Kopp 5900  
Note: Graph and tabular data at 5.50 mm
Filter Specifications
This filter glass is used for altering the effective color temperature of radiation  
depending on the thickness of the glass
Physical Properties
Nominal Thickness Range 5.0 - 6.0 mm
Refractive Index nD = 1.59
Density 3.27 g/cm3
Thermal Linear Expansion 108E-7 /ēC (30-300 ēC)
Strain Temperature 400 ēC
Annealing Temperature 440 ēC
Deformation Temperature 614 ēC
                   
                   
    Kopp 5900  
Wavelength Transmission Wavelength Transmission Wavelength Transmission
(nm) (%) (nm) (%) (nm) (%)
200 0.00 435 55.16 670 5.89
205 0.00 440 52.44 675 6.15
210 0.00 445 49.63 680 6.38
215 0.00 450 46.75 685 6.55
220 0.00 455 43.70 690 6.70
225 0.00 460 40.94 695 6.77
230 0.00 465 38.62 700 6.71
235 0.00 470 36.09 705 6.60
240 0.00 475 33.84 710 6.48
245 0.00 480 31.95 715 6.30
250 0.00 485 30.27 720 6.14
255 0.00 490 28.79 725 5.97
260 0.00 495 27.36 730 5.78
265 0.00 500 25.90 735 5.41
270 0.00 505 24.65 740 5.03
275 0.00 510 23.12 745 5.10
280 0.00 515 21.83 750 5.05
285 0.00 520 20.71 755 5.11
290 0.00 525 19.08 760 5.07
295 0.00 530 17.65 765 5.02
300 0.00 535 16.48 770 4.94
305 0.00 540 16.24 775 4.89
310 0.00 545 15.88 780 4.82
315 0.00 550 15.78 785 4.71
320 0.00 555 15.96 790 4.62
325 0.00 560 16.09 795 4.49
330 0.00 565 15.78 800 4.39
335 0.03 570 12.43 805 4.32
340 0.25 575 12.12 810 4.31
345 1.16 580 12.21 815 4.50
350 3.18 585 9.32 820 4.54
355 6.94 590 9.53 825 4.61
360 12.79 595 8.93 830 4.60
365 20.66 600 9.27 835 4.65
370 28.66 605 9.24 840 4.69
375 35.93 610 8.88 845 4.71
380 42.29 615 8.71 850 4.73
385 49.02 620 8.36 855 4.78
390 55.87 625 7.89 860 4.80
395 61.20 630 7.35 865 4.79
400 64.84 635 6.80 870 4.79
405 67.13 640 6.31 875 4.87
410 67.52 645 5.92 880 4.88
415 66.12 650 5.69 885 4.99
420 62.30 655 5.58 890 5.32
425 60.84 660 5.58 895 5.11
430 57.93 665 5.70 900 5.29