N-LAK12

Glass Code:  678552.410

“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 1.67790 νd 55.20
ne 1.68083 νe 54.92
nF-nC 0.012281 nF'-nC' 0.012396
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    Article Details
     
    Technical Details
    Refractive Indices
    Characteristics λ [nm]
    n2,325.4 2,325.4 1.64541
    n1,970.1 1,970.1 1.65107
    n1,529.6 1,529.6 1.65713
    n1,060.0 1,060.0 1.66366
    nt 1,014.0 1.66443
    ns 852.1 1.66772
    nr 706.5 1.67209
    nC 656.3 1.67419
    nC' 643.8 1.67478
    Characteristics λ [nm]
    n632.8 632.8 1.67533
    nD 589.3 1.67779
    nd 587.6 1.67790
    ne 546.1 1.68083
    nF 486.1 1.68647
    nF' 480.0 1.68717
    ng 435.8 1.69320
    nh 404.7 1.69882
    ni 365.0 1.70842
    Characteristics λ [nm]
    n334.1 334.1 1.71881
    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 0.270
    τ25/2325 2,325 0.510
    τ25/1970 1,970 0.850
    τ25/1530 1,530 0.975
    τ25/1060 1,060 0.992
    τ25/700 700 0.993
    τ25/660 660 0.989
    τ25/620 620 0.988
    τ25/580 580 0.990
    τ25/546 546 0.991
    τ25/500 500 0.986
    τ25/460 460 0.968
    τ25/436 436 0.958
    τ25/420 420 0.952
    τ25/405 405 0.943
    τ25/400 400 0.940
    τ25/390 390 0.920
    τ25/380 380 0.870
    τ25/370 370 0.790
    τ25/365 365 0.730
    τ25/350 350 0.460
    τ25/334 334 0.150
    τ25/320 320 0.010
    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 0.592
    τ10/2325 2,325 0.764
    τ10/1970 1,970 0.937
    τ10/1530 1,530 0.990
    τ10/1060 1,060 0.997
    τ10/700 700 0.997
    τ10/660 660 0.996
    τ10/620 620 0.995
    τ10/580 580 0.996
    τ10/546 546 0.996
    τ10/500 500 0.994
    τ10/460 460 0.987
    τ10/436 436 0.983
    τ10/420 420 0.981
    τ10/405 405 0.977
    τ10/400 400 0.976
    τ10/390 390 0.967
    τ10/380 380 0.946
    τ10/370 370 0.910
    τ10/365 365 0.882
    τ10/350 350 0.733
    τ10/334 334 0.468
    τ10/320 320 0.152
    τ10/310 310 0.032
    τ10/300 300
    τ10/290 290
    τ10/280 280
    τ10/270 270
    τ10/260 260
    τ10/250 250
    Partial Dispersion
    Characteristics
    Ps,t 0.2673
    PC,s 0.5269
    Pd,C 0.3024
    Pe,d 0.2383
    Pg,F 0.5485
    Pi,h 0.7818
    P's,t 0.2648
    P'C',s 0.5695
    P'd,C' 0.2521
    P'e,d 0.2361
    P'g,F' 0.4866
    P'i,h 0.7746
    Characteristics
    ΔPC,t -0.0126
    ΔPC,s -0.0047
    ΔPF,e -0.0001
    ΔPg,F -0.0024
    ΔPi,g -0.0226