Kopp 1283  
Note: Graph and tabular data at 3.00 mm
Filter Specifications
Transmission at 770 nm must be < 1%
Transmission at 830 ± 9 nm must be > 45%
Transmission at 900 nm must be > 80%
Physical Properties
Nominal Thickness Range 3 mm
Refractive Index nD = 1.56
Density 2.95 g/cm3
Thermal Linear Expansion 94E-7 /șC (30-300 șC)
Strain Temperature 458 șC
Annealing Temperature 511 șC
Deformation Temperature 534 șC
                   
                   
    Kopp 1283  
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 0.00
215 0.00 450 0.00 685 0.00
220 0.00 455 0.00 690 0.00
225 0.00 460 0.00 695 0.00
230 0.00 465 0.00 700 0.00
235 0.00 470 0.00 705 0.00
240 0.00 475 0.00 710 0.00
245 0.00 480 0.00 715 0.00
250 0.00 485 0.00 720 0.00
255 0.00 490 0.00 725 0.00
260 0.00 495 0.00 730 0.00
265 0.00 500 0.00 735 0.00
270 0.00 505 0.00 740 0.00
275 0.00 510 0.00 745 0.00
280 0.00 515 0.00 750 0.00
285 0.00 520 0.00 755 0.00
290 0.00 525 0.00 760 0.00
295 0.00 530 0.00 765 0.00
300 0.00 535 0.00 770 0.00
305 0.00 540 0.00 775 0.00
310 0.00 545 0.00 780 0.00
315 0.00 550 0.00 785 0.01
320 0.00 555 0.00 790 0.04
325 0.00 560 0.00 795 0.15
330 0.00 565 0.00 800 0.46
335 0.00 570 0.00 805 1.33
340 0.00 575 0.00 810 3.44
345 0.00 580 0.00 815 7.76
350 0.00 585 0.00 820 14.98
355 0.00 590 0.00 825 24.87
360 0.00 595 0.00 830 36.06
365 0.00 600 0.00 835 46.97
370 0.00 605 0.00 840 56.63
375 0.00 610 0.00 845 64.35
380 0.00 615 0.00 850 70.36
385 0.00 620 0.00 855 74.51
390 0.00 625 0.00 860 77.67
395 0.00 630 0.00 865 79.79
400 0.00 635 0.00 870 81.78
405 0.00 640 0.00 875 82.97
410 0.00 645 0.00 880 84.33
415 0.00 650 0.00 885 84.33
420 0.00 655 0.00 890 84.80
425 0.00 660 0.00 895 84.47
430 0.00 665 0.00 900 84.65