Kopp 2434  
Note: Graph and tabular data at 2.50 mm
Filter Specifications
Transmission must be 37% between 578 nm and 588 nm (cut-off wavelength)
Transmission must be ³ 80% from 618 nm to 750 nm 
Transmission must be < 0.5% at wavelength shorter than 558 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 /ºC (30-300 ºC)
Strain Temperature 517 ºC
Annealing Temperature 526 ºC
Deformation Temperature 707 ºC
                   
    Kopp 2434  
Wavelength Transmission Wavelength Transmission Wavelength Transmission
(nm) (%) (nm) (%) (nm) (%)
200 0.00 435 0.00 670 87.13
205 0.00 440 0.00 675 87.25
210 0.00 445 0.00 680 87.22
215 0.00 450 0.00 685 87.21
220 0.00 455 0.00 690 87.15
225 0.00 460 0.00 695 87.07
230 0.00 465 0.00 700 87.00
235 0.00 470 0.00 705 86.96
240 0.00 475 0.00 710 87.03
245 0.00 480 0.00 715 86.95
250 0.00 485 0.00 720 87.00
255 0.00 490 0.00 725 86.85
260 0.00 495 0.00 730 86.82
265 0.00 500 0.00 735 86.73
270 0.00 505 0.00 740 86.57
275 0.00 510 0.00 745 86.50
280 0.00 515 0.00 750 86.40
285 0.00 520 0.00 755 86.25
290 0.00 525 0.00 760 86.24
295 0.00 530 0.00 765 85.98
300 0.00 535 0.00 770 85.98
305 0.00 540 0.00 775 85.91
310 0.00 545 0.01 780 85.78
315 0.00 550 0.01 785 85.62
320 0.00 555 0.02 790 85.51
325 0.00 560 0.04 795 85.50
330 0.00 565 0.15 800 85.37
335 0.00 570 0.68 805 85.30
340 0.00 575 3.48 810 85.11
345 0.00 580 14.70 815 84.94
350 0.00 585 37.47 820 84.87
355 0.00 590 59.34 825 84.96
360 0.00 595 72.27 830 84.69
365 0.00 600 78.74 835 84.65
370 0.00 605 81.89 840 84.60
375 0.00 610 83.44 845 84.24
380 0.00 615 84.47 850 84.33
385 0.00 620 85.10 855 84.39
390 0.00 625 85.49 860 84.42
395 0.00 630 85.84 865 84.04
400 0.00 635 86.18 870 83.79
405 0.00 640 86.42 875 83.66
410 0.00 645 86.57 880 83.57
415 0.00 650 86.70 885 83.70
420 0.00 655 86.88 890 83.81
425 0.00 660 87.05 895 83.58
430 0.00 665 87.09 900 82.45