Kopp 2412  
Note: Graph and tabular data at 3.80 mm
Filter Specifications
Transmission must be 37% between 610 nm and 619 nm (cut-off wavelength)
Transmission must be 80% from 649 nm to 750 nm
Transmission must be < 0.5% at wavelength shorter than 590 nm
Difference between 15% and 60% transmission must be < 15 nm
Physical Properties
Nominal Thickness Range 1.4 - 4.6 mm
Refractive Index nD = 1.50
Density 2.41 g/cm3
Thermal Linear Expansion 40E-7 /C (30-300 C)
Strain Temperature 517 C
Annealing Temperature 526 C
Deformation Temperature 707 C
                   
    Kopp 2412  
Wavelength Transmission Wavelength Transmission Wavelength Transmission
(nm) (%) (nm) (%) (nm) (%)
200 0.00 435 0.00 670 89.29
205 0.00 440 0.00 675 89.48
210 0.00 445 0.00 680 89.68
215 0.00 450 0.00 685 89.66
220 0.00 455 0.00 690 89.90
225 0.00 460 0.00 695 89.90
230 0.00 465 0.00 700 90.03
235 0.00 470 0.00 705 90.10
240 0.00 475 0.00 710 90.03
245 0.00 480 0.00 715 90.06
250 0.00 485 0.00 720 90.01
255 0.00 490 0.00 725 90.00
260 0.00 495 0.00 730 90.03
265 0.00 500 0.00 735 89.97
270 0.00 505 0.00 740 89.90
275 0.00 510 0.00 745 89.92
280 0.00 515 0.00 750 89.97
285 0.00 520 0.00 755 89.73
290 0.00 525 0.00 760 89.68
295 0.00 530 0.00 765 89.65
300 0.00 535 0.00 770 89.61
305 0.00 540 0.00 775 89.50
310 0.00 545 0.00 780 89.39
315 0.00 550 0.00 785 89.36
320 0.00 555 0.00 790 89.26
325 0.00 560 0.00 795 89.07
330 0.00 565 0.00 800 88.96
335 0.00 570 0.00 805 88.89
340 0.00 575 0.01 810 88.72
345 0.00 580 0.02 815 88.61
350 0.00 585 0.05 820 88.55
355 0.00 590 0.18 825 88.48
360 0.00 595 0.79 830 88.32
365 0.00 600 3.80 835 87.98
370 0.00 605 14.95 840 87.85
375 0.00 610 36.50 845 87.64
380 0.00 615 58.00 850 87.41
385 0.00 620 71.91 855 87.42
390 0.00 625 79.43 860 87.36
395 0.00 630 83.48 865 87.82
400 0.00 635 85.52 870 87.36
405 0.00 640 86.77 875 87.27
410 0.00 645 87.51 880 87.20
415 0.00 650 88.01 885 87.12
420 0.00 655 88.40 890 87.08
425 0.00 660 88.70 895 85.10
430 0.00 665 89.03 900 85.68