Kopp 3965  
Note: Graph and tabular data at 2.50 mm
Filter Specifications
Transmission for Total Radiation (Illuminant 2854 K) must be 17.0 1.0%
Minimum Value for Luminous Transmittance (Illuminant 2854 K) must be 64.8%
Physical Properties
Nominal Thickness Range 2.15 - 2.85 mm
Refractive Index nD = 1.50
Density 2.41 g/cm3
Thermal Linear Expansion 48E-7 /C (30-300 C)
Strain Temperature 533 C
Annealing Temperature 569 C
Deformation Temperature 766 C
                   
                   
    Kopp 3965  
Wavelength Transmission Wavelength Transmission Wavelength Transmission
(nm) (%) (nm) (%) (nm) (%)
200 0.01 435 78.73 670 49.82
205 0.00 440 79.04 675 48.28
210 0.01 445 79.36 680 46.70
215 0.01 450 79.91 685 45.03
220 0.01 455 80.35 690 43.51
225 0.01 460 80.64 695 41.89
230 0.01 465 80.93 700 40.36
235 0.01 470 81.17 705 38.83
240 0.01 475 81.48 710 37.34
245 0.01 480 81.72 715 35.91
250 0.01 485 81.87 720 34.51
255 0.01 490 81.98 725 33.14
260 0.01 495 82.00 730 31.74
265 0.01 500 81.94 735 30.38
270 0.01 505 81.86 740 29.08
275 0.01 510 81.69 745 27.86
280 0.00 515 81.50 750 26.67
285 0.00 520 81.20 755 25.50
290 0.00 525 80.71 760 24.43
295 0.00 530 80.40 765 23.39
300 0.00 535 80.10 770 22.32
305 0.01 540 79.66 775 21.36
310 0.04 545 79.12 780 20.45
315 0.32 550 78.59 785 19.59
320 1.34 555 78.03 790 18.73
325 4.04 560 77.49 795 17.90
330 9.19 565 76.78 800 17.14
335 16.49 570 75.87 805 16.37
340 25.43 575 74.85 810 15.78
345 34.32 580 73.82 815 15.15
350 42.64 585 72.73 820 14.59
355 50.08 590 71.83 825 14.05
360 56.05 595 70.94 830 13.51
365 61.08 600 69.89 835 13.04
370 64.80 605 68.74 840 12.58
375 67.17 610 67.47 845 12.16
380 69.14 615 66.18 850 11.77
385 71.20 620 64.82 855 11.41
390 73.04 625 63.40 860 11.00
395 74.36 630 61.92 865 10.71
400 75.28 635 60.42 870 10.30
405 76.11 640 58.93 875 9.96
410 76.71 645 57.38 880 9.77
415 77.18 650 55.93 885 9.28
420 77.71 655 54.39 890 9.31
425 78.17 660 52.93 895 8.91
430 78.43 665 51.38 900 8.33