N-LAK8

Glass Code:  713538.375

“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 1.71300 νd 53.83
ne 1.71616 νe 53.61
nF-nC 0.013245 nF'-nC' 0.013359
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    Article Details
     
    Technical Details
    Refractive Indices
    Characteristics λ [nm]
    n2,325.4 2,325.4 1.67294
    n1,970.1 1,970.1 1.68075
    n1,529.6 1,529.6 1.68890
    n1,060.0 1,060.0 1.69710
    nt 1,014.0 1.69802
    ns 852.1 1.70181
    nr 706.5 1.70668
    nC 656.3 1.70897
    nC' 643.8 1.70962
    Characteristics λ [nm]
    n632.8 632.8 1.71022
    nD 589.3 1.71289
    nd 587.6 1.71300
    ne 546.1 1.71616
    nF 486.1 1.72222
    nF' 480.0 1.72297
    ng 435.8 1.72944
    nh 404.7 1.73545
    ni 365.0 1.74573
    Characteristics λ [nm]
    n334.1 334.1 1.75687
    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 0.100
    τ25/2325 2,325 0.420
    τ25/1970 1,970 0.880
    τ25/1530 1,530 0.979
    τ25/1060 1,060 0.994
    τ25/700 700 0.996
    τ25/660 660 0.995
    τ25/620 620 0.994
    τ25/580 580 0.994
    τ25/546 546 0.995
    τ25/500 500 0.994
    τ25/460 460 0.987
    τ25/436 436 0.979
    τ25/420 420 0.970
    τ25/405 405 0.952
    τ25/400 400 0.943
    τ25/390 390 0.915
    τ25/380 380 0.870
    τ25/370 370 0.780
    τ25/365 365 0.720
    τ25/350 350 0.470
    τ25/334 334 0.185
    τ25/320 320 0.040
    τ25/310 310 0.010
    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 0.398
    τ10/2325 2,325 0.707
    τ10/1970 1,970 0.950
    τ10/1530 1,530 0.992
    τ10/1060 1,060 0.998
    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 0.998
    τ10/460 460 0.995
    τ10/436 436 0.992
    τ10/420 420 0.988
    τ10/405 405 0.981
    τ10/400 400 0.977
    τ10/390 390 0.965
    τ10/380 380 0.946
    τ10/370 370 0.905
    τ10/365 365 0.877
    τ10/350 350 0.739
    τ10/334 334 0.509
    τ10/320 320 0.276
    τ10/310 310 0.137
    τ10/300 300 0.044
    τ10/290 290 0.010
    τ10/280 280
    τ10/270 270
    τ10/260 260
    τ10/250 250
    Partial Dispersion
    Characteristics
    Ps,t 0.2861
    PC,s 0.5408
    Pd,C 0.3042
    Pe,d 0.2383
    Pg,F 0.5450
    Pi,h 0.7764
    P's,t 0.2836
    P'C',s 0.5843
    P'd,C' 0.2536
    P'e,d 0.2363
    P'g,F' 0.4838
    P'i,h 0.7698
    Characteristics
    ΔPC,t 0.0266
    ΔPC,s 0.0124
    ΔPF,e -0.0026
    ΔPg,F -0.0083
    ΔPi,g -0.0428