Abstract
IRIS2 is a near-infrared imager and spectrograph based on a HAWAII1 HgCdTe detector. It provides wide-field (7.7'×7.7') imaging capabilities at 0.4486''/pixel sampling, long-slit spectroscopy at λ/Δλ≈2400 in each of the J, H and K passbands, and the ability to do multi-object spectroscopy in up to three masks. These multi-slit masks are laser cut, and have been manufactured for both traditional multiple slit work (≈20-40 objects in a 3'×7.4' field-of-view), multiple slit work in narrow-band filters (≈100 objects in a 5'×7.4' field-of-view), and micro-hole spectroscopy in narrow-band filters allowing the observation of ≈200 objects in a 5'×7.4' field.
| Original language | English |
|---|---|
| Pages (from-to) | 998-1009 |
| Number of pages | 12 |
| Journal | Proceedings of SPIE - The International Society for Optical Engineering |
| Volume | 5492 |
| Issue number | PART 2 |
| DOIs | |
| Publication status | Published - 2004 |
Keywords
- Infrared: General
- Instrumentation: Spectrographs
- Techniques: Image processing
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