need to check the real shinkosha name

white dot at top towarsd laser

not fully sure about discontinuities... maybe from slight polarizer misalignment?

sample = 'shinkosha_30_70_2'
thickness = 0.07

input_filenames = [
'Mon, Mar 17, 2025 3-45-13 PM.txt',
'Mon, Mar 17, 2025 6-30-29 PM.txt',
'Mon, Mar 17, 2025 7-30-47 PM.txt',
'Mon, Mar 17, 2025 8-10-36 PM.txt',
'Mon, Mar 17, 2025 10-55-47 PM.txt',
'Tue, Mar 18, 2025 9-42-41 AM.txt'
]
output_filenames = [
'Mon, Mar 17, 2025 3-32-27 PM.txt',
'Mon, Mar 17, 2025 6-53-42 PM.txt',
'Mon, Mar 17, 2025 7-57-16 PM.txt',
'Mon, Mar 17, 2025 10-38-46 PM.txt',
'Mon, Mar 17, 2025 11-21-20 PM.txt',
'Tue, Mar 18, 2025 10-17-20 AM.txt'
]