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A novel trihedral reflector (also known as hollow cube-corner reflector) with two cylindrical surfaces is proposed. This reflector has bottom side represented by two cylindrical surfaces, which axes constitute a 45° angle. Novel reflector solves the problem of an objects pitch measurement using singular cylindrical cube-corner reflector. Main benefit is that an image of this reflector consists of three lines, allowing to differ more consistently and to measure all three angles of object rotation.
Mikhail Nikitin,Igor Konyakhin,Renpu Li, andHan Xiao
"Benefits of trihedral reflectors with two cylindrical surfaces for three-dimensional autocollimation measurements", Proc. SPIE 12314, Optoelectronic Devices and Integration XI, 123140P (20 December 2022); https://doi.org/10.1117/12.2641901
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Mikhail Nikitin, Igor Konyakhin, Renpu Li, Han Xiao, "Benefits of trihedral reflectors with two cylindrical surfaces for three-dimensional autocollimation measurements," Proc. SPIE 12314, Optoelectronic Devices and Integration XI, 123140P (20 December 2022); https://doi.org/10.1117/12.2641901