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    RG905

    A longpass filter with low transmission in short wavelengths range and high transmission in long wavelength ranges. They seperate visible from infrared light.

    Find more information in the tabs below or on our website.

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    *product image is exemplary.

    RG905.jpeg
    Spectral values guaranteed
    τi (405nm) ≤0.002
    τi (900nm) ≥0.96
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    SCHOTT Article
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      Download Data sheet RG905
      Article Details
       
      Technical Details
      Internal Transmittance (Chart)

      Only values between 1 and 30 with one decimal place are allowed.

      Lambda [nm]
      200
      300
      400
      500
      600
      700
      800
      900
      1000
      1100
      1200
      1E-5
      1E-4
      1E-3
      0.01
      0.05
      0.1
      0.2
      0.3
      0.4
      0.5
      0.6
      0.7
      0.8
      0.9
      0.95
      0.96
      0.97
      0.98
      0.99
      SCHOTT
      RG905 - RG905
      Thickness
      4.0
      Reflection factor
      0.9210
      Internal Transmittance (Table)
      λ [nm]
      200
      210
      220
      230
      240
      250
      260
      270
      280
      290
      300 < 10⁻³
      310 < 10⁻³
      320 < 10⁻³
      330
      340
      350
      360
      370 < 10⁻³
      380
      390
      400
      410 < 10⁻³
      420 < 10⁻³
      430 < 10⁻³
      440 < 10⁻³
      450 0.003
      460 0.011
      470 0.026
      480 0.040
      490 0.043
      λ [nm]
      500 0.040
      510 0.026
      520 0.013
      530 0.005
      540 0.003
      550 0.005
      560 0.010
      570 0.008
      580 0.002
      590 < 10⁻³
      600 < 10⁻³
      610 < 10⁻³
      620 < 10⁻³
      630 < 10⁻³
      640 < 10⁻³
      650 < 10⁻³
      660 < 10⁻³
      670 0.002
      680 0.017
      690 0.078
      700 0.216
      710 0.380
      720 0.518
      730 0.623
      740 0.704
      750 0.769
      760 0.822
      770 0.863
      780 0.896
      790 0.921
      λ [nm]
      800 0.939
      810 0.952
      820 0.961
      830 0.967
      840 0.972
      850 0.974
      860 0.976
      870 0.976
      880 0.977
      890 0.976
      900 0.975
      910 0.974
      920 0.973
      930 0.971
      940 0.968
      950 0.965
      960 0.962
      970 0.957
      980 0.952
      990 0.946
      1,000 0.938
      1,010 0.929
      1,020 0.918
      1,030 0.905
      1,040 0.890
      1,050 0.872
      1,060 0.851
      1,070 0.827
      1,080 0.801
      1,090 0.771
      λ [nm]
      1,100 0.740
      1,110 0.706
      1,120 0.669
      1,130 0.632
      1,140 0.593
      1,150 0.555
      1,160 0.515
      1,170 0.477
      1,180 0.440
      1,190 0.405
      1,200 0.374
      1,250 0.261
      1,300 0.229
      1,350 0.255
      1,400 0.264
      1,450 0.224
      1,500 0.195
      1,550 0.201
      1,600 0.232
      1,650 0.251
      1,700 0.245
      1,750 0.240
      1,800 0.256
      1,850 0.302
      1,900 0.369
      1,950 0.444
      2,000 0.511
      2,050 0.563
      2,100 0.606
      2,150 0.642
      λ [nm]
      2,200 0.668
      2,250 0.695
      2,300 0.723
      2,350 0.742
      2,400 0.753
      2,450 0.753
      2,500 0.746
      2,550 0.738
      2,600 0.727
      2,650 0.711
      2,700 0.673
      2,750 0.441
      2,800 0.304
      2,850 0.277
      2,900 0.267
      2,950 0.254
      3,000 0.232
      3,050 0.205
      3,100 0.176
      3,150 0.148
      3,200 0.123
      3,250 0.102
      3,300 0.084
      3,350 0.070
      3,400 0.059
      3,450 0.052
      3,500 0.046
      3,550 0.044
      3,600 0.043
      3,650 0.043
      λ [nm]
      3,700 0.044
      3,750 0.046
      3,800 0.049
      3,850 0.053
      3,900 0.058
      3,950 0.062
      4,000 0.063
      4,050 0.059
      4,100 0.051
      4,150 0.041
      4,200 0.031
      4,250 0.022
      4,300 0.015
      4,350 0.009
      4,400 0.005
      4,450 0.002
      4,500 < 10⁻³
      4,550 < 10⁻³
      4,600 < 10⁻³
      4,650 < 10⁻³
      4,700 < 10⁻³
      4,750 < 10⁻³
      4,800 < 10⁻³
      4,850 < 10⁻³
      4,900 < 10⁻³
      4,950 < 10⁻³
      5,000 < 10⁻³
      5,050 < 10⁻³
      5,100 < 10⁻³
      5,150 < 10⁻³
      Optical values
      Reflection factor
      Pd 0.921
      Reference thickness
      d [mm] 4
      Spectral values guaranteed
      τi (405nm) ≤0.002
      τi (900nm) ≥0.96
      Refractive Indices n
      nF (486.1 nm) = 1.516
      nh (404.7 nm) = 1.525
      ng (435.8 nm) = 1.521
      ns (852.1 nm) = 1.502
      ne (546.1 nm) = 1.512
      nd (587.6 nm) = 1.510
      Colorimetric evaluation
      Illuminant A(Planck T = 2347K)
      d [mm] 1 2 3
      x
      y
      Y
      λd [nm]
      Pe
      Illuminant Planck T = 3200 K
      d [mm] 1 2 3
      x
      y
      Y
      λd [nm]
      Pe
      Illuminant D65 (TC = 6504 K)
      d [mm] 1 2 3
      x
      y
      Y
      λd [nm]
      Pe
      Physical values
      Density
      p [g/cm3] 2.5386
      Bubble content
      Bubble class -
      Transformation temperature
      Tg [°C] 481
      Temperature coefficient
      Tk [nm/°C]
      Chemical Resistance
      FR class 0
      SR class 1.0
      AR class 1.0
      Thermal expansion
      α-30°C/+70°C [10-6/K] 8.81
      α20°C/300°C [10-6/K] 10.1
      α20°C/200°C [10-6/K]
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