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Telescope Tip-Tilt Secondary Mirror
The tip-tilt secondary mirror on the ANU 2.3 m telescope · Measures and adjusts image position at 30 Hz · Corrects image blur produced by turbulence in the Earth's atmosphere · Both the tip-tilt secondary mirror and the 2.3 m telescope were designed and constructed by RSAA

Design and Construction Capabilities
RSAA regularly designs and constructs scientific instruments that integrate precision mechanical, optical, and cryogenic systems with electronic control systems and low noise optical CCD and near-infrared detector systems. Specific design and construction capabilities include: · Design and manufacture of specialized optics · Aluminium mirror coatings up to 1.9 m diameter · Spectrograph design and manufacture · CNC milling from CAD drawings · Clean room facilities · CCD and NIR detector systems · Mechanism control systems · Design of surface mount multi-layer circuit boards · System level support for Unix/Solaris platforms · Programming in C, C++, Fortran, Java, Perl, Tcl

Research School of Astronomy and Astrophysics

The Australian National University

Associates
· · · · · Anglo-Australian Observatory Prime Optics Auspace Ltd LFM, University of Bremen GL Scientific

Leading Instrumentation for Australian Astronomy

For further information contact: Research School of Astronomy and Astrophysics, The Australian National University Cotter Road, Weston, ACT 2611 Phone: +61 2 6125 0266 FAX:+61 2 6125 0233 www.mso.anu.edu.au
The ANU 2.3m telescope with tip-tilt image correction


RSAA has extensive experience in the design, construction, and integration of astronomical instrumentation for its telescopes at Siding Spring Observatory and for Australia's largest astronomical optical/infrared telescopes, the Gemini 8m telescopes in Hawaii and Chile.

Wide Field Imager ( WFI)
· 8192x8192 pixel CCD mosaic camera · One of the largest electronic cameras in existence · Used on the ANU 40 inch telescope and the 4 m Anglo-Australian Telescope · Built in collaboration with the Anglo-Australian Observatory, The University of Melbourne, and Auspace Ltd

Antarctic G-Mount/ADIMM
· An automated telescope and mount that operates in the extreme cold of the Antarctic · Built for both site testing and science observation · The ADIMM uses bright stars to measure image quality

Near-infrared Integral Field Spectrograph (NIFS)
· Australia's first instrument for the Gemini 8m telescopes · Used with the ALTAIR adaptive optics system on Gemini North in Hawaii · Performs near-infrared imaging spectroscopy at spatial resolutions similar to those obtained with the Hubble Space Telescope Key technologies ­ Complex cryogenic optical system ­ Monolithic single-point diamond-machined metal mirrors ­ State-of-the-art 2048x2048 pixel near-infrared detector system

The G-Mount/ADIMM deployed at the South Pole

Cryogenic Array Spectrograph/ Imager (CASPIR)
· A fully cryogenic near-infrared instrument · Used at the Cassegrain focus of the ANU 2.3 m telescope · Wavelength range of 1 ­ 5 microns Key technologies ­CaF2, MgO, and sapphire optics

The WFI dewar and instrument package

The NIFS cryostat

The WFI CCD mosaic

CASPIR observation of the comet SL9 impact on Jupiter