Design and performance characterization of simultaneous reflectance and surface-mapping laser scanner for application in underwater inspection

Frank M. Caimi; Donna M. Kocak; Coy Colquitt

doi:10.1117/12.351650

2 July 1999 Design and performance characterization of simultaneous reflectance and surface-mapping laser scanner for application in underwater inspection

Frank M. Caimi, Donna M. Kocak, Coy Colquitt

Author Affiliations +

Proceedings Volume 3787, Optical Scanning: Design and Application; (1999) https://doi.org/10.1117/12.351650
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

In this paper we describe an approach and present results from a recently developed system that produces video-rate, 3D maps of the image space using a scanning laser configuration and a patented micro-channel plate intensified detector. The scene is viewed from a separate location to provide depth information via triangulation. The detector provides an estimate of position of the apparent landing spot of the laser beam for each scan angle from which a depth estimate is calculated. The system is designed to scan an approximate 15 X 15 degree field-of-view at distances from 1.5 to 2.5 meters with a resolution of 1.5 cm at rates of 10 - 30 full images per second, and can accommodate range gating to reduce scattered light interference.

Citation Download Citation

Frank M. Caimi, Donna M. Kocak, and Coy Colquitt "Design and performance characterization of simultaneous reflectance and surface-mapping laser scanner for application in underwater inspection", Proc. SPIE 3787, Optical Scanning: Design and Application, (2 July 1999); https://doi.org/10.1117/12.351650

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