PARSEC
-
the laser for the VLT

Adaptive Optics (AO) performance estimates with the Laser Guide Star
and measured AO performance with Natural Guide Stars

Expected Laser Guide Star
Performance with:
NACO [1]
(high resolution plot)
SINFONI [3]
Caption: Strehl and PSF core FWHM vs. tilt guide star distance for 0.65" Seeing and tilt guide star brightnesses of V=12mag, V=14mag, and V=16mag.

Measured Natural Guide Star
Performance with:
NACO [2]
(high resolution plot)
SINFONI [3]
Caption: Strehl vs. guide star magnitude in K-band for 0.65" Seeing and 1" Seeing.

References

[1] M. Kasper et al., SPIE 5490, pp. 1071-1078 (2004)
[2] G. Rousset et al., SPIE 4839, pp. 140-149 (2003)
[3] H. Bonnet et al., SPIE 4839, pp. 329-343 (2003)





last update: 27 February 2007
editor of this page: Stefan Hippler