N-LASF40

Glass Code:  834373.443

“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 1.83404 νd 37.30
ne 1.83935 νe 37.04
nF-nC 0.022363 nF'-nC' 0.022658
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    Article Details
     
    Technical Details
    Refractive Indices
    Characteristics λ [nm]
    n2,325.4 2,325.4 1.78600
    n1,970.1 1,970.1 1.79298
    n1,529.6 1,529.6 1.80074
    n1,060.0 1,060.0 1.80999
    nt 1,014.0 1.81118
    ns 852.1 1.81643
    nr 706.5 1.82380
    nC 656.3 1.82745
    nC' 643.8 1.82849
    Characteristics λ [nm]
    n632.8 632.8 1.82946
    nD 589.3 1.83385
    nd 587.6 1.83404
    ne 546.1 1.83935
    nF 486.1 1.84981
    nF' 480.0 1.85114
    ng 435.8 1.86275
    nh 404.7 1.87393
    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 0.240
    τ25/2325 2,325 0.590
    τ25/1970 1,970 0.910
    τ25/1530 1,530 0.982
    τ25/1060 1,060 0.995
    τ25/700 700 0.996
    τ25/660 660 0.994
    τ25/620 620 0.993
    τ25/580 580 0.992
    τ25/546 546 0.988
    τ25/500 500 0.969
    τ25/460 460 0.933
    τ25/436 436 0.890
    τ25/420 420 0.850
    τ25/405 405 0.780
    τ25/400 400 0.750
    τ25/390 390 0.650
    τ25/380 380 0.510
    τ25/370 370 0.280
    τ25/365 365 0.150
    τ25/350 350
    τ25/334 334
    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 0.565
    τ10/2325 2,325 0.810
    τ10/1970 1,970 0.963
    τ10/1530 1,530 0.993
    τ10/1060 1,060 0.998
    τ10/700 700 0.998
    τ10/660 660 0.998
    τ10/620 620 0.997
    τ10/580 580 0.997
    τ10/546 546 0.995
    τ10/500 500 0.987
    τ10/460 460 0.973
    τ10/436 436 0.954
    τ10/420 420 0.937
    τ10/405 405 0.905
    τ10/400 400 0.891
    τ10/390 390 0.842
    τ10/380 380 0.764
    τ10/370 370 0.601
    τ10/365 365 0.468
    τ10/350 350 0.044
    τ10/334 334
    τ10/320 320
    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 0.2346
    PC,s 0.4929
    Pd,C 0.2948
    Pe,d 0.2371
    Pg,F 0.5786
    Pi,h
    P's,t 0.2315
    P'C',s 0.5321
    P'd,C' 0.2453
    P'e,d 0.2340
    P'g,F' 0.5124
    P'i,h
    Characteristics
    ΔPC,t 0.0055
    ΔPC,s 0.0030
    ΔPF,e -0.0007
    ΔPg,F -0.0024
    ΔPi,g