In this thesis, different optomechanical design and adhesive configurations for
mounting mirrors and prisms used in a laser system are investigated. Maintaining
stability and strength of optical components of a laser device is difficult especially if
the system is to be used in military environment.
In order to determine the strength of prism mounts to high acceleration levels,
mathematical correlations derived by Yoder are used. By use of these mathematical
correlations, safety factor of different prism mounts and adhesive configurations are
calculated for an acceleration level of 40g.
So as to decide most stable mirror mount and adhesive configuration, several
experiments are conducted. For the experiments, 5 different optomechanical mounts
are designed. Then, 25 mirrors are bonded to the designed mounts with 5 different
adhesives. These experiments are done to simulate harsh military environmental
conditions such as thermal shock, mechanical vibration and mechanical shock.
In the experiments, angular movement of mirrors due to adhesive cure, thermal
shock, mechanical vibration and mechanical shock are monitored. Thermal shock is
applied between -40º / C and 70º / C with a temperature change of 22º / C/min. On the
v
other hand, mechanical vibration of 14 grms and mechanical shock of 40g for 6 ms is
applied in the experiments.
Shortly, this study is done for determination of the most stable mirror and prism
mount design and adhesive combination of a laser system subjected to extremely
harsh environments.
| Identifer | oai:union.ndltd.org:METU/oai:etd.lib.metu.edu.tr:http://etd.lib.metu.edu.tr/upload/12614161/index.pdf |
| Date | 01 March 2012 |
| Creators | Unal, Ugur |
| Contributors | Balkan, Tuna |
| Publisher | METU |
| Source Sets | Middle East Technical Univ. |
| Language | English |
| Detected Language | English |
| Type | M.S. Thesis |
| Format | text/pdf |
| Rights | Access forbidden for 1 year |
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