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Yilmaz, Ozgur; Selimoglu, Ozgur; Turk, Fethi
{
"DOI": "10.1117/12.2024506",
"abstract": "Development of an imaging telescope having a large mirror generally requires a sound infrastructure including expensive devices such as collimators and interferometers. In this paper we investigate the development and characterization of a medium size telescope (140 mm aperture) using simple techniques. Alignment was done with a mechanical measurement device. Detector was placed using an image of a ruled outside building. Radiometric calibration was done with open-sky images. And finally MTF was measured using stellar images. We found that MTF of our telescope is greater than %15 all along the detector at 20 lp/mm, which is the Nyquist frequency of 25 mu m pixel size. This shows that alignment and focus adjustments work well enough in the telescope. These simple techniques can be used for the development and characterization of a medium-size and medium-resolution imaging telescopes.",
"author": [
{
"family": "Yilmaz",
"given": " Ozgur"
},
{
"family": "Selimoglu",
"given": " Ozgur"
},
{
"family": "Turk",
"given": " Fethi"
}
],
"id": "91471",
"issued": {
"date-parts": [
[
2013,
1,
1
]
]
},
"title": "Development of a medium size SWIR imaging telescope: integration, calibration and MTF measurement",
"type": "paper-conference"
}
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