950
τ10/1530 1,530 0.992
τ10/1060 1,060 0.998
τ10/700 700 0.998
τ10/660 660 0.998
τ10/620 620 0.998
τ10/580 580 0.998
τ10/546 546 0.998
τ10/500 500 0.998
τ10/460 460 0.995
τ10/436 436 0.992
τ10/420 420 0.988
τ10/405 405 0.981
τ10/400 400 0.977
τ10/390 390 0.965
τ10/380 380 0.946
τ10/370 370 0.905
τ10/365 365 0.877
τ10/350 350 0.739
τ10/334 334 0.509
τ10/320 320 0.276
τ10/310 310 0.137
τ10/300 300 0.044
τ10/290 290 0.010
τ10/280 280
τ10/270 270
τ10/260 260
τ10/250 250
Partial Dispersion
Characteristics
Ps,t 0.2861
PC,s 0.5408
Pd,C 0.3042
Pe,d 0.2383
Pg,F 0.5450
Pi,h 0.7764
P's,t 0.2836
P'C',s 0.5843
P'd,C' 0.2536
P'e,d 0.2363
P'g,F' 0.4838
P'i,h 0.7698
Characteristics
ΔPC,t 0.0266
ΔPC,s 0.0124
ΔPF,e -0.0026
ΔPg,F -0.0083
ΔPi,g -0.0428
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