PHASED ARRAY IMAGING TELESCOPE

Award Information
Agency:
Department of Defense
Branch
Air Force
Amount:
$47,600.00
Award Year:
1989
Program:
SBIR
Phase:
Phase I
Contract:
n/a
Award Id:
9868
Agency Tracking Number:
9868
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
10111 Bluff Dr, Huntsville, AL, 35803
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Dr Dietrich Korsch
(205) 881-1166
Business Contact:
() -
Research Institution:
n/a
Abstract
OPTICAL DESIGNS OF TWO CONCEPTS FOR WIDE FIELD, HIGH RESOLUTION PHASED ARRAY IMAGING TELESCOPES WILL BE DEVELOPED AND ANALYZED. THE RESULTS WILL THEN BE COMPARED TO FIND THE SUPERIOR CONCEPT. THE FIRST CONCEPT RESEMBLES CLOSELY THE SYSTEMS PROPOSED IN THE PAST FOR ASTRONOMICAL SPACE TELESCOPES. IT CONSISTS OF AN ARRAY OF AFOCAL SUBTELESCOPES WHOSE EXISTING BEAMS ARE OPTICALLY COMBINED TO FORM A UNITED IMAGE WITH A THEORETICAL RESOLUTION APPROACHING THE DIFFRACTION LIMIT OF AN APETURE DIAMETER THAT IS EQUAL TO THE LONGEST DISTANCE BETWEEN THE TELESCOPES. IN DIFFERENCE TO THE PREVIOUS SYSTEMS THE NEW SYSTEM MUST OPERATE OVER A WIDE FIELD OF VIEW WHICH ADDS A SIGNIFICANT DEGREE OF COMPLEXITY TO THE DESIGN OF BOTH, THE SUBTELESCOPES AND THE COMBINING TELESCOPE. THE DEVELOPMENT OF SUITABLE TELESCOPE DESIGNS WILL, THEREFORE, BE THE MOST IMPORTANT PART OF THE PROPOSED EFFORT. THE SECOND IDEA IS BASED UPON THE CONCEPT OF A LARGE TELESCOPE WITH A PARTIALLY FILLED APERTURE. THE FACT THAT ALL OPTICAL COMPONENTS ARE COAXIAL SIMPLIFIES THE CONCEPT, AND GREATLY INCREASES THE CORRECTIBILITY. DIFFICULTIES ARE EXPECTED IN THE AREAS OF ALIGNMENT AND SURFACE GENERATION.

* information listed above is at the time of submission.

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