N-BAK2

Glass Code:  540597.286

“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 1.53996 νd 59.71
ne 1.54212 νe 59.44
nF-nC 0.009043 nF'-nC' 0.009120
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    Article Details
     
     
    Technical Details
    Refractive Indices
    Characteristics λ [nm]
    n2,325.4 2,325.4 1.51387
    n1,970.1 1,970.1 1.51871
    n1,529.6 1,529.6 1.52385
    n1,060.0 1,060.0 1.52919
    nt 1,014.0 1.52980
    ns 852.1 1.53234
    nr 706.5 1.53564
    nC 656.3 1.53721
    nC' 643.8 1.53765
    Characteristics λ [nm]
    n632.8 632.8 1.53806
    nD 589.3 1.53988
    nd 587.6 1.53996
    ne 546.1 1.54212
    nF 486.1 1.54625
    nF' 480.0 1.54677
    ng 435.8 1.55117
    nh 404.7 1.55525
    ni 365.0 1.56221
    Characteristics λ [nm]
    n334.1 334.1 1.56971
    n312.6 312.6 1.57660
    n296.7 296.7 1.58287
    n280.4 280.4
    n248.3 248.3
    Internal Transmittance
    Characteristics λ [nm]
    τ25/2500 2,500 0.500
    τ25/2325 2,325 0.630
    τ25/1970 1,970 0.850
    τ25/1530 1,530 0.984
    τ25/1060 1,060 0.997
    τ25/700 700 0.996
    τ25/660 660 0.995
    τ25/620 620 0.994
    τ25/580 580 0.995
    τ25/546 546 0.995
    τ25/500 500 0.994
    τ25/460 460 0.992
    τ25/436 436 0.992
    τ25/420 420 0.993
    τ25/405 405 0.993
    τ25/400 400 0.993
    τ25/390 390 0.992
    τ25/380 380 0.990
    τ25/370 370 0.989
    τ25/365 365 0.986
    τ25/350 350 0.971
    τ25/334 334 0.910
    τ25/320 320 0.700
    τ25/310 310 0.400
    τ25/300 300 0.100
    τ25/290 290
    τ25/280 280
    τ25/270 270
    τ25/260 260
    τ25/250 250
    Characteristics λ [nm]
    τ10/2500 2,500 0.758
    τ10/2325 2,325 0.831
    τ10/1970 1,970 0.937
    τ10/1530 1,530 0.994
    τ10/1060 1,060 0.999
    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 0.997
    τ10/436 436 0.997
    τ10/420 420 0.997
    τ10/405 405 0.997
    τ10/400 400 0.997
    τ10/390 390 0.997
    τ10/380 380 0.996
    τ10/370 370 0.996
    τ10/365 365 0.994
    τ10/350 350 0.988
    τ10/334 334 0.963
    τ10/320 320 0.867
    τ10/310 310 0.693
    τ10/300 300 0.398
    τ10/290 290 0.158
    τ10/280 280 0.040
    τ10/270 270
    τ10/260 260
    τ10/250 250
    Partial Dispersion
    Characteristics
    Ps,t 0.2810
    PC,s 0.5382
    Pd,C 0.3042
    Pe,d 0.2385
    Pg,F 0.5437
    Pi,h 0.7695
    P's,t 0.2787
    P'C',s 0.5817
    P'd,C' 0.2536
    P'e,d 0.2364
    P'g,F' 0.4826
    P'i,h 0.7630
    Characteristics
    ΔPC,t -0.0089
    ΔPC,s -0.0039
    ΔPF,e 0.0004
    ΔPg,F 0.0004
    ΔPi,g -0.0027