1. Home
  2. Products
  3. Optical Glass
  4. Optical Glass
  5. Lanthanum Crown
  6. N-LAK33B

N-LAK33B

Glass Code:  755523.422

“N”-glass as an environmentally friendly alternative to conventional lead and arsenic-containing glass types.

Find more information in the tabs below or on our website.

Compare glass types with our Interactive Abbe Diagram.

optical glass klein 4zu3.jpg
Characteristics
nd 1.75500 νd 52.30
ne 1.75844 νe 52.07
nF-nC 0.014436 nF'-nC' 0.014566
Select product
€00.00
Need help or a quote?
CONTACT OUR SUPPORT
Download Data sheet N-LAK33B
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 1.71387
n1,970.1 1,970.1 1.72155
n1,529.6 1,529.6 1.72962
n1,060.0 1,060.0 1.73796
nt 1,014.0 1.73892
ns 852.1 1.74292
nr 706.5 1.74814
nC 656.3 1.75062
nC' 643.8 1.75132
Characteristics λ [nm]
n632.8 632.8 1.75197
nD 589.3 1.75487
nd 587.6 1.75500
ne 546.1 1.75844
nF 486.1 1.76506
nF' 480.0 1.76589
ng 435.8 1.77296
nh 404.7 1.77954
ni 365.0 1.79082
Characteristics λ [nm]
n334.1 334.1 1.80306
n312.6 312.6 1.81436
n296.7 296.7 1.82471
n280.4 280.4
n248.3 248.3
Internal Transmittance
Characteristics λ [nm]
τ25/2500 2,500 0.100
τ25/2325 2,325 0.380
τ25/1970 1,970 0.850
τ25/1530 1,530 0.963
τ25/1060 1,060 0.995
τ25/700 700 0.995
τ25/660 660 0.994
τ25/620 620 0.993
τ25/580 580 0.994
τ25/546 546 0.995
τ25/500 500 0.993
τ25/460 460 0.986
τ25/436 436 0.979
τ25/420 420 0.971
τ25/405 405 0.956
τ25/400 400 0.950
τ25/390 390 0.930
τ25/380 380 0.890
τ25/370 370 0.830
τ25/365 365 0.790
τ25/350 350 0.610
τ25/334 334 0.350
τ25/320 320 0.140
τ25/310 310 0.030
τ25/300 300 0.010
τ25/290 290
τ25/280 280
τ25/270 270
τ25/260 260
τ25/250 250
Characteristics λ [nm]
τ10/2500 2,500 0.398
τ10/2325 2,325 0.679
τ10/1970 1,970 0.937
τ10/1530 1,530 0.985
τ10/1060 1,060 0.998
τ10/700 700 0.998
τ10/660 660 0.998
τ10/620 620 0.997
τ10/580 580 0.998
τ10/546 546 0.998
τ10/500 500 0.997
τ10/460 460 0.994
τ10/436 436 0.992
τ10/420 420 0.988
τ10/405 405 0.982
τ10/400 400 0.980
τ10/390 390 0.971
τ10/380 380 0.954
τ10/370 370 0.928
τ10/365 365 0.910
τ10/350 350 0.821
τ10/334 334 0.657
τ10/320 320 0.455
τ10/310 310 0.283
τ10/300 300 0.217
τ10/290 290 0.118
τ10/280 280 0.022
τ10/270 270
τ10/260 260
τ10/250 250
Partial Dispersion
Characteristics
Ps,t 0.2768
PC,s 0.5337
Pd,C 0.3032
Pe,d 0.2383
Pg,F 0.5473
Pi,h 0.7813
P's,t 0.2744
P'C',s 0.5767
P'd,C' 0.2527
P'e,d 0.2362
P'g,F' 0.4857
P'i,h 0.7743
Characteristics
ΔPC,t 0.0175
ΔPC,s 0.0089
ΔPF,e -0.0024
ΔPg,F -0.0085
ΔPi,g -0.0484
Back