Kopp 3750  
Note: Graph and tabular data at 4.6 mm
Filter Specifications
Maximum transmission at 473 ± 5 nm
Transmission at 480 nm must be 55 ± 0.7%
Physical Properties
Nominal Thickness Range 4.4 - 5.6 mm
Refractive Index nD = 1.51
Density 2.36 g/cm3
Thermal Linear Expansion 80E-7 /șC (30-300 șC)
Strain Temperature 557 șC
Annealing Temperature 603 șC
Deformation Temperature 796 șC
                   
                   
    Kopp 3750  
Wavelength Transmission Wavelength Transmission Wavelength Transmission
(nm) (%) (nm) (%) (nm) (%)
200 0.03 435 14.19 670 90.95
205 0.04 440 22.15 675 91.08
210 0.04 445 31.39 680 91.07
215 0.04 450 39.69 685 91.06
220 0.03 455 43.84 690 91.06
225 0.03 460 44.65 695 91.08
230 0.03 465 52.15 700 91.18
235 0.03 470 57.38 705 91.24
240 0.04 475 57.13 710 91.35
245 0.03 480 55.29 715 91.39
250 0.04 485 54.08 720 91.51
255 0.03 490 54.95 725 91.52
260 0.04 495 56.84 730 91.55
265 0.03 500 58.99 735 91.57
270 0.03 505 63.78 740 91.50
275 0.03 510 70.88 745 91.59
280 0.04 515 78.17 750 91.50
285 0.03 520 83.43 755 91.49
290 0.03 525 85.82 760 91.47
295 0.03 530 86.83 765 91.28
300 0.04 535 87.48 770 91.30
305 0.02 540 87.86 775 91.18
310 0.02 545 88.06 780 90.97
315 0.02 550 88.18 785 90.78
320 0.02 555 88.35 790 90.55
325 0.01 560 88.36 795 90.29
330 0.02 565 88.52 800 89.95
335 0.02 570 88.52 805 89.34
340 0.02 575 88.62 810 88.97
345 0.02 580 88.69 815 88.38
350 0.12 585 88.69 820 87.76
355 2.00 590 88.84 825 87.49
360 9.17 595 89.07 830 87.08
365 18.38 600 89.43 835 87.15
370 27.09 605 89.50 840 86.98
375 30.84 610 89.65 845 87.35
380 31.18 615 89.81 850 87.80
385 25.04 620 89.90 855 87.85
390 17.45 625 89.98 860 88.15
395 11.52 630 90.21 865 88.85
400 7.51 635 90.24 870 88.72
405 5.38 640 90.34 875 88.31
410 4.23 645 90.45 880 89.25
415 4.13 650 90.55 885 89.00
420 4.67 655 90.67 890 88.43
425 6.17 660 90.78 895 87.48
430 9.83 665 90.92 900 88.68