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N-LAK28

Glass Code:  744508.409

“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 1.74429 νd 50.77
ne 1.74778 νe 50.54
nF-nC 0.014660 nF'-nC' 0.014797
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Download Data sheet N-LAK28
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 1.70318
n1,970.1 1,970.1 1.71077
n1,529.6 1,529.6 1.71877
n1,060.0 1,060.0 1.72709
nt 1,014.0 1.72805
ns 852.1 1.73207
nr 706.5 1.73734
nC 656.3 1.73985
nC' 643.8 1.74056
Characteristics λ [nm]
n632.8 632.8 1.74121
nD 589.3 1.74416
nd 587.6 1.74429
ne 546.1 1.74778
nF 486.1 1.75451
nF' 480.0 1.75535
ng 435.8 1.76257
nh 404.7 1.76931
ni 365.0 1.78090
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
τ25/2325 2,325 0.410
τ25/1970 1,970 0.880
τ25/1530 1,530 0.980
τ25/1060 1,060 0.995
τ25/700 700 0.994
τ25/660 660 0.993
τ25/620 620 0.993
τ25/580 580 0.993
τ25/546 546 0.994
τ25/500 500 0.992
τ25/460 460 0.980
τ25/436 436 0.970
τ25/420 420 0.950
τ25/405 405 0.900
τ25/400 400 0.870
τ25/390 390 0.800
τ25/380 380 0.670
τ25/370 370 0.500
τ25/365 365 0.390
τ25/350 350 0.090
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
τ10/2325 2,325 0.700
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 0.997
τ10/620 620 0.997
τ10/580 580 0.997
τ10/546 546 0.998
τ10/500 500 0.997
τ10/460 460 0.992
τ10/436 436 0.988
τ10/420 420 0.980
τ10/405 405 0.959
τ10/400 400 0.950
τ10/390 390 0.910
τ10/380 380 0.850
τ10/370 370 0.760
τ10/365 365 0.690
τ10/350 350 0.380
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 0.2740
PC,s 0.5307
Pd,C 0.3025
Pe,d 0.2382
Pg,F 0.5499
Pi,h 0.7905
P's,t 0.2715
P'C',s 0.5734
P'd,C' 0.2521
P'e,d 0.2360
P'g,F' 0.4879
P'i,h 0.7832
Characteristics
ΔPC,t 0.0189
ΔPC,s 0.0095
ΔPF,e -0.0024
ΔPg,F -0.0085
ΔPi,g -0.0484
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