Expansion of the measuring range of an optical angle sensor based on laser autocollimation with a light source having multiple longitudinal modes
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DOI: 10.1088/1361-6501/adf90b
Abstract: An optical angle sensor based on laser autocollimation employing a laser source with multiple longitudinal modes (multi-mode laser), as well as a multi-element photodiode (PD array), is newly proposed. In the newly proposed optical angle… read more here.
Keywords: laser; longitudinal modes; angle sensor; optical angle ... See more keywords
High-Precision Optical Angle Detection Method for Two-Dimensional MEMS Mirrors
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DOI: 10.3390/mi16121346
Abstract: As a core component of MEMS LiDAR, the 2D MEMS mirror, with high-precision optical angle detection, is a key technology for radar scanning and imaging. Existing piezoresistive detection schemes of mirrors suffer from high fabrication… read more here.
Keywords: detection; angle detection; optical angle; angle ... See more keywords