Recent content by TLU SPS
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Undergrad Optics Research: Focus Light to <5mm, Cheap Lens Solutions
Greetings, I am a student doing research and I have a diverging LED array light source outfitted with a diffuser and I need it to focus to a beam width of smaller than 5mm in order to image a optical trapping on a CCD camera. My apparatus has about 10cm of space underneath it, so I have to be...