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N-BALF4

Glass Code:  580539.311

“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 1.57956 νd 53.87
ne 1.58212 νe 53.59
nF-nC 0.010759 nF'-nC' 0.010863
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Download Data sheet N-BALF4
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 1.55068
n1,970.1 1,970.1 1.55577
n1,529.6 1,529.6 1.56124
n1,060.0 1,060.0 1.56707
nt 1,014.0 1.56776
ns 852.1 1.57065
nr 706.5 1.57447
nC 656.3 1.57631
nC' 643.8 1.57683
Characteristics λ [nm]
n632.8 632.8 1.57731
nD 589.3 1.57946
nd 587.6 1.57956
ne 546.1 1.58212
nF 486.1 1.58707
nF' 480.0 1.58769
ng 435.8 1.59301
nh 404.7 1.59799
ni 365.0 1.60658
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 0.580
τ25/2325 2,325 0.740
τ25/1970 1,970 0.920
τ25/1530 1,530 0.984
τ25/1060 1,060 0.993
τ25/700 700 0.997
τ25/660 660 0.995
τ25/620 620 0.995
τ25/580 580 0.996
τ25/546 546 0.995
τ25/500 500 0.993
τ25/460 460 0.986
τ25/436 436 0.983
τ25/420 420 0.981
τ25/405 405 0.970
τ25/400 400 0.964
τ25/390 390 0.940
τ25/380 380 0.900
τ25/370 370 0.820
τ25/365 365 0.750
τ25/350 350 0.380
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 0.804
τ10/2325 2,325 0.887
τ10/1970 1,970 0.967
τ10/1530 1,530 0.994
τ10/1060 1,060 0.997
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 0.993
τ10/420 420 0.992
τ10/405 405 0.988
τ10/400 400 0.985
τ10/390 390 0.976
τ10/380 380 0.959
τ10/370 370 0.924
τ10/365 365 0.891
τ10/350 350 0.679
τ10/334 334 0.158
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 0.2687
PC,s 0.5265
Pd,C 0.3019
Pe,d 0.2382
Pg,F 0.5520
Pi,h 0.7986
P's,t 0.2661
P'C',s 0.5689
P'd,C' 0.2515
P'e,d 0.2359
P'g,F' 0.4897
P'i,h 0.7909
Characteristics
ΔPC,t -0.0053
ΔPC,s -0.0019
ΔPF,e -0.0001
ΔPg,F -0.0012
ΔPi,g -0.0114
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