The correct location of the optical centre of corner reflectors

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00177016%3A_____%2F23%3AN0000007" target="_blank" >RIV/00177016:_____/23:N0000007 - isvavai.cz</a>
Result on the web
<a href="https://www.sciencedirect.com/science/article/abs/pii/S0030402623004606" target="_blank" >https://www.sciencedirect.com/science/article/abs/pii/S0030402623004606</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.ijleo.2023.170964" target="_blank" >10.1016/j.ijleo.2023.170964</a>

Result language
angličtina
Original language name
The correct location of the optical centre of corner reflectors
Original language description
I reiterate the derivation of the optical centre position of corner reflectors given by Peck (1948). However, my derivation in the paper uses the absolute optical path lengths instead of the relative optical path lengths presented by Peck. I also show that the optical centre of the corner-cube retroreflector depends on the refractive index of the surrounding medium, and thus the surrounding medium affects its position by more than 3 μm for a typical solid glass retroreflector. The effect of the surrounding medium that is acting by means of the relative index of refraction was later reinterpreted as the absolute index of refraction, and therefore lost in the calculations. The error from such a reinterpretation exceeds the optical centre adjustment error, which is typically realized to be as low as 1 μm. In the future, the correction of such an offset in the optical centre position can improve the precision of interferometric measurements, especially those of absolute gravimeters. The corresponding effect on the measurement of gravitational acceleration can be in tenths of μGal.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10306 - Optics (including laser optics and quantum optics)

Project
<a href="/en/project/LTT19008" target="_blank" >LTT19008: Research related with International Gravity Reference System</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2023
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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