Zemax file for ir echelle spectrograph
Both channels are equipped with slit-viewing cameras for object acquisition and control of a fast guiding tip-tilt mirror located in a pupil image in the spectrograph fore optics. It is essential to carry out continuous measurement of planetary atmosphere, such as the Jovian infrared aurora and the volcanoes on Jovian satellite Io, to understand its. (D) and the layout of the High Resolution Echelle Spectrograph (HIRES) on the Keck telescope. We report the development of infrared Echelle spectrograph covering 1 - 4 micron and mid-infrared heterodyne spectrometer around 10 micron installed on the 60-cm telescope at the summit of Haleakala, Hawaii (alt.3000m). The infrared detector is a 2048 x 2048 hgCdTe array (HAWAII-2) that has been developed by Rockwell Science Center for this project. generally apply from the ultraviolet to the infrared). The visible arm of the spectrograph uses deep-depletion CCDs optimized for operation near 1.0 urn. Both channels use a white- pupil collimator design to maximize grating efficiency and to limit the size of the camera optics. It employs diamond-machined metal optics and state-of-the-art IR array detectors for high throughput, together with powerful user-friendly. IRCS has been designed to deliver diffraction limited images from 25m, as well as providing spectroscopy with grisms and a cross-dispersed echelle.
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This instrument is a large, facility-class vacuum-cryogenic spectrometer with a resolving power of R equals 25,000 for a 0.4 inch slit. Introduction The Infrared Camera and Spectrograph (IRCS) can be installed at the Infrared Nasmyth focus of Subaru Telescope and incorporates two 1024 2 ALADDIN III arrays which are sensitive from 0.95.6m. The spectrograph features an optical arm for the wavelength range 0.5-1.0 urn and an infrared arm for the range 1.0 - 2.5 microns We review the spectrograph design and present commissioning results obtained with both the visible and infrared arms. The design and development of NIRSPEC, a near-IR echelle spectrograph for the Keck II 10-meter telescope is described.
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The Institute for Astronomy has developed and recently installed a high-resolution cross-dispersed echelle spectrograph for use at one of the coude foci of the AEOS 3.7-meter telescope, operated by the Air Force Space Command atop Mt.