Layout proposal for the IR channel of the LEST bi-dimensional FPI filter.
Abstract
A first order layout of the IR channel of the FPI filter based on two etalons and a prefilter in telecentric mounting is presented. The layout consists of two parts: The first (pre-etalon) part relays the LEST focus telecentrically with the wanted magnification to a focus situated between the two closely separated etalons. The second (post-etalon) part relays this focus telecentrically with fixed demagnification to a focus close to the prefilter and matches the etalon diameter to the prefilter diameter. From here the focus is relayed to the IR array with a demagnification matched to the array size.
- Publication:
-
LEST Foundation, Technical Report
- Pub Date:
- 1995
- Bibcode:
- 1995LFTR...62.....O
- Keywords:
-
- Infrared Radiation: Filters