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N-BAK1

Glass Code:  573576.319

“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 1.57250 νd 57.55
ne 1.57487 νe 57.27
nF-nC 0.009948 nF'-nC' 0.010039
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Download Data sheet N-BAK1
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 1.54556
n1,970.1 1,970.1 1.55032
n1,529.6 1,529.6 1.55543
n1,060.0 1,060.0 1.56088
nt 1,014.0 1.56152
ns 852.1 1.56421
nr 706.5 1.56778
nC 656.3 1.56949
nC' 643.8 1.56997
Characteristics λ [nm]
n632.8 632.8 1.57041
nD 589.3 1.57241
nd 587.6 1.57250
ne 546.1 1.57487
nF 486.1 1.57943
nF' 480.0 1.58000
ng 435.8 1.58488
nh 404.7 1.58941
ni 365.0 1.59716
Characteristics λ [nm]
n334.1 334.1 1.60554
n312.6 312.6 1.61326
n296.7 296.7
n280.4 280.4
n248.3 248.3
Internal Transmittance
Characteristics λ [nm]
τ25/2500 2,500 0.584
τ25/2325 2,325 0.721
τ25/1970 1,970 0.903
τ25/1530 1,530 0.986
τ25/1060 1,060 0.996
τ25/700 700 0.997
τ25/660 660 0.995
τ25/620 620 0.995
τ25/580 580 0.995
τ25/546 546 0.995
τ25/500 500 0.992
τ25/460 460 0.990
τ25/436 436 0.989
τ25/420 420 0.990
τ25/405 405 0.990
τ25/400 400 0.990
τ25/390 390 0.988
τ25/380 380 0.983
τ25/370 370 0.977
τ25/365 365 0.969
τ25/350 350 0.930
τ25/334 334 0.820
τ25/320 320 0.570
τ25/310 310 0.290
τ25/300 300 0.070
τ25/290 290
τ25/280 280
τ25/270 270
τ25/260 260
τ25/250 250
Characteristics λ [nm]
τ10/2500 2,500 0.806
τ10/2325 2,325 0.877
τ10/1970 1,970 0.960
τ10/1530 1,530 0.994
τ10/1060 1,060 0.998
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 0.996
τ10/436 436 0.996
τ10/420 420 0.996
τ10/405 405 0.996
τ10/400 400 0.996
τ10/390 390 0.995
τ10/380 380 0.993
τ10/370 370 0.991
τ10/365 365 0.987
τ10/350 350 0.971
τ10/334 334 0.924
τ10/320 320 0.799
τ10/310 310 0.609
τ10/300 300 0.345
τ10/290 290 0.102
τ10/280 280 0.014
τ10/270 270
τ10/260 260
τ10/250 250
Partial Dispersion
Characteristics
Ps,t 0.2712
PC,s 0.5301
Pd,C 0.3029
Pe,d 0.2384
Pg,F 0.5472
Pi,h 0.7788
P's,t 0.2687
P'C',s 0.5730
P'd,C' 0.2525
P'e,d 0.2362
P'g,F' 0.4855
P'i,h 0.7717
Characteristics
ΔPC,t -0.0167
ΔPC,s -0.0069
ΔPF,e 0.0006
ΔPg,F 0.0002
ΔPi,g -0.0075
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