1. Home
  2. Products
  3. Optical Glass
  4. Optical Glass
  5. Dense Crown
  6. N-SK4

N-SK4

Glass Code:  613586.354

“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 1.61272 νd 58.63
ne 1.61521 νe 58.37
nF-nC 0.010450 nF'-nC' 0.010541
Select product
€00.00
Need help or a quote?
CONTACT OUR SUPPORT
Download Data sheet N-SK4
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 1.58282
n1,970.1 1,970.1 1.58835
n1,529.6 1,529.6 1.59422
n1,060.0 1,060.0 1.60032
nt 1,014.0 1.60102
ns 852.1 1.60393
nr 706.5 1.60774
nC 656.3 1.60954
nC' 643.8 1.61005
Characteristics λ [nm]
n632.8 632.8 1.61052
nD 589.3 1.61262
nd 587.6 1.61272
ne 546.1 1.61521
nF 486.1 1.61999
nF' 480.0 1.62059
ng 435.8 1.62568
nh 404.7 1.63042
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 0.390
τ25/2325 2,325 0.620
τ25/1970 1,970 0.900
τ25/1530 1,530 0.977
τ25/1060 1,060 0.993
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 0.992
τ25/460 460 0.985
τ25/436 436 0.983
τ25/420 420 0.983
τ25/405 405 0.979
τ25/400 400 0.975
τ25/390 390 0.960
τ25/380 380 0.930
τ25/370 370 0.870
τ25/365 365 0.830
τ25/350 350 0.610
τ25/334 334 0.200
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 0.686
τ10/2325 2,325 0.826
τ10/1970 1,970 0.959
τ10/1530 1,530 0.991
τ10/1060 1,060 0.997
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 0.997
τ10/460 460 0.994
τ10/436 436 0.993
τ10/420 420 0.993
τ10/405 405 0.992
τ10/400 400 0.990
τ10/390 390 0.984
τ10/380 380 0.971
τ10/370 370 0.946
τ10/365 365 0.928
τ10/350 350 0.821
τ10/334 334 0.525
τ10/320 320 0.102
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 0.2792
PC,s 0.5366
Pd,C 0.3039
Pe,d 0.2384
Pg,F 0.5448
Pi,h
P's,t 0.2768
P'C',s 0.5799
P'd,C' 0.2533
P'e,d 0.2364
P'g,F' 0.4835
P'i,h
Characteristics
ΔPC,t -0.0073
ΔPC,s -0.0030
ΔPF,e 0.0001
ΔPg,F -0.0004
ΔPi,g
Back