Optical Properties of Synthetic Cannabinoids with Negative Indexes

TL;DR

This paper investigates the optical properties of synthetic cannabinoids and related compounds using a tight-binding model, revealing negative refraction phenomena that can aid forensic identification.

Contribution

It introduces a theoretical approach to calculate permittivity and permeability of synthetic cannabinoids, demonstrating potential for non-destructive forensic detection.

Findings

Synthetic cannabinoids exhibit negative permittivity and permeability.

Negative refraction can distinguish synthetic cannabinoids from other drugs.

The method applies to compounds like zolpidem and caffeine.

Abstract

Some kinds of psychoactive drugs have the structures which are called split-ring resonators (SRRs). SRRs might result in negative permittivity and permeability simultaneously in electromagnetic field. Simultaneous negative indexes can lead to the famous phenomenon of negative refraction. This optical property makes it possible to distinguish synthetic cannabinoids from other abusive psychoactive drugs in the UV-vis region. This optical method is non-damaged and superior in forensic science. In this paper, we use tight-binding model calculating the permittivity and permeability of the main ingredients of synthetic cannabinoids. At the same time, we give two more results of zolpidem and caffeine. Further we discuss the negative refraction of the category of zepam qualitatively.