Four-Mirror Plane Objectives with Intermediate Image
The paper considers lenses with an intermediate image consisting of four mirrors. Two mirrors can be united in a mono-block (double mirror) and have central apertures for light beam passing. Calculation of design factors is given and the problem of image plane protection from stray light has been in...
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| Main Author: | |
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| Format: | Article |
| Language: | Russian |
| Published: |
Belarusian National Technical University
2005-08-01
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| Series: | Наука и техника |
| Online Access: | https://sat.bntu.by/jour/article/view/1365 |
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| Summary: | The paper considers lenses with an intermediate image consisting of four mirrors. Two mirrors can be united in a mono-block (double mirror) and have central apertures for light beam passing. Calculation of design factors is given and the problem of image plane protection from stray light has been investigated. Such objectives can be applied in space astronomy, photometric and optical devices operating in UV and IR spectral ranges. |
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| ISSN: | 2227-1031 2414-0392 |