Laser Ablated Nanocrystalline Diamond Membrane for Infrared Applications

Maxim S. Komlenok, Margarita A. Dezhkina, Vadim S. Sedov, Oleg A. Klimenko, Sergey A. Dyakov, Nikolay A. Gippius

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


We are reporting on laser microstructuring of thin nanocrystalline diamond membranes, for the first time. To demonstrate the possibility of microstructuring, we fabricated a diamond membrane, of 9 µm thickness, with a two-dimensional periodic array of closely located chiral elements. We describe the fabrication technique and present the results of the measurements of the infrared transmission spectra of the fabricated membrane. We theoretically studied the reflection, transmission, and absorption spectra of a model structure that approximates the fabricated chiral metamembrane. We show that the metamembrane supports quasiguided modes, which appear in the optical spectra due to grating-assisted diffraction of the guided modes to the far field. Due to the C4 symmetry of this structure, it demonstrates circular dichroism in transmission. The developed technique can find applications in infrared photonics since diamond is transparent at wavelengths >6 µm and has record values of hardness. It paves the way for creation of new-generation infrared filters for circular polarization.

Original languageEnglish
Article number829
Issue number3
Publication statusPublished - 1 Feb 2022


  • Circular polarization
  • Direct laser-writing
  • Nanocrystalline diamond
  • Photonic crystal slab
  • Quasiguided modes


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