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- W2099841289 abstract "We use numerical calculations to examine the relation between adaptive optics (AO) turbulence compensation and power coupled through a spectrometer slit for both laser and natural guide-star AO systems. The AO system and observing parameters used are relevant to the Gemini-North 8-m telescope. For this study, we separate residual tilt from residual higher-order aberrations to isolate their relative effects under a variety of operating conditions. Our results demonstrate that slit-coupled intensity is not uniquely determined by system Strehl alone; we show that this is due to the differing effects of higher-order and tilt aberrations on the shape of the compensated point-spread function. For the Gemini spectrometer and AO system, the wider point-spread function halo associated with an added residual higher-order aberration reduces slit-coupled intensity more rapidly than a broad point-spread function core induced by residual tilt." @default.
- W2099841289 created "2016-06-24" @default.
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- W2099841289 date "1998-07-20" @default.
- W2099841289 modified "2023-09-27" @default.
- W2099841289 title "Spectrometer slit-power-coupling calculations for natural and laser guide-star adaptive optics" @default.
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- W2099841289 doi "https://doi.org/10.1364/ao.37.004569" @default.
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