Gerald F. Marshall
Consultant in Optics
SPIE Involvement:
Author | Instructor
Publications (16)

SPIE Conference Volume | 1 August 2005

Proceedings Article | 4 June 2002
Proc. SPIE. 4773, Optical Scanning 2002
KEYWORDS: Optical components, Mirrors, Scanners, Light scattering, Collimation, Optical scanning, Objectives, Geometrical optics, Optical scanning systems, Polygon scanners

SPIE Conference Volume | 4 June 2002

Proceedings Article | 4 June 2002
Proc. SPIE. 4773, Optical Scanning 2002
KEYWORDS: Optomechanical design, Fluctuations and noise, Visualization, Scanners, Head, Collimation, Optical scanning, Objectives, Computer aided design, Polygon scanners

SPIE Conference Volume | 2 July 1999

Showing 5 of 16 publications
Conference Committee Involvement (7)
Optical Scanning 2005
31 July 2005 | San Diego, California, United States
Optical Scanning 2002
9 July 2002 | Seattle, WA, United States
Optical Scanning: Design and Application
21 July 1999 | Denver, CO, United States
Beam Deflection and Scanning Technologies
1 February 1991 | San Jose, CA, United States
34th Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering
8 July 1990 | San Diego, United States
Showing 5 of 7 Conference Committees
Course Instructor
SC725: Optical & Laser Scanning Technology: Devices, Systems & Applications
This course provides attendees with a basic working knowledge of optical and laser scanning devices and scanning system design. The course covers: scan patterns; pre-objective and post-objective system configurations; reflective, holographic and transmissive scanners; polygonal, galvanometric, resonant and acousto-optical scanners; their advantages and disadvantages. The course illustrates: • Cross- and along-scan errors and how to minimize their effects. • Polygonal facet errors and how to reduce their effects on image quality. • Stationary ghost images in the image format and how to eliminate them. You will become at ease with how one designs an optical scanning system for many varied applications.
SC009: Optical Scanning Technology and Applications
The course covers the principles of optical scanning, beam characteristics, optical configurations, scanner types, mechanical aspects, image quality, and design procedures. It describes and compares reflective, refractive and diffractive scanning devices, and illustrates the applications of scanning devices, input (readers) and output (recorders) scanners.
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