Kopp 3966  
Note: Graph and tabular data at 2.75 mm
Filter Specifications
Transmission for Total Radiation (Illuminant 2854 K) must be 32.0 2.0%
Minimum Value for Luminous Transmittance (Illuminant 2854 K) must be 75%
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 3966  
Wavelength Transmission Wavelength Transmission Wavelength Transmission
(nm) (%) (nm) (%) (nm) (%)
200 0.00 435 82.62 670 62.88
205 0.00 440 82.65 675 61.74
210 0.00 445 82.97 680 60.61
215 0.00 450 83.29 685 59.35
220 0.00 455 83.50 690 58.09
225 0.00 460 83.69 695 56.93
230 0.00 465 83.93 700 55.66
235 0.00 470 84.00 705 54.39
240 0.00 475 84.17 710 53.14
245 0.00 480 84.26 715 51.92
250 0.00 485 84.37 720 50.64
255 0.00 490 84.34 725 49.40
260 0.00 495 84.31 730 48.14
265 0.00 500 84.35 735 46.93
270 0.00 505 84.18 740 45.65
275 0.00 510 84.14 745 44.43
280 0.00 515 83.95 750 43.26
285 0.00 520 83.70 755 42.11
290 0.00 525 83.56 760 40.91
295 0.00 530 83.35 765 39.74
300 0.01 535 83.19 770 38.65
305 0.10 540 82.94 775 37.57
310 0.63 545 82.53 780 36.47
315 2.43 550 82.20 785 35.47
320 6.68 555 81.90 790 34.51
325 13.82 560 81.55 795 33.53
330 23.28 565 81.04 800 32.56
335 33.74 570 80.64 805 31.68
340 43.72 575 80.07 810 30.84
345 52.60 580 79.45 815 30.00
350 59.63 585 78.81 820 29.24
355 65.45 590 78.10 825 28.49
360 69.70 595 77.36 830 27.69
365 73.24 600 76.71 835 27.07
370 75.26 605 75.93 840 26.35
375 76.27 610 75.08 845 25.76
380 77.14 615 74.26 850 25.10
385 78.71 620 73.34 855 24.55
390 80.02 625 72.43 860 24.05
395 80.92 630 71.43 865 23.43
400 81.35 635 70.35 870 22.79
405 81.59 640 69.35 875 22.37
410 81.84 645 68.31 880 22.14
415 81.94 650 67.23 885 21.45
420 82.22 655 66.18 890 21.18
425 82.44 660 65.13 895 20.62
430 82.57 665 64.01 900 20.73