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9 July 1998 New developments in integral field spectroscopy
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The field of integral field spectroscopy is approaching maturity with a large range of devices built or under construction. The integral field unit (IFU) of the GEMINI Multiobject Spectrographs (GMOS) is currently being developed by the Durham Astronomical Instrumentation Group (AIG). This gives 0.2 arcsec sampling over a field exceeding 60 square arcseconds. A prototype has been built for the near-infrared which is now in operation at UKIRT and another instrument using fiber-lenslet technology is under construction for use with Adaptive Optics systems at the Herschel telescope in La Palma. The next generation of integral field spectrographs will address yet more ambitious targets which arise from opportunities presented by the new ground-based and space- borne telescopes. Foremost among these is the desire to (1) obtain finer spatial resolution so as to exploit the excellent images available from AO and space telescopes; (2) exploit the thermal infrared, in order to understand the evolution of galaxies at very high redshift; and (3) to provide a multiplexed integral field capability. Realization of these requirements will, most likely, involve a combination of fiber-lenslet and image-slicer technology.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jeremy R. Allington-Smith, Robert Content, and Roger Haynes "New developments in integral field spectroscopy", Proc. SPIE 3355, Optical Astronomical Instrumentation, (9 July 1998);


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