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N-LAK12  678552.410

optical glass klein 4zu3.jpg

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

Find more information in the tabs below or on our website.

Compare glass types with our Interactive Abbe Diagram.

Characteristics
nd 1.67790 νd 55.20
ne 1.68083 νe 54.92
nF-nC 0.012281 nF'-nC' 0.012396
Glass type
Article L
W
T
DIA
nd
vd
STEP
nd
STEP
vd
Weight
Characteristics λ [nm]
n2,325.4 2,325.4 1.64541
n1,970.1 1,970.1 1.65107
n1,529.6 1,529.6 1.65713
n1,060.0 1,060.0 1.66366
nt 1,014.0 1.66443
ns 852.1 1.66772
nr 706.5 1.67209
nC 656.3 1.67419
nC' 643.8 1.67478
Characteristics λ [nm]
n632.8 632.8 1.67533
nD 589.3 1.67779
nd 587.6 1.67790
ne 546.1 1.68083
nF 486.1 1.68647
nF' 480.0 1.68717
ng 435.8 1.69320
nh 404.7 1.69882
ni 365.0 1.70842
Characteristics λ [nm]
n334.1 334.1 1.71881
n312.6 312.6
n296.7 296.7
n280.4 280.4
n248.3 248.3
Characteristics λ [nm]
τ25/2500 2,500 0.270
τ25/2325 2,325 0.510
τ25/1970 1,970 0.850
τ25/1530 1,530 0.975
τ25/1060 1,060 0.992
τ25/700 700 0.993
τ25/660 660 0.989
τ25/620 620 0.988
τ25/580 580 0.990
τ25/546 546 0.991
τ25/500 500 0.986
τ25/460 460 0.968
τ25/436 436 0.958
τ25/420 420 0.952
τ25/405 405 0.943
τ25/400 400 0.940
τ25/390 390 0.920
τ25/380 380 0.870
τ25/370 370 0.790
τ25/365 365 0.730
τ25/350 350 0.460
τ25/334 334 0.150
τ25/320 320 0.010
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 0.592
τ10/2325 2,325 0.764
τ10/1970 1,970 0.937
τ10/1530 1,530 0.990
τ10/1060 1,060 0.997
τ10/700 700 0.997
τ10/660 660 0.996
τ10/620 620 0.995
τ10/580 580 0.996
τ10/546 546 0.996
τ10/500 500 0.994
τ10/460 460 0.987
τ10/436 436 0.983
τ10/420 420 0.981
τ10/405 405 0.977
τ10/400 400 0.976
τ10/390 390 0.967
τ10/380 380 0.946
τ10/370 370 0.910
τ10/365 365 0.882
τ10/350 350 0.733
τ10/334 334 0.468
τ10/320 320 0.152
τ10/310 310 0.032
τ10/300 300
τ10/290 290
τ10/280 280
τ10/270 270
τ10/260 260
τ10/250 250
Characteristics
Ps,t 0.2673
PC,s 0.5269
Pd,C 0.3024
Pe,d 0.2383
Pg,F 0.5485
Pi,h 0.7818
P's,t 0.2648
P'C',s 0.5695
P'd,C' 0.2521
P'e,d 0.2361
P'g,F' 0.4866
P'i,h 0.7746
Characteristics
ΔPC,t -0.0126
ΔPC,s -0.0047
ΔPF,e -0.0001
ΔPg,F -0.0024
ΔPi,g -0.0226