Kopp 3385  
Note: Graph and tabular data at 3.00 mm
Filter Specifications
Transmission must be 37% between 466 nm and 491 nm (cut-off wavelength)
Transmission must be 80% from 551 nm to 750 nm
Transmission must be < 0.5% at wavelength shorter than 441 nm
Difference between 15% and 60% transmission must be < 25 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 3385  
Wavelength Transmission Wavelength Transmission Wavelength Transmission
(nm) (%) (nm) (%) (nm) (%)
200 0.00 435 0.00 670 91.42
205 0.00 440 0.00 675 91.27
210 0.00 445 0.00 680 91.35
215 0.00 450 0.00 685 91.38
220 0.00 455 0.00 690 91.17
225 0.00 460 0.00 695 91.12
230 0.00 465 0.00 700 91.09
235 0.00 470 0.04 705 91.09
240 0.00 475 3.06 710 90.89
245 0.00 480 30.45 715 90.92
250 0.00 485 61.94 720 90.92
255 0.00 490 74.92 725 90.82
260 0.00 495 79.75 730 90.69
265 0.00 500 81.79 735 90.69
270 0.00 505 83.25 740 90.61
275 0.00 510 84.33 745 90.59
280 0.00 515 85.21 750 90.45
285 0.00 520 85.92 755 90.38
290 0.00 525 86.87 760 90.30
295 0.00 530 87.47 765 90.27
300 0.00 535 87.94 770 90.27
305 0.00 540 88.54 775 90.00
310 0.00 545 88.91 780 90.10
315 0.00 550 89.21 785 89.83
320 0.00 555 89.72 790 89.86
325 0.00 560 89.99 795 89.74
330 0.00 565 90.17 800 89.59
335 0.00 570 90.43 805 89.63
340 0.00 575 90.57 810 89.59
345 0.00 580 90.86 815 89.40
350 0.00 585 90.91 820 89.31
355 0.00 590 91.09 825 89.50
360 0.00 595 91.18 830 89.20
365 0.00 600 91.31 835 89.17
370 0.00 605 91.29 840 88.99
375 0.00 610 91.39 845 88.71
380 0.00 615 91.37 850 88.96
385 0.00 620 91.46 855 88.83
390 0.00 625 91.39 860 89.02
395 0.00 630 91.47 865 88.58
400 0.00 635 91.43 870 88.53
405 0.00 640 91.37 875 87.87
410 0.00 645 91.40 880 89.75
415 0.00 650 91.52 885 88.05
420 0.00 655 91.40 890 88.38
425 0.00 660 91.41 895 87.83
430 0.00 665 91.37 900 88.61