An optical component including an interference filter which is less likely to generate back reflected light, where the filter is accommodated in a hollow cylindrical housing and is tilted with respect to the optical axis. The housing has front and back openings. First and second collimator lenses respectively face the front...
source Optical Component patent applications http://ift.tt/1A6bpBS
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source Optical Component patent applications http://ift.tt/1A6bpBS
via
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