Kopp 4305  
Note: Graph and tabular data at 3.80 mm
Filter Specifications
Transmission at 576 nm must be 15 ± 0.7% 
Difference between 15% and 60% transmission must 50 - 60 nm
Maximum transmission must be at 464 ± 5 nm
Physical Properties
Nominal Thickness Range 3.5 - 4.5 mm
Refractive Index nD = 1.51
Density 2.50 g/cm3
Thermal Linear Expansion 95E-7 /șC (30-300 șC)
Strain Temperature 474 șC
Annealing Temperature 511 șC
Deformation Temperature 685 șC
                   
                   
    Kopp 4305  
Wavelength Transmission Wavelength Transmission Wavelength Transmission
(nm) (%) (nm) (%) (nm) (%)
200 0.00 435 75.66 670 0.26
205 0.00 440 76.15 675 0.21
210 0.00 445 76.73 680 0.17
215 0.00 450 77.15 685 0.15
220 0.00 455 77.58 690 0.12
225 0.00 460 77.82 695 0.10
230 0.00 465 77.98 700 0.09
235 0.00 470 77.75 705 0.08
240 0.00 475 77.45 710 0.07
245 0.00 480 76.99 715 0.06
250 0.00 485 76.04 720 0.05
255 0.00 490 74.86 725 0.05
260 0.00 495 73.36 730 0.04
265 0.00 500 71.47 735 0.04
270 0.00 505 68.95 740 0.04
275 0.00 510 66.27 745 0.03
280 0.00 515 63.01 750 0.03
285 0.00 520 59.39 755 0.03
290 0.00 525 55.42 760 0.03
295 0.00 530 51.24 765 0.03
300 0.00 535 46.82 770 0.03
305 0.00 540 42.32 775 0.03
310 0.00 545 37.83 780 0.02
315 0.00 550 33.47 785 0.03
320 0.00 555 29.22 790 0.03
325 0.04 560 25.34 795 0.03
330 0.43 565 21.73 800 0.03
335 2.02 570 18.38 805 0.03
340 5.98 575 15.46 810 0.03
345 12.45 580 12.91 815 0.03
350 20.72 585 10.66 820 0.03
355 29.41 590 8.76 825 0.03
360 37.45 595 7.14 830 0.03
365 44.53 600 5.79 835 0.03
370 50.15 605 4.66 840 0.03
375 54.30 610 3.74 845 0.03
380 57.52 615 2.99 850 0.04
385 61.12 620 2.38 855 0.04
390 64.32 625 1.89 860 0.04
395 66.71 630 1.50 865 0.04
400 68.57 635 1.19 870 0.05
405 70.11 640 0.95 875 0.04
410 71.35 645 0.75 880 0.06
415 72.54 650 0.60 885 0.06
420 73.50 655 0.48 890 0.07
425 74.36 660 0.39 895 0.07
430 75.07 665 0.31 900 0.08