Characterising and tackling thermally induced zero-drift in displacement measuring interferometry using temperature-controlled enclosure
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arXiv
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| Format: | Preprint |
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2024
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| author | Rerucha, Simon Hola, Miroslava Cip, Ondrej Lazar, Josef Oulehla, Jindrich Mikel, Bretislav |
| author_facet | Rerucha, Simon Hola, Miroslava Cip, Ondrej Lazar, Josef Oulehla, Jindrich Mikel, Bretislav |
| contents | Our research efforts in displacement measurement interferometry focused on long-term drifts initiated an extended experimental investigation in the interferometric assemblies of our design. We aimed to analyze, characterize and tackle the long-term measurement stability, expressed as the zero-drift, with particular attention to the thermal effects. For the experimentation, we developed a thermostatic chamber equipped with active temperature regulation, an array of sensors and control electronics. With either the finely stabilized temperature or with the thermal cycling, we can carry out a range of investigations: verification of modified design or prototype interferometers, testing of production pieces, characterization of integrated assemblies and units in terms of the zero drift and the susceptibility to thermal effects -- the temperature sensitivity ($δL / δT$, expressed in nm.K$^{-1}$). With these experimental studies, we demonstrate the potential of the zero drift studies to contribute to the development and broader expansion of interferometric instrumentation. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_06184 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Characterising and tackling thermally induced zero-drift in displacement measuring interferometry using temperature-controlled enclosure Rerucha, Simon Hola, Miroslava Cip, Ondrej Lazar, Josef Oulehla, Jindrich Mikel, Bretislav Instrumentation and Detectors Optics Our research efforts in displacement measurement interferometry focused on long-term drifts initiated an extended experimental investigation in the interferometric assemblies of our design. We aimed to analyze, characterize and tackle the long-term measurement stability, expressed as the zero-drift, with particular attention to the thermal effects. For the experimentation, we developed a thermostatic chamber equipped with active temperature regulation, an array of sensors and control electronics. With either the finely stabilized temperature or with the thermal cycling, we can carry out a range of investigations: verification of modified design or prototype interferometers, testing of production pieces, characterization of integrated assemblies and units in terms of the zero drift and the susceptibility to thermal effects -- the temperature sensitivity ($δL / δT$, expressed in nm.K$^{-1}$). With these experimental studies, we demonstrate the potential of the zero drift studies to contribute to the development and broader expansion of interferometric instrumentation. |
| title | Characterising and tackling thermally induced zero-drift in displacement measuring interferometry using temperature-controlled enclosure |
| topic | Instrumentation and Detectors Optics |
| url | https://arxiv.org/abs/2404.06184 |