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13 November 1980 I3 Sensor Wavefront Performance
J. K. Bowker, J. Feinleib, S. Landon, L. E. Schmutz, S. J. Tubbs
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Proceedings Volume 0190, Los Alamos Conference on Optics 1979; (1980) https://doi.org/10.1117/12.957729
Event: Los Alamos Conference on Optics '79, 1979, Los Alamos, United States
Abstract
The I3 Sensor is a modified Hartmann wavefront sensor which combines the simplicity of the basic test with modulation techniques. The result is a sensor with vastly improved stability and dynamic range over the basic Hartmann centroid measuring technique, while retaining the high light collection efficiency of the basic system. The 13 Sensor performance has been demonstrated to approach the theoretical performance limit of wavefront phase accuracy as a function of signal-to-noise ratio. These results were obtained in a practical engineering configuration. The basic form of the sensor, modulation and refer ence techniques will be described. The performance will be compared with the basic Hartmann test and with other wavefront sensors.
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J. K. Bowker, J. Feinleib, S. Landon, L. E. Schmutz, and S. J. Tubbs "I3 Sensor Wavefront Performance", Proc. SPIE 0190, Los Alamos Conference on Optics 1979, (13 November 1980); https://doi.org/10.1117/12.957729
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KEYWORDS
Sensors
Wavefronts
Shearing interferometers
Sensor performance
Interference (communication)
Wavefront sensors
Signal detection
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