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N-LAF2

Glass Code:  744449.430

“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 1.74397 νd 44.85
ne 1.74791 νe 44.57
nF-nC 0.016588 nF'-nC' 0.016780
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Download Data sheet N-LAF2
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 1.70582
n1,970.1 1,970.1 1.71169
n1,529.6 1,529.6 1.71816
n1,060.0 1,060.0 1.72563
nt 1,014.0 1.72656
ns 852.1 1.73064
nr 706.5 1.73627
nC 656.3 1.73903
nC' 643.8 1.73981
Characteristics λ [nm]
n632.8 632.8 1.74054
nD 589.3 1.74383
nd 587.6 1.74397
ne 546.1 1.74791
nF 486.1 1.75562
nF' 480.0 1.75659
ng 435.8 1.76500
nh 404.7 1.77298
ni 365.0 1.78703
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 0.400
τ25/2325 2,325 0.690
τ25/1970 1,970 0.883
τ25/1530 1,530 0.985
τ25/1060 1,060 0.997
τ25/700 700 0.996
τ25/660 660 0.993
τ25/620 620 0.992
τ25/580 580 0.993
τ25/546 546 0.994
τ25/500 500 0.983
τ25/460 460 0.962
τ25/436 436 0.940
τ25/420 420 0.915
τ25/405 405 0.865
τ25/400 400 0.840
τ25/390 390 0.760
τ25/380 380 0.630
τ25/370 370 0.430
τ25/365 365 0.310
τ25/350 350 0.025
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 0.693
τ10/2325 2,325 0.862
τ10/1970 1,970 0.951
τ10/1530 1,530 0.994
τ10/1060 1,060 0.999
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 0.993
τ10/460 460 0.985
τ10/436 436 0.976
τ10/420 420 0.965
τ10/405 405 0.944
τ10/400 400 0.933
τ10/390 390 0.896
τ10/380 380 0.831
τ10/370 370 0.713
τ10/365 365 0.626
τ10/350 350 0.229
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 0.2459
PC,s 0.5057
Pd,C 0.2979
Pe,d 0.2377
Pg,F 0.5656
Pi,h 0.8470
P's,t 0.2431
P'C',s 0.5464
P'd,C' 0.2481
P'e,d 0.2350
P'g,F' 0.5012
P'i,h 0.8373
Characteristics
ΔPC,t -0.0061
ΔPC,s -0.0017
ΔPF,e -0.0004
ΔPg,F -0.0027
ΔPi,g -0.0202
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