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N-LASF44

Glass Code:  804465.444

“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 1.80420 νd 46.50
ne 1.80832 νe 46.25
nF-nC 0.017294 nF'-nC' 0.017476
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Download Data sheet N-LASF44
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 1.76070
n1,970.1 1,970.1 1.76801
n1,529.6 1,529.6 1.77590
n1,060.0 1,060.0 1.78455
nt 1,014.0 1.78560
ns 852.1 1.79006
nr 706.5 1.79609
nC 656.3 1.79901
nC' 643.8 1.79983
Characteristics λ [nm]
n632.8 632.8 1.80060
nD 589.3 1.80405
nd 587.6 1.80420
ne 546.1 1.80832
nF 486.1 1.81630
nF' 480.0 1.81731
ng 435.8 1.82594
nh 404.7 1.83405
ni 365.0
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 0.150
τ25/2325 2,325 0.470
τ25/1970 1,970 0.870
τ25/1530 1,530 0.975
τ25/1060 1,060 0.995
τ25/700 700 0.996
τ25/660 660 0.995
τ25/620 620 0.995
τ25/580 580 0.995
τ25/546 546 0.995
τ25/500 500 0.989
τ25/460 460 0.977
τ25/436 436 0.965
τ25/420 420 0.950
τ25/405 405 0.920
τ25/400 400 0.910
τ25/390 390 0.870
τ25/380 380 0.793
τ25/370 370 0.685
τ25/365 365 0.615
τ25/350 350 0.351
τ25/334 334 0.088
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 0.468
τ10/2325 2,325 0.739
τ10/1970 1,970 0.946
τ10/1530 1,530 0.990
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 0.996
τ10/460 460 0.991
τ10/436 436 0.986
τ10/420 420 0.980
τ10/405 405 0.967
τ10/400 400 0.963
τ10/390 390 0.946
τ10/380 380 0.911
τ10/370 370 0.860
τ10/365 365 0.823
τ10/350 350 0.658
τ10/334 334 0.378
τ10/320 320 0.152
τ10/310 310 0.068
τ10/300 300 0.029
τ10/290 290
τ10/280 280
τ10/270 270
τ10/260 260
τ10/250 250
Partial Dispersion
Characteristics
Ps,t 0.2582
PC,s 0.5171
Pd,C 0.3002
Pe,d 0.2380
Pg,F 0.5572
Pi,h
P's,t 0.2555
P'C',s 0.5588
P'd,C' 0.2501
P'e,d 0.2355
P'g,F' 0.4941
P'i,h
Characteristics
ΔPC,t 0.0098
ΔPC,s 0.0058
ΔPF,e -0.0021
ΔPg,F -0.0084
ΔPi,g
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