Using my Premiere professional binocular microscope (model - 3000,) and a new camera I got for it; an AmScope MD-500 5 megapixel HD cmos camera, I was finally able to image both slits at 100 X magnification with great clarity, here is what they look like;
I would rather use my open-air slit design...
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I think there is with the acetate film slits, I compared 2 laser lines (532nm) thru a quartz cuvette filled with Ethanol and the EEM plots showed that the peak signal for the acetate slit was "flat," while the open-air design slit was nice and sharp. http://publiclab.org/notes/dhaffnersr/08-20-2016/eem-2d-spectrums-showing-evidence-of-attenuation-from-imperfections-in-acetate-film-strips
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Hi David - I certainly don't like the bubbles in the acetate; your razor slit is much nicer! I was wondering, though, if there is a Fourier windowing effect that happens with the slits where a gradual cutoff at the edge can reduce diffraction artifacts - like windowing an FFT to prevent edge effects?
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