Kopp 5970  
Note: Graph and tabular data at 4.90 mm
Filter Specifications
Transmission must be > 80% at 365 nm 
Physical Properties
Nominal Thickness Range 4.9 - 5.1 mm
Refractive Index nD = 1.55
Density 2.94 g/cm3
Thermal Linear Expansion 112E-7 /ēC (30-300 ēC)
Strain Temperature 500 ēC
Annealing Temperature 541 ēC
Deformation Temperature 717 ēC
                   
    Kopp 5970  
Wavelength Transmission Wavelength Transmission Wavelength Transmission
(nm) (%) (nm) (%) (nm) (%)
200 0.00 435 0.00 670 0.00
205 0.00 440 0.00 675 0.00
210 0.00 445 0.00 680 0.01
215 0.00 450 0.00 685 0.09
220 0.00 455 0.00 690 0.45
225 0.00 460 0.00 695 1.50
230 0.00 465 0.00 700 3.45
235 0.00 470 0.00 705 6.24
240 0.00 475 0.00 710 9.67
245 0.00 480 0.00 715 13.51
250 0.00 485 0.00 720 17.52
255 0.00 490 0.00 725 21.53
260 0.00 495 0.00 730 26.25
265 0.00 500 0.00 735 32.22
270 0.00 505 0.01 740 38.66
275 0.00 510 0.02 745 43.73
280 0.00 515 0.03 750 46.36
285 0.00 520 0.05 755 45.84
290 0.00 525 0.07 760 42.16
295 0.00 530 0.10 765 36.42
300 0.23 535 0.00 770 31.33
305 1.24 540 0.00 775 29.01
310 4.30 545 0.00 780 29.52
315 10.56 550 0.00 785 31.89
320 19.96 555 0.00 790 34.38
325 31.55 560 0.00 795 35.83
330 43.81 565 0.00 800 35.79
335 55.65 570 0.00 805 34.76
340 65.59 575 0.00 810 33.30
345 73.37 580 0.00 815 31.35
350 79.22 585 0.00 820 29.45
355 82.63 590 0.00 825 27.53
360 84.61 595 0.00 830 25.64
365 85.16 600 0.00 835 23.86
370 84.51 605 0.00 840 22.27
375 82.71 610 0.00 845 20.79
380 79.17 615 0.00 850 19.47
385 72.94 620 0.00 855 18.23
390 63.06 625 0.00 860 17.38
395 48.19 630 0.00 865 16.23
400 30.82 635 0.00 870 15.33
405 15.60 640 0.00 875 14.57
410 5.96 645 0.00 880 13.79
415 1.69 650 0.00 885 13.03
420 0.37 655 0.00 890 12.71
425 0.07 660 0.00 895 12.45
430 0.01 665 0.00 900 11.92