NASA NTRS · 19780000174
Laser beam color separator
Abstract
Multiwavelength laser beam is separated into series of parallel color beams using prism and retroreflector. Setup is inexpensive and needs no critical adjustments. It can incorporate several prisms to increase dispersion and reduce overall size. Transmission grating can be used instead of prism with sacrifice in efficiency. Spatial filter can remove unwanted beams.
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Franke, J. M.. 1978-10-01. Laser beam color separator. https://ntrs.nasa.gov/citations/19780000174
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