why is there even lines and red waves? what would this symbolize?

you must get a 13 letter word from what you see.

HINT: the image name may help, someway somehow.
HINT 2: once you have the second image, you're looking for the puzzlemakers [a scavenger hunt, as one would say?]


ans contains alphanumeric characters.

puzzle by nat (@trin2trotoluene)