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N-LAK7

Glass Code:  652585.384

“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 1.65160 νd 58.52
ne 1.65425 νe 58.26
nF-nC 0.011135 nF'-nC' 0.011229
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Download Data sheet N-LAK7
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 1.61875
n1,970.1 1,970.1 1.62499
n1,529.6 1,529.6 1.63156
n1,060.0 1,060.0 1.63828
nt 1,014.0 1.63904
ns 852.1 1.64220
nr 706.5 1.64628
nC 656.3 1.64821
nC' 643.8 1.64875
Characteristics λ [nm]
n632.8 632.8 1.64925
nD 589.3 1.65150
nd 587.6 1.65160
ne 546.1 1.65425
nF 486.1 1.65934
nF' 480.0 1.65998
ng 435.8 1.66539
nh 404.7 1.67042
ni 365.0 1.67897
Characteristics λ [nm]
n334.1 334.1 1.68820
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 0.224
τ25/2325 2,325 0.494
τ25/1970 1,970 0.863
τ25/1530 1,530 0.972
τ25/1060 1,060 0.998
τ25/700 700 0.997
τ25/660 660 0.996
τ25/620 620 0.995
τ25/580 580 0.995
τ25/546 546 0.995
τ25/500 500 0.992
τ25/460 460 0.984
τ25/436 436 0.980
τ25/420 420 0.977
τ25/405 405 0.973
τ25/400 400 0.970
τ25/390 390 0.961
τ25/380 380 0.945
τ25/370 370 0.917
τ25/365 365 0.894
τ25/350 350 0.785
τ25/334 334 0.570
τ25/320 320 0.301
τ25/310 310 0.111
τ25/300 300 0.016
τ25/290 290
τ25/280 280
τ25/270 270
τ25/260 260
τ25/250 250
Characteristics λ [nm]
τ10/2500 2,500 0.550
τ10/2325 2,325 0.754
τ10/1970 1,970 0.943
τ10/1530 1,530 0.989
τ10/1060 1,060 0.999
τ10/700 700 0.999
τ10/660 660 0.998
τ10/620 620 0.998
τ10/580 580 0.998
τ10/546 546 0.998
τ10/500 500 0.997
τ10/460 460 0.994
τ10/436 436 0.992
τ10/420 420 0.991
τ10/405 405 0.989
τ10/400 400 0.988
τ10/390 390 0.984
τ10/380 380 0.978
τ10/370 370 0.966
τ10/365 365 0.956
τ10/350 350 0.908
τ10/334 334 0.799
τ10/320 320 0.619
τ10/310 310 0.415
τ10/300 300 0.191
τ10/290 290 0.050
τ10/280 280
τ10/270 270
τ10/260 260
τ10/250 250
Partial Dispersion
Characteristics
Ps,t 0.2835
PC,s 0.5400
Pd,C 0.3044
Pe,d 0.2385
Pg,F 0.5433
Pi,h 0.7687
P's,t 0.2812
P'C',s 0.5836
P'd,C' 0.2538
P'e,d 0.2365
P'g,F' 0.4823
P'i,h 0.7622
Characteristics
ΔPC,t 0.0010
ΔPC,s 0.0007
ΔPF,e -0.0005
ΔPg,F -0.0021
ΔPi,g -0.0140
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