Optical instrument creates many divergent light beams for surveying and machine element alignment applications. Angles and refractive indices of stack of prisms are selected to divert incoming laser beam by small increments, different for each prism. Angles of emerging beams thus differ by small, precisely-controlled amounts. Instrument is nearly immune to vibration, changes in gravitational force, temperature variations, and mechanical distortion.
Multibeam collimator uses prism stack
NASA Tech Briefs ; 5 , 4
1981-04-01
Miscellaneous
No indication
English
Imaging system uses prism to work fast
British Library Online Contents | 2001
British Library Conference Proceedings | 2003
|British Library Online Contents | 1996
|Advanced Multibeam Echosounder Technology
British Library Online Contents | 1995
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