AI Article Synopsis
- A new method is introduced to improve the visibility of interference signals when measuring low reflective materials, which typically have issues with scattering and low reflectivity.
- By using an injection-locking technique to amplify the weak light from samples, significant enhancement in visibility can be achieved.
- The method was tested successfully, achieving visibility comparable to that of a metal-coated mirror, making it suitable for a wide range of low-reflectivity material measurements.
Article Abstract
We propose and demonstrate a novel method to enhance the visibility of an optical interferometer when measuring low reflective materials. Because of scattering from a rough surface or its own low reflectivity, the visibility of the obtained interference signal is seriously deteriorated. By amplifying the weak light coming from the sample based on an injection-locking technique, the visibility can be enhanced. As a feasibility test, even with a sample having a reflectivity of 0.6%, we obtained almost the same visibility as a metal coated mirror. The suggested visibility enhanced interferometer can be widely used for measuring low reflective materials.
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| http://dx.doi.org/10.1364/OE.18.023517 | DOI Listing |
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