| Issue |
Eur. Phys. J. Appl. Phys.
Volume 92, Number 2, November 2020
|
|
|---|---|---|
| Article Number | 20501 | |
| Number of page(s) | 5 | |
| Section | Photonics | |
| DOI | https://doi.org/10.1051/epjap/2020200237 | |
| Published online | 30 October 2020 | |
https://doi.org/10.1051/epjap/2020200237
Regular Article
Superlensing property of 2-D glass photonic crystal
1
Department of Applied Optics & Photonics, University of Calcutta, JD-2, Sector-III, Salt Lake, Kolkata 700 106, India
2
Department of Electronics & Communication Engineering, Institute of Engineering & Management, Salt Lake, Kolkata 700091, India
* e-mail: rcaop@caluniv.ac.in
Received:
18
July
2020
Received in final form:
11
September
2020
Accepted:
28
September
2020
Published online: 30 October 2020
A two dimensional square lattice photonic crystal (PhC) formed by placing glass matrix in air is proposed for subwavelength imaging around 840 nm. The superlensing behavior at relatively lower wavelength compared to other reported PhC superlens is obtained by this configuration. Other advantages of using glass is that they have lower optical absorption at this wavelength and is relatively cheap. By placing the proposed PhC arrangement between the object and the objective of a conventional optical microscope, superlensing effect can be realized. Moreover, any change in radius of glass rod during fabrication process can result in the shift of superlensing wavelength.
© EDP Sciences, 2020
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