Kopp 3389  
Note: Graph and tabular data at 4.60 mm
Filter Specifications
Transmission must be 37% between 416 nm and 436 nm (cut-off wavelength)
Transmission must be 80% from 511 nm to 750 nm
Transmission must be < 0.5% at wavelength shorter than 391 nm
Difference between 15% and 60% transmission must be < 35 nm
Physical Properties
Nominal Thickness Range 1.4 - 4.6 mm
Refractive Index nD = 1.51
Density 2.46 g/cm3
Thermal Linear Expansion 54E-7 /C (30-300 C)
Strain Temperature 400 C
Annealing Temperature 554 C
Deformation Temperature 590 C
                   
    Kopp 3389  
Wavelength Transmission Wavelength Transmission Wavelength Transmission
(nm) (%) (nm) (%) (nm) (%)
200 0.00 435 53.42 670 88.06
205 0.00 440 70.47 675 88.00
210 0.00 445 77.96 680 87.94
215 0.00 450 80.97 685 87.89
220 0.00 455 82.49 690 87.81
225 0.00 460 83.43 695 87.79
230 0.00 465 84.14 700 87.67
235 0.00 470 84.78 705 87.69
240 0.00 475 85.20 710 87.69
245 0.00 480 85.67 715 87.59
250 0.00 485 86.09 720 87.54
255 0.00 490 86.38 725 87.41
260 0.00 495 86.79 730 87.24
265 0.00 500 86.98 735 87.19
270 0.00 505 87.28 740 87.06
275 0.00 510 87.54 745 86.90
280 0.00 515 87.69 750 86.65
285 0.00 520 87.87 755 86.52
290 0.00 525 88.01 760 86.62
295 0.00 530 88.15 765 86.36
300 0.00 535 88.25 770 86.17
305 0.00 540 88.43 775 86.02
310 0.00 545 88.65 780 85.90
315 0.00 550 88.76 785 85.72
320 0.00 555 88.80 790 85.60
325 0.00 560 88.91 795 85.43
330 0.00 565 88.88 800 85.20
335 0.01 570 88.86 805 85.04
340 0.01 575 88.75 810 85.04
345 0.02 580 88.73 815 84.87
350 0.02 585 88.59 820 84.71
355 0.03 590 88.44 825 84.55
360 0.04 595 88.39 830 84.37
365 0.06 600 88.53 835 84.24
370 0.09 605 88.41 840 84.00
375 0.13 610 88.43 845 83.85
380 0.20 615 88.43 850 83.93
385 0.27 620 88.21 855 83.79
390 0.34 625 88.19 860 84.01
395 0.38 630 88.21 865 83.34
400 0.39 635 88.15 870 83.57
405 0.38 640 87.94 875 83.01
410 0.44 645 87.96 880 83.02
415 0.83 650 87.96 885 82.93
420 2.52 655 87.89 890 83.45
425 9.44 660 87.98 895 83.64
430 28.09 665 87.95 900 83.30