Achieving a wide field near infrared camera for the Calar Alto 3.5m telescope

Details Achieving a wide field near infrared camera for the Calar Alto 3.5m telescope Achieving a wide field near infrared camera for the Calar Alto 3.5m telescope

2000-03-06

arxiv.org/abs/astro-ph/0003072v1

Astronomy and Astrophysics

Astrophysics

To appear in the SPIE proceedings of ``Optical and IR Telescope Instrumentation and Detectors'', Munich, March 2000

Scientific paper

The ongoing development of large infrared array detectors has enabled wide field, deep surveys to be undertaken. There are, however, a number of challenges in building an infrared instrument which has both excellent optical quality and high sensitivity over a wide field. We discuss these problems in the context of building a wide field imaging camera for the 3.5m telescope at Calar Alto with the new 2K*2K HgCdTe HAWAII-2 focal plane array. Our final design is a prime focus camera with a 15' field-of-view, called Omega 2000. To achieve excellent optical quality over the whole field, we have had to dispense with the reimaging optics and cold Lyot stop. We show that creative baffling schemes, including the use of undersized baffles, can compensate for the lost K band sensitivity. A moving baffle will be employed in Omega 2000 to allow full transmission in the non-thermal J and H bands.

Affiliated with

Also associated with

No associations

Rating

Achieving a wide field near infrared camera for the Calar Alto 3.5m telescope does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Achieving a wide field near infrared camera for the Calar Alto 3.5m telescope, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Achieving a wide field near infrared camera for the Calar Alto 3.5m telescope will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-346296