Paper
28 June 1999 Cross talk cancellation with a quadrant cell detector
Robert S. Upton, Farhad Akhavan, Tomas D. Milster, Warren L. Bletscher, James Kevin Erwin, Anson M. Nicol, Steban Flores
Author Affiliations +
Abstract
An effective method of cross talk cancellation involves the use of a signal formed from a quadrant pupil detector placed in the collimated portion of the reflected light, as shown in Fig 1.
© (1999) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Robert S. Upton, Farhad Akhavan, Tomas D. Milster, Warren L. Bletscher, James Kevin Erwin, Anson M. Nicol, and Steban Flores "Cross talk cancellation with a quadrant cell detector", Proc. SPIE 3864, Joint International Symposium on Optical Memory and Optical Data Storage 1999, 386409 (28 June 1999); https://doi.org/10.1117/12.997569
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KEYWORDS
Sensors

Collimation

Diffraction

Optical filters

Optical storage

Signal detection

Electronic filtering

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